Cubic feet to cubic inches
Type a value in cubic feet to see it in cubic inches straight away, or type in the second box to convert back.
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How to use it
- Type the value in the cubic feet box.
- Read the result in cubic inches as you type, and pick the precision you need.
- Swap the direction to convert back, or copy the result.
How it is calculated
in³ = ft³ × 1,728
Multiply the value in cubic feet by 1,728 to get cubic inches.
Example
To convert 25 ft³ to cubic inches: 25 × 1,728 = 43,200 in³.
Conversion table
| Cubic feet (ft³) | Cubic inches (in³) |
|---|---|
| 1 | 1,728 |
| 2 | 3,456 |
| 3 | 5,184 |
| 5 | 8,640 |
| 10 | 17,280 |
| 20 | 34,560 |
| 25 | 43,200 |
| 50 | 86,400 |
| 100 | 172,800 |
| 250 | 432,000 |
| 500 | 864,000 |
| 1,000 | 1,728,000 |
About the units
- Cubic foot
- The cubic foot equals 1728 cubic inches, exactly 28.316846592 liters, and is used for fridge capacity and freight.
- Cubic inch
- The cubic inch is a cube one inch (0.0254 m) on each side, equal to exactly 16.387064 cubic centimeters.
Limits and caveats
- Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
- Both unit factors are exact by their official definitions.
Questions about this tool
How many cubic inches are in one cubic foot?
1 ft³ = 1,728 in³ exactly.
How do I convert cubic feet to cubic inches?
Use in³ = ft³ × 1,728. For example, 25 ft³ = 43,200 in³.
How many cubic feet are in one cubic inch?
1 in³ = 0.000578704 ft³.
What is the difference between a US gallon and an imperial gallon?
A US gallon is 3.785411784 liters and the imperial gallon used in the UK is 4.54609 liters, about 20% larger. Check where a figure comes from before converting, since US sources mean the US gallon.
How many milliliters are in a cup?
The US customary cup used in recipes is 236.5882365 mL and the metric cup is 250 mL. US nutrition labels round the cup to 240 mL, so the figure differs slightly between sources.