The crushed version is slightly larger and chunkier than decomposed granite and tends to be pricier, but overall they are both affordable options. Crushed granite is often used as an alternative to mulch; as a liner for drainage areas; or for walkways, driveways, and patios. By understanding each of their key characteristics and costs, homeowners can choose the best option for their landscaping needs. Prefabricated pavers typically cost less than those made of natural stone. After 20,000 sq. Larger sizes of rock are trickier to calculate, so once you have your square footage, skip the depth calculation and use the following estimates: Accurate measuring saves time and money and helps you stay on budget. Mexican beach pebbles cost $475 to $800 per ton. There is a tremendous variety of landscaping rocks at multiple price points. Get free estimates TABLE OF CONTENTS Gravel Prices Gravel Cost Calculator Per Ton Per Yard Per Square Foot Gravel Delivery Cost Depending on the size of your project, you can purchase a few gallon bags at your local hardware store. The price of Mexican beach pebbles ranges between $800 to $900 per ton or $550 to $650 per cubic yard on average. ft. per ton: 4" strip stone coverage: 55 sq. Installing rocks and stones as part of landscape design helps improve drainage, offers a versatile and durable option to ground cover, keeps pests away, and is low maintenance throughout the year. setTimeout(mainfunc_596,800); jQuery(document).ready(function() { jQuery("#rt-tabbed-80").easyResponsiveTabs({ type: "default", width: "100%", fit: false}); var cont_width = jQuery("#rt-tabbed-80.resp-vtabs").outerWidth() - jQuery("#rt-tabbed-80.resp-vtabs .resp-tabs-list").outerWidth() - 3;jQuery("#rt-tabbed-80.resp-vtabs .resp-tabs-container").css({"width":cont_width});}); What does Bermuda Sod cost? Consider adding pea gravel, gravel, or river rocks around the perimeters of the stepping stones. River rocks are priced per ton to make it easier for homeowners to determine the cost of large-scale landscaping projects. Less decorative than other stones and more uniform in color, riprap is an interlocking system of angular, cobbled stones that landscapers use for various purposes such as retaining walls, fire pits, stone fences, and waterfall features. Coming in at. Youll find riprap prices at $35 to $250 per ton. If so, then you can calculate this using the mathematical formula: $$Price\,Per\,Unit\,Mass = {Total\,Cost\,of\,River\,Rock \over Weight\,of\,River\,Rock}$$, $$Price\,Per\,Unit\,Volume = {Total\,Cost\,of\,River\,Rock \over Volume\,of\,River\,Rock}$$. These often flat rocks for landscaping are particularly beneficial since they help prevent erosion and provide structural support. custom material to a depth of 8 inches. The average cost per ton for river rocks is $170, but that can change depending on which subtype you choose. The time to complete a rock landscaping project will depend on the size of the property, scope of the project, and even weather conditions. To calculate how many landscaping rocks you need in cubic yards, measure the area and multiply by the desired coverage in feet. In this article As its name suggests, pea gravel is broken-up river rock that is the size of a pea. With such a wide variety of landscape rock types, colors, and styles, it can get confusing and overwhelming. Unless you have a truck or trailer equipped to carry heavy loads, the price of delivering your material in large quantities will range from$200 to $800 per day. . Homeowners can enjoy many benefits when installing landscaping rocks, including pest resistance, improved drainage, and a versatile and low-maintenance outdoor area. How much does Zoysia Sod cost? Polished river stone costs more, and prices can range depending on the color and patterns of the rock. Daily rental of specialty equipment for maximum quality and efficiency. Convert the inches into feet by dividing 2 by 12 to get 0.167. 1/4 rock size covers approximately 120 square feet RIP RAP COVERAGE PER TON: . Landscaping costs; . Homeowners will want to keep in mind that large boulders, Mexican beach pebble, and polished river rocks are on the higher end of the price spectrum, while pea gravel and crushed rock are on the lower end. A cost of $25 to $75 per cubic yard of ungrouted riprap can be used as a basic quote, while grouted riprap ranges from $45 to $60 per square yard. Besides enhancing the curb appeal of a property and allowing a homeowner to save money on lawn care, landscaping rocks or river stones provide many benefits. Only $11.43 Per SF When You Purchase Large Boxes! However, when it comes to more involved projects, such as building a retaining wall or water feature, then its often better to hire a professional to get the job done correctly and safely. Many landscapers and homeowners choose river rock for their outdoor spaces for its variety of colors and smooth shape. The bed size, or the amount of rock needed, will influence the total cost of the project. A well-placed granite boulder is a great way to make a statement and increase curb appeal. While you can