Gravel Calculator
Estimate gravel volume and weight for driveways, paths, and landscaping projects.
How this calculator works
How to use this calculator
Enter the project measurements and material details requested in the calculator. Then click Calculate to estimate the result. For best accuracy, measure carefully and update any default material values based on your supplier or project plan.
Formula used
Volume = Length × Width × Depth. Weight = Volume × Density.
Example calculation
For a 20 ft by 10 ft area with 3 inches of gravel and density of 100 lb/ft³, volume is 50.00 ft³ and estimated weight is 5,000.00 lb.
What the result means
The result shows the estimated gravel volume and weight needed for your project. Order a little extra for compaction, uneven ground, or spreading loss.
Frequently asked questions
Does gravel density change?
Yes. Different gravel types have different densities, so adjust the density field if your supplier provides a specific value.