1 US gal = 231 in³ = 3.785411784 L (exact) 1 L = 0.001 m³
Result in Liters (L)
3.785411784
Reverse factor
1 L = 0.2641720524 gal
Common volume conversions
1 tsp
4.928921594 mL
1 tbsp
14.78676478 mL
1 fl oz
29.57352956 mL
1 cup
236.5882365 mL
1 pt
0.473176473 L
1 qt
0.946352946 L
1 gal
3.785411784 L
1 imp gal
4.54609 L
Gallons to liters conversion table
Gallons to liters
Gallons, US (gal)
Liters (L)
0.5 gal
1.892705892 L
1 gal
3.785411784 L
2 gal
7.570823568 L
5 gal
18.92705892 L
10 gal
37.85411784 L
15 gal
56.78117676 L
20 gal
75.70823568 L
55 gal
208.1976481 L
100 gal
378.5411784 L
The formula
L = gal × 3.785411784
1 US gal = 231 in³ = 3.785411784 L (exact). 1 L = 0.001 m³. These are exact definitions, so the only rounding is in the displayed result (10 significant digits).
When you need it
US gallons to liters is useful for aquariums, home-brewing, rainwater barrels (often 55 gal) and fuel. Multiply by 3.785411784, the exact size of the 231-cubic-inch US gallon.