materials

Gravel Calculator

Calculate gravel cubic yards and approximate tons from area and depth. Results update instantly as you change the inputs.

Output
yards / bags / cost
Mode
planning estimate
live order math 2.61 yd3

Enter non-negative area dimensions and material depth.

Gravel Calculator1.11 yd³30.00 ft³
Estimated tons
1.56
Order volume
1.22 yd³

Last reviewed: May 12, 2026 by the BuilderCalc editorial team.

Planning notes

Gravel Calculator planning notes

Gravel Calculator results are for material planning. Confirm actual dimensions, product yield, and site requirements before ordering.

Measure finished dimensions

Use the final formed or laid-out dimensions whenever possible. Field measurements usually beat drawing assumptions.

Add a practical waste margin

Waste covers uneven base, cuts, spillage, and small field changes. The right margin depends on the project and material.

How to use it

Keep the estimate tied to field measurements

01

Measure area

Use the finished length and width or total square footage of the material area.

02

Enter depth

Use compacted or installed depth, not loose pile height, when planning coverage.

03

Check local density

Tons are approximate because moisture and supplier source change material weight.

FAQ

Concrete estimating questions

How does the gravel calculator work?

Enter area and depth, then the calculator converts volume into cubic yards and an approximate tonnage using common material density assumptions.

Should I add extra material?

Yes. Add a small allowance for compaction, uneven grade, spreading loss, and field measurement variation.

Why are tons approximate?

Material weight changes with moisture, gradation, compaction, and supplier source. Use supplier scale weights for final ordering.