pay for rock per square foot, it is not uncommon to purchase by the ton. I would then enter the above measurements into the online calculator to work out the volume, weight and total cost: $$Volume = Area \times Depth = 20\,ft^2 2\,yds = 120\,ft^3$$, $$Weight = Density\,of\,Aggregate Volume = 70\,lb/ft^3 120\,ft^3 = 4.2\,t$$, $$Cost = Price\,Per\,Unit\,Mass Weight = 70\,$/t 4.2\,t = $294$$. Keep depth in mind if youre using river rock for water drainage or to level hilly areas. On average, you can expect a delivery charge of. River rock comes from various locations, so many options exist. Multiply these three numbers (length, width, and depth) to get the number of cubic feet. Consider a cubic foot bag of stone or soil weighs about 50 lbs and will cover 2 square feet at 3 deep. Riprap comes in sizes ranging from 6 to 30 inches in diameter and various shapes and textures since it can be trap rock, limestone, granite, and other types of stone. A dump truckload of fill dirt costs between $150 and $400, including delivery. Most companies will charge between$120 and $150 per hour. In the article, you will learn how to calculate river rock volume and its corresponding weight using the densities of different river rocks. Crushed stone, rock, or shells cost in the range of $50 to $70 per ton and $40 to $50 per cubic yard. Average cost of Lawn Mowing Service The type of rock or stone chosen will dictate the ultimate cost of the project. The river rock calculator is helpful in determining the average price of river rock in your area before deciding on a type and finish. The labor required to transport, deliver, and install the rocks or stones needs to be considered when assessing the budget. Then divide the sum by 27 to get the total amount in cubic yards. Prices are $35 to $100 per ton for small riprap (6 inches to 2 feet) and $50 to $250 per ton for larger options (2 feet or more). Quartz, Arizona river rock, and Niagara-sourced river rock are only a few of the wide varieties to choose from. The average cost for a truckload of river rock is $450 per ton. If the homeowner is budgeting for landscape design cost, their designer can help them estimate the amount of rocks theyll need. For smaller projects, you can usually do the work yourself. Simply enter your zip code and the square footage, next click update and you will see a breakdown on what it should cost to have Landscape River Rocks installed onto your home. Labor cost, under typical conditions, for complete installation. Ideal for small patios and walkways, crushed pea gravel is softer than other landscaping rocks and is priced at $25 to $53 per ton. There's a top-rated local company that can help. Also, add an extra 10% to your cubic yards and tons calculations to account for any materials that spill out in transportation. The volume of a cylinder = (radius x radius) x 3.14 x height in feet. Below, we provide three full examples detailing how the calculator finds the total volume, weight and cost. The cost of landscaping rocks typically ranges from $460 to $1,000, with homeowners paying a national average of $650. Larger rocks, like decorative boulders, will involve additional fees as they often require special attention and equipment at the time of delivery and installation. How Much Are River Rocks and Landscaping Stones? The rock costs $60 per US short ton. Get free estimates TABLE OF CONTENTS Landscaping rock prices Average river rock prices Cost calculator An entire ton of river rocks covers between 50 and 75 square feet. Landscape Riverstone cost If you need a larger team to install the river rock, be prepared to pay an extra $50 to $100 per person. RemodelingExpense had pretty darn accurate cost calculators that helped us budget our projects, all relevant to our zipcode and contractors near me. The total price for labor and materials per ton is $244.44, coming in between $203.05 to $285.82. Regardless of the size you choose, you will need to calculate the square footage of the area you wish covered with river rock and convert that to cubic yards. Installation and Landscape professionals work with these types of measurements all the time, so it is best for homeowners to rely on their calculations. This gravel may bring back memories of childhood playgrounds. Average cost of Lawn Replacement These suppliers may offer you a truckload of river rocks for larger projects, depending on their availability. Deciding whether to DIY your project or turn to a pro usually comes down to whether you have the tools, equipment, and experience to complete the task. River rock will be distributed and leveled to uniform depth and consistent appearance. How much will your project cost? Before we proceed to the calculation of the volume and weight of your river rock, let us first explore some of the different river rocks we can choose from. Crushed Granite cost How much does a Sprinkler System cost? This type of landscaping rock adds curb appeal and warmth to any landscaping project, and an accurate river rock estimate will help your project stay on budget. Typically, rounder rocks tend to