The following should help to assist you in determining the quantities of material you require (approximate measurements only)

QUANTITIES

1 scoop	0.3 cubic metre	4 - 5 wheelbarrow loads
1 cubic metre	1m x 1m x 1m	12 - 16 wheelbarrow loads

SPREADING RATES

Depth required:	1 scoop will cover:	1 cubic metre will cover:
10mm	30 sqm	100 sqm
20mm	15 sqm	50 sqm
50mm	6 sqm	20 sqm
100mm	3 sqm	10 sqm
150mm	2 sqm	6.7 sqm

WEIGHT GUIDE

Aggregates	1.5 - 1.7 tonnes per cubic metre
Bark	0.3 tonnes per cubic metre
Topsoil	1.0 tonnes per cubic metre
Compost	0.3 - 0.5 tonnes per cubic metre
Sand	1.4 tonnes per cubic metre