Common volume conversions between systems.
Type a value, pick units
3.7854
1 gal (US) = 3.7854 L
Cross-system volume
- 1 US gal ≈ 3.785 L · 1 L ≈ 0.264 US gal.
- 1 fl oz ≈ 29.57 mL · 1 cup (US) ≈ 240 mL · 1 pint (US) ≈ 473 mL.
- Watch out: a UK (imperial) gallon ≈ 4.546 L — bigger than the US one.
Your turn
A car's tank holds 12 US gallons. Roughly how many litres is that?
Watch out
US and UK gallons are different sizes — never convert litres to 'gallons' without knowing which gallon you mean.
Conversions
- 1 gal ≈ 3.785 L
- 1 L ≈ 0.264 gal
- 1 fl oz ≈ 29.57 mL