Volume
m³togal (US)
Convert cubic metres (m³) to US gallons (gal (US)).
Factor1 m³ = 264.1721 gal (US)
Converter
m³
Accepts numbers or expressions, e.g. 150 + 14.7
Result
gal (US)
Rendered to 6 significant figures.
Formula
Formula
gal (US) = m³ × 264.1721
Multiply any value in cubic metres by 264.1721 to obtain the value in US gallons.
Worked example
Convert 1 m³ to gal (US).
- 01Start with 1 m³.
- 02Multiply by the conversion factor: 1 × 264.1721 = 264.172 gal (US).
Result1 m³ = 264.172 gal (US)
Conversion table
| m³ | gal (US) |
|---|---|
| 1 | 264.17 |
| 2 | 528.34 |
| 5 | 1320.9 |
| 10 | 2641.7 |
| 20 | 5283.4 |
| 50 | 13209 |
| 100 | 26417 |
| 200 | 52834 |
| 500 | 1.3209e+5 |
| 1000 | 2.6417e+5 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from m³ to gal (US)?
1 m³ equals 264.1721 gal (US). To convert, multiply the value in cubic metres by 264.1721.
How do I convert 1 m³ to gal (US)?
1 m³ = 264.172 gal (US). For any value, multiply by 264.1721.
How do I convert gal (US) back to m³?
Divide by the same factor — or equivalently, multiply by 0.003785412. So 1 gal (US) = 0.00378541 m³.
When would I need to convert cubic metre to US gallon?
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).