Informative Calculators ▶ Gravel Calculator
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Table of Content
Our gravel calculator helps to estimate how much gravel in volume and weight you need to complete your earthwork project. However, by using this online gravel cost calculator you come to know how much the gravel material will cost you!
This gravel calculator estimates the volume & weight of gravel needed and here we have manual calculations for both.
And, if you concerned to determine how much mulch you need for a given area at a specified depth, then this online mulch calculator works best for you.
To calculate the volume needed, follow the given steps:
Example:
A surface has \(18 ft\) long and \(21 ft\) wide with a depth of \(10 ft\). Then how much gravel do I need?
Solution:
\(L = 18 ft\)
\(W = 21 ft\)
\(D = 10 ft\)
So, find the area by,
\(A = L \times W\)
\(A = 18 \times 21\)
\(A = 378 ft^2\)
Now,
Calculate the volume by using the formula:
\(V = A \times D\)
\(V = 378 \times 10\)
\(V = 3780 ft^3\)
To calculate the weight needed, using the formula:
\(Density = \frac {mass}{volume}
\(mass = Density \times volume\)
Example:
If the volume needed is \(3780 ft^3\) and the density is \(104.88 lb/ft^3\), then find the weight needed?
Solution:
Here,
\(Density = 104.88 lb/ft^3\)
\(Volume = 3780 ft^3\)
So,
\(mass = Density \times volume\)
\(mass = 104.88 \times 3780\)
\(mass = 396446.4 lbs (198.223 tons)\)
According to their different size & shape, they can be classified into following:
The online gravel estimator allows you to calculate how much gravel you need to convert a rectangular area or circular area, the given steps will help you in using this free online calculator:
Input:
Output:
The online gravel estimator estimates:
Note:
It doesn’t matter whether you do gravel calculations for the rectangular or circular area, there you have an option field of price per unit mass. You just have to enter the price/unit of mass into this gravel cost calculator to determine the total cost of gravel you required for your project.
Calculating rock needs:
Material | Suggested Depth | Coverage Area per 1 ton |
3”-8” rock | 3”-8” | 60 square feet |
1”-3” rock | 1”-3” | 80 square feet |
3/4”-1” screened gravel | 2” | 100 square feet |
5/8”-1/2” screened gravel | 2” | 120 square feet |
1/4-3/8” screened gravel | 2” | 140 square feet |
The cost of gravel ranges from:
From the source of Wikipedia: Gravel, Types, Geological formation, Modern production and much more!
From the site of basalconstruction: How much gravel you need for your driveway?