1 gal = 3.785 L
1 gal is 3.785 L. To convert US gallons to liters, multiply by 3.78541. Change the number below for any other value.
- The same number of liters in US gallons
- 0.2642 gal
Saved setups
Save a set of inputs you reuse — your usual rate, your loan, your room sizes — and load it back in one tap.
Your recent calculations
Results you calculate here are kept on this device so you can come back to them.
US gallons to liters near 1 gal
How it is worked out
Liters = US gallons × 3.78541
1 gal = 3.78541 L
1 gal × 3.78541 = 3.785 L
Good to know
In your head: 1 × 3.8 ≈ 3.8 L.
Questions people ask
How many L is 1 gal?
1 gal is 3.785 L.
How do I convert US gallons to liters?
Multiply by 3.78541. For example, 1 gal × 3.78541 = 3.785 L.