This calculator converts volume from cubic meters (m³) to cubic feet (ft³) using the internationally fixed definition of the foot. It is suitable for engineering takeoffs, HVAC sizing, aquariums, brewing, and any workflow that needs exact ft³ values from SI inputs.
Cubic Meters (m³) to Cubic Feet (ft³) Converter
Enter a value in the field below and press the button
Cubic Meters (m³)
Result in Cubic Feet (ft³)
How to use
- Enter a value in cubic meters.
- Choose decimal places for the result.
- Select Convert to show cubic feet and the calculation line.
- Use Copy Result to place the number on your clipboard.
- Use Clear All to reset inputs and outputs.
- The Swap button opens the calculator for cubic feet to cubic meters.
Definitions and unit facts
Cubic meter (m³) — SI unit of volume equal to the volume of a cube one meter on each side. Abbreviation: m³. System: SI. Relationship to the cubic foot comes from the exact linear definition 1 ft = 0.3048 m, so 1 m³ = (1/0.3048)³ ft³ = 35.314666721 ft³ exactly.
Cubic foot (ft³) — U.S. customary and Imperial unit of volume equal to the volume of a cube one foot on each side. Abbreviation: ft³. System: U.S. customary/Imperial. From 1 ft = 0.3048 m exactly, 1 ft³ = 0.028316846592 m³ exactly.
Conversion formula
cubic feet = cubic meters × 35.314666721. Source: exact definition 1 ft = 0.3048 m; see NIST Special Publication 811, conversion factors.
Conversion table
| Cubic Meters (m³) | Cubic Feet (ft³) |
|---|---|
| 0.001 | 0.035315 |
| 0.005 | 0.176573 |
| 0.010 | 0.353147 |
| 0.020 | 0.706293 |
| 0.050 | 1.765733 |
| 0.100 | 3.531467 |
| 0.200 | 7.062933 |
| 0.250 | 8.828667 |
| 0.500 | 17.657333 |
| 0.750 | 26.486000 |
| 1.000 | 35.314667 |
| 2.000 | 70.629333 |
| 3.000 | 105.944000 |
| 5.000 | 176.573334 |
| 7.500 | 264.860000 |
| 10.000 | 353.146667 |
| 15.000 | 529.720001 |
| 20.000 | 706.293334 |
| 30.000 | 1059.440002 |
| 50.000 | 1765.733336 |
Real-world examples
- 1 liter water bottle: 0.001 m³ = 0.035315 ft³
- 2 liter soda bottle: 0.002 m³ = 0.070629 ft³
- 5 liter jerrycan: 0.005 m³ = 0.176573 ft³
- 10 liter bucket: 0.01 m³ = 0.353147 ft³
- 20 liter jerrycan: 0.02 m³ = 0.706293 ft³
- 1 US gallon paint can: 0.00378541178 m³ = 0.133681 ft³
- 5 US gallon utility bucket: 0.01892705892 m³ = 0.668403 ft³
- 10 US gallon aquarium: 0.03785411784 m³ = 1.336806 ft³
- U.S. half-barrel keg (15.5 gal): 0.05867388265 m³ = 2.072049 ft³
- 55 US gallon steel drum: 0.20819764812 m³ = 7.352431 ft³
If you have a moment, please share how you use this calculator. If another online tool would help your work or studies, let us know in the comments and we will gladly consider building it.
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