Volume
ft³tom³
Convert cubic feet (ft³) to cubic metres (m³).
Factor1 ft³ = 0.02831685 m³
Converter
ft³
Accepts numbers or expressions, e.g. 150 + 14.7
Result
m³
Rendered to 6 significant figures.
Formula
Formula
m³ = ft³ × 0.02831685
Multiply any value in cubic feet by 0.02831685 to obtain the value in cubic metres.
Worked example
Convert 35 ft³ to m³.
- 01Start with 35 ft³.
- 02Multiply by the conversion factor: 35 × 0.02831685 = 0.99109 m³.
Result35 ft³ = 0.99109 m³
Conversion table
| ft³ | m³ |
|---|---|
| 1 | 0.028317 |
| 2 | 0.056634 |
| 5 | 0.14158 |
| 10 | 0.28317 |
| 20 | 0.56634 |
| 50 | 1.4158 |
| 100 | 2.8317 |
| 200 | 5.6634 |
| 500 | 14.158 |
| 1000 | 28.317 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from ft³ to m³?
1 ft³ equals 0.02831685 m³. To convert, multiply the value in cubic feet by 0.02831685.
How do I convert 1 ft³ to m³?
1 ft³ = 0.0283168 m³. For any value, multiply by 0.02831685.
How do I convert m³ back to ft³?
Divide by the same factor — or equivalently, multiply by 35.31467. So 1 m³ = 35.3147 ft³.
When would I need to convert cubic foot to cubic metre?
Volume conversions are used for tank sizing, batch calculations, and bridging between vendor specs (gallons, barrels, ft³) and process documentation (m³, litres).
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).