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Gravel Tons Calculator

Find how many tons of gravel you need and convert cubic yards to tons. Enter your area and depth to get tonnage based on typical gravel density.

Gravel Tons Calculator

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Gravel Tons Calculator, live preview
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Enter values to see your estimate.

How to Calculate Tons of Gravel

Change the calculator above and watch every figure and the diagram below update live.

Top-down view (area × depth)

W L depth 4"

Step 1 · Area

20 ft × 10 ft = 200 ft²

Step 2 · Volume (× depth, ÷ 27)

200 ft² × 0.33 ft ÷ 27 = 2.47 yd³

3.46
tons (× 1.4)
134
bags (÷ 0.5 ft³)

These figures update automatically as you change the calculator above.

Gravel coverage by depth

Approximate coverage of one cubic yard of gravel at common depths.

Approximate coverage of one cubic yard of gravel at common depths.
DepthCoverage per yd³Relative coverage
1" 324 sq ft
100%
2" 162 sq ft
50%
3" 108 sq ft
33%
4" 81 sq ft
25%
6" 54 sq ft
17%
3 in
3"

At 3 inches deep, one cubic yard of gravel covers 108 sq ft.

Gravel Tonnage FAQs

How do I calculate tons of gravel?
First find cubic yards (area × depth ÷ 27), then multiply by about 1.4, the typical weight of gravel in tons per cubic yard.
How do I convert cubic yards to tons?
Multiply cubic yards by 1.4. For example, 5 cubic yards ≈ 7 tons of gravel.
How many tons of gravel are in a cubic yard?
About 1.4 tons for typical dry gravel, though it varies with stone size and moisture.
Does gravel density change the tonnage?
Yes. Wet gravel and larger crushed stone can weigh more, so confirm density with your supplier for large orders.

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