VOLUME CONVERSION
Cubic foot to Cubic inch.
Convert cubic foot (ft³) to cubic inch (in³), with the math explained.
1 ft³ = 1,728 in³
US and UK gallons, pints, and fluid ounces are different sizes. A metric cup is 250 mL; a US customary cup is 236.5882365 mL.
THE MATH, MADE SIMPLE
How to convert cubic foot to cubic inch
Multiply your cubic foot value by 1,728 to get the equivalent in cubic inch. Both units are normalized through the liter.
in³ = ft³ × 1,72810 ft³ = 17,280 in³
Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.US and UK gallons, pints, and fluid ounces are different sizes. A metric cup is 250 mL; a US customary cup is 236.5882365 mL.
QUICK REFERENCE
ft³ to in³ conversion table
| Cubic foot (ft³) | Cubic inch (in³) |
|---|---|
| 1 ft³ | 1,728 in³ |
| 2 ft³ | 3,456 in³ |
| 5 ft³ | 8,640 in³ |
| 10 ft³ | 17,280 in³ |
| 20 ft³ | 34,560 in³ |
| 50 ft³ | 86,400 in³ |
| 100 ft³ | 172,800 in³ |
| 500 ft³ | 864,000 in³ |
| 1,000 ft³ | 1,728,000 in³ |
About the cubic foot
The cubic foot (ft³) is a unit of volume. One cubic foot equals 28.316846592 liter (base unit) in this calculator.
All cubic foot conversionsAbout the cubic inch
The cubic inch (in³) is a unit of volume. One cubic inch equals 0.016387064 liter (base unit) in this calculator.
All cubic inch conversionsCommon questions
What is 1 ft³ in in³?
One cubic foot equals 1,728 in³. Use the formula above for other values.
Why might another calculator show a different last digit?
Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.
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