🪨 Gravel Calculator
Volume • Weight • Tons • Bags • Cost • Waste • Multiple Units
What You Get with Our Free Gravel Calculator
Tons and Cubic Yards Together
Get your gravel calculator results in both tons and cubic yards at once, so you can order confidently regardless of which unit your supplier uses.
Pea Gravel and Standard Gravel Modes
Switch between pea gravel calculator settings and standard crushed stone density for accurate weight estimates on either material.
Driveway Specific Calculation
Use the dedicated gravel driveway calculator mode, which factors in standard driveway depth recommendations automatically.
Gravel and Custom Density
Choose common gravel types like 57 gravel calculator presets, or enter a custom density for specialty materials.
Area Shape Flexibility
Calculate gravel for rectangular, circular, or irregular shaped areas by entering length, width, or radius directly.
No Signup Needed
This gravel calculator in tons and yards works instantly in your browser, completely free with no account required.
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Why Our Gravel Calculator Gets It Right
Ordering gravel by guesswork almost always leads to buying too much or running short mid project, since gravel is sold by weight but measured for coverage by volume, and the conversion between the two depends heavily on the specific material’s density. Pea gravel, crushed stone, and 57 gravel all pack differently, which means a calculator built around a single generic density gives misleading results for anything other than that one material type.
This tool solves that by letting you select the actual gravel type you are ordering, whether that is a fine decorative pea gravel calculator project or a heavier driveway base material, and adjusting the density used in the calculation accordingly. The result converts cleanly between gravel calculator yards and gravel calculator in tons, matching however your local supplier prices their delivery, which removes the awkward manual conversion step that trips up most DIY estimates.
Beyond the math itself, getting the depth right matters just as much as the area. Driveways typically need a deeper base layer than a decorative garden bed, and this calculator’s driveway mode reflects that difference by defaulting to standard depth recommendations while still letting you customize if your project calls for something different.
Once you know your gravel needs, plan your full project budget with our Budget Calculator, calculate related material costs using the Deck Calculator, or measure your project area precisely with the Square Footage Calculator. For technical guidance on gravel driveway construction standards, the National Association of Home Builders publishes resources on aggregate base materials and installation practices.
How the Gravel Calculator Works
Four simple steps get you an accurate material estimate.
Enter Your Area Dimensions
Type the length and width, or radius for circular areas, of the space you are covering with gravel.
Set Your Desired Depth
Choose how deep you want the gravel layer, standard depth for driveways or a custom depth for other projects.
Select Your Gravel Type
Pick pea gravel, 57 gravel, or another standard type so the tool applies the correct density.
View Tons and Cubic Yards
See your total gravel requirement calculated instantly in both weight and volume units.
Frequently Asked Questions About Gravel Calculator
Here are answers to the most common questions people ask when calculating gravel for a project.
How much gravel do I need for a driveway?
Multiply the driveway’s length by width by depth in feet, then convert to tons using your gravel type’s density, or let this calculator do it automatically.
What is the difference between pea gravel and regular gravel calculations?
Pea gravel is smaller and more rounded, with a slightly different density than crushed stone, so the two require different calculator settings for accuracy.
How many tons of gravel are in a cubic yard?
This varies by material, typically around 1.3 to 1.5 tons per cubic yard for standard gravel, which the calculator accounts for automatically.
What depth of gravel is standard for a driveway?
Most gravel driveways use a base layer of four to six inches, though heavier traffic areas sometimes need more.
Can this calculator handle irregular shaped areas?
Yes, break irregular areas into smaller rectangular or circular sections and calculate each part separately for an accurate total.
Is the gravel calculator free to use?
Yes, it is completely free with no signup and unlimited calculations for any number of projects.