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Gravel Volume and Weight for a Garden Path Calculator

Tonnes and bulk bags of gravel needed.

Calculates gravel volume (m³) = length × width × depth, weight = volume × bulk density (typically 1500–1700 kg/m³), and number of 25 kg or 850 kg bulk bags needed.

Daniel Oh By Daniel Oh
Published Last reviewed 1 min read

Inputs

m
m
m
kg/m³
kg

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Volume = L × W × D; weight = Volume × bulk_density

In depth

Calculates gravel volume (m³) = length × width × depth, weight = volume × bulk density (typically 1500–1700 kg/m³), and number of 25 kg or 850 kg bulk bags needed.