To calculate the size, measure the length and the width of your project area. Multiply those two numbers to come up with the square footage of your coverage area. So if your project is 18 feet long by 20 feet wide, your coverage area is square feet. 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:. Of course, you may not be sure of the unit price. If so, then you can calculate this using the mathematical formula:. Our calculator is able to work with many units and does the appropriate conversions for you. Simply select the desired units, and the calculator will do the following conversions:. Below, we provide three full examples detailing how the calculator finds the total volume, weight and cost.
Table of contents: What are river rocks? How much river rock do you need? Different types of river rocks How to use our river rock calculator Using our tool as a river rock coverage calculator How do you calculate river rock volume and weight?
Sample calculation of the amount of needed river rock FAQ. What are river rocks? Different types of river rocks 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. How to use our river rock calculator We equipped our river rock calculator with a variety of features that you might find helpful. To find how much river rock you need, here are the steps to follow: Select the type of river rock you wish to use.
Upon choosing one, our river rock calculator will instantly display the density of that type of rock. Different river rocks have different density values, and so their total weight may be different. You can also directly input the density of your river rock if you wish. Enter the dimensions or the surface area you want to cover with river rock and its depth.
This will instantly display the estimated volume of your river rock. Decide how much river rock you might waste when applying them to the area. You can also consider this as the contingency if the dimensions you entered in the fields are subject to change.
Using our tool as a river rock coverage calculator You are at the right place to find how much area or square footage a certain volume or weight of river rock can cover. How do you calculate river rock volume and weight? Sample calculation of the amount of needed river rock Let's say we want to make a 7. FAQ How much river rock do I need? Determine the area you wish to cover with river rock. Measure the desired depth of your river rock.
Multiply the area by the depth to obtain the volume you need. Find out the density of the river rock you want to use. Multiply the volume by the rock's density to get its weight.
There is only one 36" boulder per ton. Large landscaping rocks and boulders for landscaping. Bulk landscape rock prices depend on the rock type, size, supply location, and total weight. Bulk river rock prices by pallet and truckload - chart. Rip rap rock cost per ton and per yard - chart. Stacked rip rap rock pile. Stepping stones pricing depends on the shapes, sizes, thicknesses, and material. Landscaping stone prices per square foot - chart. Landscaping flagstone walkway in backyard. Hard-to-access sites and difficult terrain increase labor costs.
One ton of river rock covers 55 to square feet when spread out 2 to 4 inches deep. One cubic yard of river rock covers 75 to square feet , when spread out 2 to 4 inches deep. The amount of river rock needed depends on the area size, depth, and stone size. Prices are materials only. River rocks for landscaping are for sale at home improvement stores, garden centers, hardware stores, rock quarries, or through landscapers, which includes installation.
Home Depot has the largest selection of landscaping stones and river rocks. Gravel is the cheapest rock for landscaping and is widely available. Other subtypes of river rocks include smooth river rocks, unpolished river rocks, and washed river rocks. River rock weighs 2, to 2, lbs.
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