cost more than irregularly-shaped rocks. Hardscape vendors calculate river rock usage the same way as gravelby the cubic yard when the size is up to three inches, and by the ton at sizes over three inches. On average, the national materials cost to install river rock is, Another way to determine how much river rock costs is by the square foot. Additionally, you will usually pay less per unit as the quantity increases. Can I see photos and references from your past landscaping projects? What the average Landscape Timber price? For landscaping stone, its important to get it right since multiple deliveries and trips back and forth to your vendor are costly and time-consuming. Available in a wide range of colors, sizes, weights, and textures, rocks and stones are an excellent way to boost the curb appeal of a yard. Before you start any outdoor landscaping project, having an idea of how much material you will need is vital. How do you calculate river rock volume and weight? We can start with decorative pavers that are priced at $18 per square foot. River rocks are often used for a water feature, such as a waterfall or pond. Your actual price will depend on your location, job size, conditions and finish options you choose. Small landscaping projects cost $300 to $800 while large jobs cost $2,000 to $4,000 on average. Plus, there is no need for a homeowner to worry about planting new seeds, flowers, and plants every season or investing in mulch. Divide that by 27, and youll have 0.63 cubic yards. River rock measuring 6 inches and over will cover roughly 25 square feet per ton. . The national average materials cost to install river rock is $148.78 per ton, with a range between $141.51 to $156.05. This is a red or black, porous rock material that takes up space without the weight of other rocks, and youll get more per ton than you would with a denser, heavier rock choice. Homeowners can expect to pay $50 to $65 per ton, although buying in bulk can save money. feet, you can start saving money per square foot of roof. Building a landscape with river rocks and landscaping stones is an aesthetically-pleasing and cost-effective choice for a wide variety of projects, includingstone and gravel driveways,patios and walkways, andretaining walls. Once you have entered the length, width and depth of the rock, the calculator will first work out the area in square feet: In addition, if you know the density of the river rock, it can calculate the total weight: $$Weight = Density\,of\,River\,Rock Volume$$. What types of landscape stone are available? . Cubic Feet. River rocks cost about $100-$280 per ton. A creative designer can use them to make mosaics or a labyrinth. If the crew providing the rocks is installing the project, theyll probably include delivery fees with installation fees. Play around with the calculator to explore which variables you can work out by filling in your known fields and leaving a particular variable empty. On average, expect it to take two hours to place 1 ton of stone, for a total cost of$100 to $150for labor (not including delivery). Landscaping with river rock costs $100 to $800 per ton depending on the finish and style of the material. Decomposed granite breaks down and provides nutrients and minerals to the soil. Crushed granite can be $3 per square foot on the high side. Get Estimates Now Cost data is based on research by HomeAdvisor. $15 - $75 cost per yard $1 - $3 cost per square foot Get free estimates for your project or view our cost guide below: Get free estimates Looking to find work instead? They can also be used for pathways, flower beds, and planters and as an alternative to mulch around trees and near fences. The rocks can easily be washed with a hose as needed. River rock comes in many sizes and is used for walkways, driveways, and borders. For larger projects, on the other hand, youll need some heavy-lifting machinery to complete the project. Homeowners will want to keep in mind that there may be extra fees for disposal. Not only is this unappealing and problematic, but it can also attract mosquitoes. On average, the national materials cost to install river rock is $148.78 per ton. Written by Fixr.com. I want to calculate the volume, weight and cost of this landscaping project. Some of the most common landscaping stones include pea gravel, decomposed granite, and crushed stone, rocks, and shells: The price of pea gravel ranges from $30 to $60 per ton on average or $20 to $40 per cubic yard. Pea gravel comes in a variety of colors to match any landscaping theme and can be found easily in nurseries and garden stores. If the crew providing the rocks is installing the project, theyll probably include delivery fees with installation fees. Updated July 12, 2022 Written by HomeAdvisor. Filling a square lot that measures 1 yard on both sides with river rock costs around $4-$7 per inch thickness. Therefore, there will be fewer large rocks than small rocks for the same price. There may also be some river rocks for sale at low prices or even giveaways through Craigslist, Facebook Marketplace, or Freecycle. Keep in