US gallons to m³ – convert US gallons to cubic metres
Convert US gallons to cubic metres (US gal to m³) for water tanks, fuel storage, brewery volumes and industrial processes. This page opens the main volume converter with US gallons → m³ pre-selected.
Open the interactive US gal → m³ converter:
Use main converter (US gal → m³) or switch to m³ → US galQuick reference: US gallons to m³
The exact factor is 1 US gallon = 0.003785411784 m³. Rounded examples:
| US gallons | Cubic metres (m³, approx.) |
|---|---|
| 10 US gal | 0.0379 m³ |
| 50 US gal | 0.189 m³ |
| 100 US gal | 0.379 m³ |
| 500 US gal | 1.89 m³ |
| 1,000 US gal | 3.79 m³ |
Why convert US gallons to cubic metres?
- Engineering drawings specified in cubic metres while equipment is rated in US gallons.
- Comparing storage tanks or cisterns across US and metric documentation.
- Working with fuel or chemical volumes in international projects.
- Checking that quoted volumes meet regulatory or capacity requirements.
US gallons vs m³
US gallons are common in North American specs and data sheets. Cubic metres are the standard SI choice for large industrial and civil-engineering volumes.
US gallons to m³ FAQ
- Are these US or UK gallons?
- This page uses US gallons. For UK (imperial) gallons to m³, use the UK gallons converter listed below.
- Is cubic metres the same as “m3” in drawings?
- Yes – m³ is just the standard way to write cubic metres in technical documents and CAD.
- Can I convert US gallons directly to litres?
- Yes – choose US gal and litres on the homepage, or use the litres ↔ US gallons landing pages.