Unit Conversion

US gallons to Liters

1 US gallon = 3.7854 liters. Type any value below for an instant conversion.

Enter a value to convert.

How to convert US gallons to liters

Multiply the US gallon value by 3.7854:

liters = US gallons × 3.7854

Example: 10 gal × 3.7854 = 37.8541 L. Going the other way, divide by 3.7854 (or multiply by 0.264172) — or use our liters to US gallons converter.

Conversion table

US gallonsLiters
1 gal3.7854 L
2 gal7.5708 L
3 gal11.3562 L
5 gal18.9271 L
8 gal30.2833 L
10 gal37.8541 L
12 gal45.4249 L
16 gal60.5666 L
20 gal75.7082 L
25 gal94.6353 L
50 gal189.27 L
100 gal378.54 L
250 gal946.35 L
500 gal1,892.71 L
750 gal2,839.06 L
1,000 gal3,785.41 L

About these units

US gallon (gal) and liter (L) are both units of volume. Liters and milliliters are the international standard; gallons, cups, and fluid ounces here are US customary measures (UK imperial versions differ slightly).

Need a different pair? Try the full unit converter.

Related: Liters to US gallons · Milliliters to US fluid ounces · US fluid ounces to milliliters · US cups to milliliters · Milliliters to US cups · Liters to milliliters