Stone & Gravel Calculator

Free gravel, stone & sand calculators

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We build free calculators for landscaping and building materials: gravel, crushed stone, sand, soil, mulch and pavers, plus kg to stone converters. Every density and formula we use is published on our methodology page.

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1d ago

Stone & Gravel Calculator - Know exactly how much gravel, sand or soil to order

A free set of 29 calculators for landscaping and building materials. Enter the size of a driveway, path, patio base or garden bed and see how much to order in cubic yards, tons, tonnes and bags, with compaction and waste built in. Covers gravel, crushed stone, river rock, sand, topsoil, mulch, paver base and more, plus UK tools (MOT Type 1, sand & cement) and kg to stone converters. Every density is published. No sign-up.