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Gravel Calculator

Gravel by volume and weight, for any material type.

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Material densities

Gravel is measured by volume but sold by weight, so the density matters.

MaterialTons per yd³Your tonnage

Recommended depths

UseDepthYour quantity

Gravel to order

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Quantities

Area—
Cubic yards—
Cubic metres—
Metric tonnes—

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Estimated cost at your rate per ton

A driveway carrying vehicles wants four to six inches, ideally in layers with the coarsest material at the bottom. Densities vary with moisture and compaction, so treat the tonnage as an estimate and confirm with your supplier before ordering.

Quick Tool Overview

The Gravel Calculator estimates aggregate for a driveway, path or base layer in cubic yards, cubic metres and tons, using the correct density for the specific material — because gravel is sold by weight but measured by volume.

What it does
Calculates gravel volume and weight for an area
You give it
Area, depth and the material type
You get back
Cubic yards, cubic metres, tons and cost
Best for
Driveways, paths, patio bases and drainage
Calculators Free, unlimited use No sign-up Runs in your browser

About the Gravel Calculator

Work out how much gravel a driveway, path or base layer needs, in cubic yards, cubic metres and tons. Because aggregate is sold by weight rather than volume, the density of the specific material matters, and each type carries its own figure here.

That difference is substantial: pea gravel runs around 1.4 tons per cubic yard while crushed stone runs closer to 1.5, so ordering by volume and paying by weight can leave you noticeably off. Depth is the other decision — two to three inches suits a path, while a driveway that carries vehicles wants four to six inches, usually in layers of decreasing size with the coarsest at the bottom.

Key features of the Gravel Calculator

Density per material

Pea gravel, crushed stone, road base and others each carry their own figure, which changes the tonnage noticeably.

Volume and weight both

Because suppliers quote in cubic yards but charge by the ton, and the two need reconciling.

Depth guidance by use

Two to three inches for a path, four to six for a driveway carrying vehicles, ideally in layers.

Metric and imperial

Cubic yards and tons alongside cubic metres and tonnes.

Cost estimate

Enter a price per ton or per yard and the delivery is priced.

How to use the Gravel Calculator

  1. 1

    Measure the area

    Length and width of the driveway, path or pad. Circular areas are supported too.

  2. 2

    Set the depth

    Two to three inches for a path, four to six for a driveway carrying vehicles.

  3. 3

    Choose the material

    Pea gravel, crushed stone, road base and others, each with its own density.

  4. 4

    Read the order

    Cubic yards, cubic metres, tons and tonnes, plus cost if you enter a rate.

Frequently asked questions

Multiply length by width by depth in feet, divide by 27 for cubic yards, then multiply by the material density for tons. A 100 by 10 foot driveway at 4 inches deep needs roughly 12 cubic yards.

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