mind that wet material will weigh more than dry material. As one of the most expensive types of landscaping rock available, Mexican beach pebbles cost between $800 and $900 per ton or $550 to $650 per cubic yard. These rocks are usually round in shape and have smooth textures due to the friction from the water's continuous flow. $50 - $160 cost per yard $250 - $1,500 average rock landscaping project cost Get free estimates for your project or view our cost guide below: Get free estimates Looking to find work instead? Both functional and aesthetically pleasing, river rock can be used throughout your yard to create walkways, suppress weeds, and increase water drainage. You will then instantly see the area coverage of your river rock. In other words, a cubic yard of river rock can cost around $150 to $250 depending on its color, rock diameter, and variation in sizes and shades. Unpolished river rock provides a natural look for landscaping beds. It is critical for homeowners to realize all the costs involved to reduce the risk of getting a shocking bill when the work is complete. Yes, any type of landscaping upgrade can increase a homes value up to 20 percent. Calculate the quantity and cost of products needed; The national average cost of flagstone is $2 to $6 per square foot. Landscaping rocks add color, interest, and utility to your yard. Your landscape rock coverage calculator would look like this: Average costs for typical river rock landscaping projects: $650. If youre interested in uniformly polished quartzite pebbles, prices may start around $1,500 per ton. This is especially an effective solution for homes on an incline or at the bottom of a hill. Landscaping rocks cost an average of $50 to $130 per ton or $40 to $100 per cubic yard. For those just beginning to think about landscaping with rocks and which type to use, the following are a few questions that may come up. If you cant place the river rock yourself, hiring a landscaping service may be a good idea. Bed size can be calculated in cubic yards or in tons and requires measurements of the length, width, and depth for where the rocks will be placed. Landscaping rocks and stones are low maintenance and durable, they help improve drainage and manage erosion, they keep pests away, and they can be used for a variety of different projects. How much does 3 tons of river rock cost? What does Lawn Sod cost? River rock sizes vary from -inch to over 6 inches, making its calculation different from other gravel landscaping material. In fact, there are about 50 shades of green, gray, black, and brown, and these rocks can even come with stripes, speckles, or striations. It costs an average of $650 to have a truckload of river rock delivered to your home or a construction site. Visit construction sites and farms to see if they have extra material they would like to get rid of for free or at minimal cost. To find how much river rock you need, here are the steps to follow: You are at the right place to find how much area or square footage a certain volume or weight of river rock can cover. Plus, a landscaper understands all the pros and cons of different rocks, what equipment to use, and how to make everything look as appealing and high quality as possible. But while a small landscaping rock installation can easily be done as a DIY project, it is best to call a professional (especially when lots of heavy lifting is involved) since it can potentially be dangerous. Hire a landscaping contractor near you to ensure the job installation is safe and of a high-quality standard. Granite pavers can be roughly $6 per square foot. River rock installation can be done on your own or with a professional. ft. . There are many other landscaping stones available that you might be considering for your landscaping project. ft. Pebbles: $1.80 per sq. Here are some examples of rock amounts needed based on the bed size. It lines the banks of bodies of water. River Rock Costs. Stay local. The more square feet of rock purchased, the better the discount. On average, landscape rocks cost $50-$125 per ton or $45-$130 per cubic yard. Just enter the desired quantity and price per cubic yard, and the calculator will show you the total cost. Transporting multiple tons of river rock for more significant residential or commercial projects will take more time. On the other hand, hiring a professional landscaper is a great option for larger projects. . Quartzite has a more polished finish than river rock. How Much Does it Cost to Install or Replace Kitchen Cabinets? Do you provide the design plans along with a detailed estimate? If "fire glass" is new to you, you can learn more about that by checking out our fire glass calculator. Use this floor joist calculator to determine the number of floor joists you will need and how much they will cost. Lawn Irrigation Systems cost on average Delivery is additional, ranging from $350 to $1,200, or an average of $700. How much will your project cost? Mexican beach pebbles can be used in planters; for driveways and walkways; and to fill dry stream beds, create colorful mosaics, make