Road Base Calculator

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Calculates the amount of gravel required for a road base, based on the length, width, and desired depth.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Road Length, Road Width, Road Base Depth, and Gravel Density in the units shown.

Step 2

Read Road Base Volume and Total Gravel Weight in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

See the inputs and their calculated results.

Road Length: 50 feet; Road Width: 10 feet; Road Base Depth: 4 inches; Gravel Density: 100 pounds/cubic foot

Road Base Volume: 166.6666667 cubic feet; Total Gravel Weight: 16,666.66667 pounds; Total Gravel Weight: 8.333333333 tons

Road Length: 75 feet; Road Width: 12 feet; Road Base Depth: 6 inches; Gravel Density: 100 pounds/cubic foot

Road Base Volume: 450 cubic feet; Total Gravel Weight: 45,000 pounds; Total Gravel Weight: 22.5 tons

Road Length: 150 feet; Road Width: 12 feet; Road Base Depth: 6 inches; Gravel Density: 100 pounds/cubic foot

Road Base Volume: 900 cubic feet; Total Gravel Weight: 90,000 pounds; Total Gravel Weight: 45 tons

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