Formula
ft³ to in³ conversion formula
Use this relationship for a direct conversion:
in³ = ft³ x 1,728
Worked example
2 ft³ = 3,456 in³.
US liquid and Imperial gallon definitions are treated separately and use their exact legal values.
Volume conversion
Convert Cubic foot to Cubic inch
1 cubic foot (ft³) equals 1,728 cubic inch (in³). Enter any value below to convert from ft³ to in³.
Enter a value and choose units. Results update instantly.
1 ft³ = 1,728 in³
All Volume units
From 1 ft³| Unit | Value |
|---|---|
| Cubic meter m³ | 0.0283168466 |
| Liter L | 28.316846592 |
| Milliliter mL | 28,316.846592 |
| Cubic centimeter cm³ | 28,316.846592 |
| Cubic inch in³ | 1,728 |
| Cubic foot ft³ | 1 |
| US gallon US gal | 7.4805194805 |
| Imperial gallon imp gal | 6.228835459 |
| US quart US qt | 29.9220779221 |
| US customary cup US cup | 119.6883116883 |
| US fluid ounce US fl oz | 957.5064935065 |
Recent conversions
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Quick reference
Cubic foot to Cubic inch table
| Cubic foot (ft³) | Cubic inch (in³) |
|---|---|
| 0.01 | 17.28 |
| 0.1 | 172.8 |
| 1 | 1,728 |
| 2 | 3,456 |
| 5 | 8,640 |
| 10 | 17,280 |
| 25 | 43,200 |
| 50 | 86,400 |
| 100 | 172,800 |
| 1,000 | 1,728,000.0000000005 |
From unit
About the cubic foot
The volume of a one-foot cube.
Symbol: ft³
To unit
About the cubic inch
The volume of a one-inch cube.
Symbol: in³
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Related conversions
Source
Conversion standard
Definitions are checked against NIST Handbook 44, Appendix C. Calculations use full internal precision before display rounding.
View the complete volume converterQuestions
ft³ to in³ FAQ
How do you convert cubic foot to cubic inch?
Use the formula in³ = ft³ x 1,728. 1 cubic foot (ft³) equals 1,728 cubic inch (in³).
Is the ft³ to in³ conversion exact?
Both unit definitions use exact factors. Only the displayed decimal may be rounded.