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Cubic Feet Calculator

Find the volume in cubic feet of a box, room, raised bed or moving truck from inches, feet, yards or meters.

Units

Length

Width

Height

Quantity

How to use it

Choose the unit you measured in.
Enter length, width and height (or depth).
Read the volume in cubic feet, cubic yards, cubic meters, liters and US gallons.

How it works

Volume = length × width × height, converted to feet first. 1 ft³ = 28.317 liters = 7.48 US gallons.

FAQ

How do I calculate cubic feet from inches?

Multiply length × width × height in inches and divide by 1,728.

How many cubic feet of soil for a raised bed?

A 4 × 8 ft bed 12 in deep holds 32 ft³ (about 1.2 yd³).

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