Mulch Reference

Mulch for 100 Square Metres

How much mulch you need to cover 100 square metres, in cubic metres and bags.

Mulch for 100 m²

At 8 cm deep, with a 5 percent allowance.

Cubic metres
8.4
50 L bags
168
cubic metres = 100 × (8 / 100) × 1.05 = 8.4 m³

That is about 1076 sq ft, roughly 10.46 cubic yards at 3 inches deep.

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About this estimate

100 square metres at 8 cm deep is about 8 cubic metres before the allowance. Bulk delivery is far cheaper than bags for larger beds.

Spreading mulch? A wide landscape rake levels a bed quickly.

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Common questions

How much mulch for 100 square metres?

At 8 cm deep, 100 square metres needs about 8.4 cubic metres of mulch, roughly 168 of the 50 litre bags.

How deep should mulch be?

Five to eight centimetres is typical. Deeper than that can trap too much moisture against stems.
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