rock gardens, and provide decorative accents around water features. How much does Landscaping Rock cost? The. will establish a plan to boost your curb appeal, suppress weeds, and improve drainage all in one shot. Circular areas require a bit more calculation. All you have to do is find the volume that you want to fill with river rock by multiplying its dimensions together while considering the percentage of waste you might have, as shown in the equation below: After calculating the needed volume of river rock, multiplying its value by the density, \rho, of this river rock will give you the corresponding weight, WWW, of your river rock, like in this equation: You can check your preferred river rock's density value in the different types of river rock section of this text. Its almost always cheaper to buy in bulk, either by the pallet from the home and garden store or by the truckload from astone or granite fabricator. What factors impact the cost of installing landscaping rocks and river stones? The cost will depend on many factors, such as rock type, rock size, bed size, and installation. I don't know the material's density, but it weighs 550 pounds for five cubic feet and costs $70 per US . Convert the cubic feet into cubic yards by dividing by 27, giving you the volume in cubic yards. Multiply them together (10 x 10 x 0.17) to get 17 cubic feet. See Pricing in Your Area If you want a touch of natural beauty in your yard but want something low-maintenance, river rock is the way to go. This is mainly because less rock material will be needed for the project. The average cost for river rocks is between $60 and $170 per ton, and most homeowners pay between $365 and $1,500 for a river rock landscaping project. To choose the best rock for landscaping, homeowners will want to look for those that are 1 to 2 inches in size no matter the type. Boulders can cost anywhere from $100 to $600 a ton. According to HomeAdvisor and Angi, the cost of landscaping rocks and river stones is between $460 and $1,000, with the national average being $650. The following are the main types of landscaping rocks and their average costs. Finally, their durability makes them a good option for any climate. For decorative or custom engraved stones, the price may be higher. What if my measurements arent just in feet and inches? Considered a creative landscaping option, lava rock is a porous and durable igneous rock formed from cooled volcanic lava that comes in a mixture of textures from glassy to rough. Crushed gravel is a great way to pave these larger areas; it also looks nice and helps prevent water runoff. This material falls at the higher end of the price range because the pebbles are handpicked from beaches, are easy to walk on, and have an attractive, multitoned appearance with grey, black, brown, and red colors. No matter what a homeowner or landscape designer dreams up, there are rocks and stones to help the design come to fruition. This method is easier for DIY homeowners with smaller river rock landscaping projects. Average cost of Lawn Turf In landscaping, river stones and rocks are used to create mosaics, walking paths, landscape edging, and hard mulch around fire pits and plants. I can purchase 5 cubic yards of river rock at a price of $450. What should I do to prepare my garden bed for river rock? How Much Does it Cost to Install a Window? Tips to Raise your Home Value at any Price Point, Moving a Family: The Complete Guide for Parents, Calculations are dependent on where you live. You can even turn stepping stones into a walkway by adding low-price, smaller rocks around them to widen the path and make the entire path walkable. Prices range from $30 to $60 per ton or $20 to $40 per cubic yard. How much does Crushed Stone cost per yard? A homeowner who is used to manual labor and lifting heavy loads may be able to install landscaping rocks themselves, but a professional will know the best types of rock and the right equipment to use to complete the project safely. "}" The area and depth of your river rock bed is entirely up to you. Use light-colored river rocks for a cooler garden as they tend to reflect more sunlight than the dark-colored ones that absorb heat more. Here is the average gravel cost per square foot for these popular varieties: Gravel: $1 per sq. The average cost for river rocks is anywhere from $50 to $140 per ton, but the average homeowner will spend between $350 and $1,650 for a complete river rock landscaping project. . Pea gravel, crushed granite, crushed limestone, and river stone cost much less than some of the other materials. How much does St Augustine Sod cost? The cost of river rock depends on a few factors. Without proper drainage, the lawn can get muddy, puddles will appear often, and there may even be problems with leaks in the homes foundation. In other words, for a 1220 area, you'd need about 3 cubic yards of material at a cost of up to $100 plus possible delivery fees. Rock type Average price; River rocks: $45 - $130 per ton ; $50 - $160 per yard ; $15 - $35 per bag ; Lava rock: $80 - $240 per ton ; $50 - $140 