5 gallons to liters

Updated July 2026

5 gallons equals 18.9271 L

5 US gallons = 18.9271 L. That is how many liters there are in 5 US gallons. Enter any value in the free volume converter to convert US gallons to liters (and every other unit) instantly — it runs privately in your browser.

Formula: Multiply by 3.7854 — 1 US gallon = 3.7854 liters. So 5 × 3.7854 = 18.9271 L.

gallons to liters conversion table

US gallon (gal)liters (L)
2 gal7.5708 L
3 gal11.3562 L
4 gal15.1416 L
5 gal18.9271 L
6 gal22.7125 L
7 gal26.4979 L
8 gal30.2833 L

Frequently asked questions

How many liters is 5 US gallons?
5 US gallons is 18.9271 liters. Multiply gallons by 3.7854 to get liters.
What is 5 gallons to liters?
5 US gallons = 18.9271 L.
How do you convert gallons to liters?
Multiply by 3.7854 — 1 US gallon = 3.7854 liters. So 5 × 3.7854 = 18.9271 L.

Other gallons to liters conversions

Convert 5 gallons to other units