Cubic Feet & Volume Conversion Calculator

Calculate the volume of 3D shapes (rectangular prisms, cylinders, spheres) in cubic feet and convert to cubic yards, liters, gallons, or cubic meters.

This cubic-to-feet page is written for users converting dimensional measurements into cubic feet. Enter length, width, and height in inches, feet, yards, meters, or centimeters.

Calculated Volume Outputs

480.00Cubic Feet (ft³)
Cubic Yards17.7778 yd³
US Gallons3590.65 gal
Liters13592.06 L
Cubic Meters13.5921

Conversion Steps & Formulas:

1. Convert inputs to feet: L = 10.0000 ft, W = 8.0000 ft, H = 6.0000 ft
2. Calculate Volume: V = L × W × H = 480.0000 cubic feet

Frequently Asked Questions

How do I calculate cubic feet?

For a rectangular box, multiply Length × Width × Height (all in feet). If your measurements are in inches, divide each by 12 first, or divide the final cubic inch volume by 1728.

How many gallons are in a cubic foot?

One cubic foot contains approximately 7.48052 US liquid gallons.