builders.tools

Outdoor

Gravel & Soil

How much gravel, sand, topsoil, compost or mulch you need for an area, in cubic yards, tons, cubic meters, tonnes and bags.

Units

How much gravel do I need?

Multiply length × width × depth. In feet and inches, divide cubic feet by 27 for cubic yards. Suppliers sell by the yard or the ton, so the calculator shows both, using a typical weight for each material.

Typical depths

  • Gravel path: 2–3 in (5–7 cm) on a compacted base
  • Gravel driveway: 4–6 in (10–15 cm) in layers
  • Mulch on beds: 2–3 in (5–7 cm)
  • Topsoil for a new lawn: 4–6 in (10–15 cm)

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