Gravel Calculator
Free Online Gravel Calculator 2026
Gravel Calculator is a free online tool for estimating how much gravel, crushed stone, pea gravel, or other aggregate you need for a project. Enter your project dimensions, gravel depth, material type, and optional pricing to instantly calculate tons, cubic yards, weight, coverage, bags, and estimated cost. It supports both US and metric units and includes specialized calculators for driveways, French drains, walkways, gardens, patios, paver bases, and more.
Features
• Calculate gravel in tons, cubic yards, cubic feet, and cubic meters
• Estimate gravel weight, coverage, bags, and total project cost
• Support for crushed stone, pea gravel, river rock, dense grade, and custom densities
• Dedicated calculators for driveways, French drains, patios, paver bases, walkways, and landscaping
• US and metric unit support
• Free to use with no signup required
Use Cases
• Estimate gravel needed for a driveway
• Calculate stone for French drains and drainage projects
• Plan gravel for patios, walkways, and garden paths
• Estimate paver base and shed base materials
• Compare bagged gravel with bulk gravel quantities and costs
• Calculate tons and cubic yards before requesting a supplier quote
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