Gravel Calculator
Free online Gravel Calculator.
Calculator
How to Use
- Enter the required values
- Click Calculate to see the result
- Review the detailed output
Formula
Volume = Length x Width x Depth (same units). Cubic yards = cubic feet / 27. Tons = cubic yards x 1.4 (typical gravel density). Add 5-10% for compaction.
Example Calculations
Driveway
Input: 50ft x 12ft x 4 inches deep
Result: 7.41 cubic yards, ~10.4 tons
Pathway
Input: 30ft x 3ft x 3 inches deep
Result: 1.11 cubic yards, ~1.56 tons
French Drain
Input: 40ft x 1.5ft x 2ft deep
Result: 4.44 cubic yards, ~6.22 tons
About This Calculator
Free online gravel calculator. Calculate instantly in your browser with our easy-to-use tool. No sign-up required.
Our gravel calculator is free, easy to use, and provides instant results. All calculations are performed in your browser for privacy and speed.
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Frequently Asked Questions
How much gravel needed?
L x W x depth in same units. Convert to cubic yards (/27). Add 5-10% for compaction.
Cubic yards to tons?
Most gravel: ~1.4 tons per cubic yard.
Driveway gravel depth?
4-6 inches compacted in 2-3 layers. Base: larger crushed stone. Top: smaller gravel.
Best gravel for drainage?
Angular crushed stone (3/4 inch). Sharp edges lock together leaving water flow space.
Gravel cost?
$15-75/cubic yard by type. Delivery: $50-100 extra. Bulk cheaper per unit.