1 Your measurements

Type feet and inches the way you'd write them, like 12' 6" or 30 3/8. Decimals work too.

ft
For a circle, measure straight across the middle. For a triangle, use the base.
ft
sq ft
Use the square footage calculator to add up odd shapes.
in
Measure in a few places and use the average.
For example, 6 identical footings or 2 matching beds.

2 Volume

Cubic yards
1.48 yd³
40 cu ft · 1.13 m³
Order
1.5 yd³
rounded up to the next ¼ yard
Area
120 sq ft
1 yd³ covers 81 sq ft at this depth
Volume and approximate weight
Cubic feet40 cu ft
Cubic yards1.481 yd³
Cubic meters1.133 m³
Weight if it's gravel / crushed stone2.07 tons (4,148 lb)
Weight if it's sand2 tons (4,000 lb)
Weight if it's topsoil1.63 tons (3,259 lb)
Weight if it's wood / bark mulch0.59 tons (1,185 lb)

Weights are typical for dry, loose material. Ask your supplier what their material weighs per yard. For concrete, use the concrete calculator, which also counts bags.

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