How much gravel do I need?

Please use this gravel calculator to calculate how much gravel you will need for your ground reinforcement grids. The grids can be filled with a wide range of materials including soil, grass, grass seed, gravels, stones and more. For our 40mm grids, we recommend using 5-25mm angular stone gravel and for our 50mm grids we recommend using 5-30mm angular stone gravel.

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kg needed for square metres