per yard ; What is the best size river rock for landscaping? Updated June 1, 2022 Reviewed by Dan DiClerico , Smart Home Strategist and Home Expert. As a result, its also easier to deliver and install. Unpolished quartzite costs about, . They are typically used as a decorative accent or for walkways. Find hiring guides, material costs, expert advice, how-to's and more. Unpolished quartzite costs about $900 per ton. It typically costs $75 to $100 per ton and $37 to $150 per cubic yard. Some companies determine the price of stone by tons or weight rather than volume. . Riprap is a layer of large stones that interlock along sloped land to prevent erosion. Amount Required in Cubic Yards. Landscaping costs $4 to $12 per square foot for basic services. I want to ensure an equal coverage to a depth of 2 yards. The smoother and larger they are, the higher the price. Labor costs may vary, but landscapers typically charge between, . Since the stones are flat, their weight doesnt increase delivery prices as much as thicker boulders. Length: ft inches (in) feet (ft) yards (yd) centimeters (cm) meters (m) Width: ft inches (in) feet (ft) Consult a pro for a quote. Exact costs vary depending on the size of the stones and the type of terrain. If you have a smaller garden project, installing the river rock yourself should be simple and cost-effective. While there are landscaping rock calculators available, there are also ways to figure it out without that tool. Determine the depth youd like in inches, then convert it to feet by dividing 12 inches. This includes both purchasing and installing the materials. Do you offer discounts on large landscaping rock orders? Know the costs involved before starting your next remodeling project! Now that we know how to use our calculator, either as a river rock coverage calculator or as a river rock cost calculator, wouldn't it be nice to also know how to calculate river rock's volume or weight on your own? Instead of using wood mulch, homeowners can opt for crushed granite or lava rock to serve the same purpose. These are another pricier option, but they often have beautiful color . The best type of rock for landscaping depends on the specific project and the goals in mind. In this example, your project would need 1.2 tons of rock. Stepping stones offer a whimsical look to your yard in a wallet-friendly way. Example: Multiply the 0.63 cubic yards by 1.4 to get 0.882 tons. This option paints the most accurate picture of how much rock youll need to fill the entire space, but it doesnt account for weight. Other size factors that can impact your cost also include: The logistics of moving equipment up to and across a large roof Debris removal costs They can be constructed out of stacked stone and natural stones. How Much Does It Cost to Build a Bluestone Patio? Ft. Model Number: 1802006 Menards SKU: 1802006 Not Available Online Go to top of page River Rock - 1/2 Cu. With so much variety in landscaping rock and river stone, it can be both exciting and overwhelming trying to decide the best option to fit with the landscaping design. How much does Crushed Stone cost per yard? They can also withstand heavy foot traffic on walkways and driveways. Some homeowners have unique front yard landscaping ideas where they replace grass with pea gravel or other small rocks. At the very bottom, you will see the river rock cost calculator feature, wherein you can enter the cost of river rock per unit volume or per unit mass to find the total cost of your selected river rock. Quartzite has a more polished finish than river rock. Whats your minimum size order for deliveries? There are two varieties of granite used for landscaping: decomposed and crushed. The least expensive rocks for your landscaping needs are crushed gravel, decomposed granite, and pea gravel. Example: a 10 x 10 area = 100 square feet. These include 100-lb. What does a Concrete Block Wall cost? 2022 ConCalculator.com All Rights Reserved. This number helps you determine the number of cubic feet or cubic yards of rock required. Cost data is based on research by HomeAdvisor. When ordering your river rock, ask about delivery fees. Rate is inclusive of local delivery, as well as standard excess for perfect coverage and occasional touch-ups. The price of bull rock is $75 to $100 per ton on average or $100 to $150 per cubic yard. Bigger rocks are also heavier and denser. Landscaping Boulder cost document.getElementById( "ak_js_2" ).setAttribute( "value", ( new Date() ).getTime() ); Remodeling Expenses provides homeowners with accurate cost information on home services and level the playing field for consumers and service professionals. The square footage of the area is . Depending on the size and scope of the project, costs range between $300 to $60,000.
Custom Gene Synthesis, Chrome Technical Shorts, Hp Pavilion 24 All-in One Removing Back Cover, Exercises For Dropped Head Syndrome, Cloud Access Management Sailpoint, 2014 Tahoe Front Bumper Replacement, Polycarbonate Spray Paint Near Me, Mechanical Music Box Starry Night Instructions,
river rock cost per square foot