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Landscaping

Gravel Calculator USA 2026

Estimate cubic yards and tons of gravel for driveways, paths, drainage or under paver bases.

Reviewed by BuildMate Editorial Team Construction Researchers Updated March 2026 2 min read Fact-checked

Used by

250,000+ homeowners

Avg. time

~15 seconds

Updated

2026

Accuracy

Pro estimation

Works on: Desktop Tablet Mobile No registration required
Unit system

Enter your measurements

Results

Cubic yards (with 10% compaction)

5.43 yd³

Tons

7.60

Coverage

400 sq ft

Calculation steps
  1. 1.Volume = 40 × 10 × (4/12) = 133.33 ft³
  2. 2.Cubic yards = 133.33 ÷ 27 × 1.10 = 5.43
  3. 3.Tons ≈ 5.43 × 1.4 = 7.60

Includes a standard waste allowance. Verify with your supplier before ordering.

Stored on this device — no account needed.

What this calculator does

Turns bed dimensions into cubic yards of mulch, soil, gravel or stone, plus recommended depth for the material type.

When to use it

  • Filling flower beds, tree rings or gravel paths.
  • Topdressing lawns with compost.
  • Sizing a French drain or drainage swale.

Common mistakes

  • Ordering by bag when bulk-delivery is 40% cheaper for larger jobs.
  • Applying mulch too thick — it suffocates roots.
  • Forgetting weed fabric under gravel.

Pro tips

  • Mulch depth: 2–3" is ideal, never touching trunks.
  • 1 cubic yard covers 100 sq ft at 3" deep.
  • Order bulk delivery for jobs over 3 yd³.
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Disclaimer: Estimates based on 2026 RSMeans USA data. Actual quantities vary by site conditions, waste and installer practices. Verify with your supplier or contractor before ordering.

How it works

  1. 1Enter length, width and depth (in inches).
  2. 21 cubic yard of gravel ≈ 1.4 tons.
  3. 3Order 10% extra for compaction.

Formula

Yards = (L × W × Depth/12) ÷ 27 → Tons = Yards × 1.4

Worked example

40 × 10 ft × 4" = 133 ft³ ÷ 27 = 4.94 yd³ ≈ 6.9 tons.

Frequently asked questions

What depth for a driveway?

4" of #57 stone over 4" of compacted road base.

How much does a yard weigh?

About 2,800 lb (1.4 tons) for dry, clean crushed stone.

Is the Gravel Calculator free to use?

Yes — every BuildMate calculator is 100% free, requires no signup and works offline once the page has loaded.

How accurate are these estimates?

Formulas follow 2026 industry standards (RSMeans, ICC and manufacturer specs). Real-world results vary by site conditions, waste and installer practices — always get 2–3 written quotes from licensed pros before committing.

Can I save my calculation?

Yes. Hit the Save button after you run an estimate — it's stored on this device (no account needed) and you can access it anytime from the Saved drawer.

Can I compare two projects side-by-side?

Yes. Add estimates to Compare and open the Compare drawer to see them side-by-side, then use Download PDF or Email to share the comparison.

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