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How much gravel do I need?

How much gravel do I need?

By the Plankley team · Last checked 19 October 2026

Work it out: the gravel calculator shows the sum for your own measurements, with every figure editable.

Worked example: Order: 2 bulk bags.

Open the gravel calculator

On this page

Tonnes vs cubic metres
Depth by use (sourced)
Bags
Membranes

Tonnes vs cubic metres

Depth by use (sourced)

Bags

Membranes

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Landscaping guides
Bulk bags vs loose loads

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Plankley is an independent site with UK calculators for DIY and the trades. Every figure is a planning estimate: check your supplier's or maker's figures before ordering. We don't test products.

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