Convert Cubic feet to cubic inches
1 cubic foot = 1,728 cubic inches · in³ = ft³ × 1,728
When you need this conversion
This conversion goes from cubic feet, used for appliance capacity and freight in the US, to cubic inches, used for engine displacement and small volumes. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
Cubic feet to cubic inches conversion table
| Cubic feet (ft³) | Cubic inches (in³) |
|---|---|
| 1 ft³ | 1,728 in³ |
| 2 ft³ | 3,456 in³ |
| 3 ft³ | 5,184 in³ |
| 5 ft³ | 8,640 in³ |
| 10 ft³ | 17,280 in³ |
| 15 ft³ | 25,920 in³ |
| 20 ft³ | 34,560 in³ |
| 25 ft³ | 43,200 in³ |
| 50 ft³ | 86,400 in³ |
| 75 ft³ | 129,600 in³ |
| 100 ft³ | 172,800 in³ |
| 250 ft³ | 432,000 in³ |
| 500 ft³ | 864,000 in³ |
| 1,000 ft³ | 1,728,000 in³ |
The formula
in³ = ft³ × 1,728Because both units measure volume, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
Cubic inches to cubic feet →Related volume conversions
- Cubic feet to cubic meters
- Milliliters to US cups
- Milliliters to US fluid ounces
- Liters to cubic meters
- Liters to US gallons
- Cubic meters to liters
- Cubic meters to cubic feet
- US gallons to liters
- US cups to milliliters
- US fluid ounces to milliliters
- Milliliters to cubic inches
- Liters to cubic inches
Frequently asked questions
- How many cubic inches are in a cubic foot?
- There are 1,728 cubic inches in 1 cubic foot. The formula is in³ = ft³ × 1,728.
- How do you convert cubic feet to cubic inches?
- Use the formula in³ = ft³ × 1,728. For example, 10 cubic feet equals 17,280 cubic inches.
- Is the cubic feet to cubic inches conversion exact?
- Yes. Cubic feet and cubic inches are both units of volume, related by an exact defined factor. Displayed results are rounded for readability.
- What is ft³ short for?
- ft³ is the standard symbol for cubic foot. in³ is the symbol for cubic inch.