US gallons to Liters – US gallon to liter Converter

1 gal = 3.785411784 L

liters (L)3.78541

Formula

L = gal × 3.785411784

US gallons to liters conversion table

US gallons (gal)liters (L)
0.5 gal1.89271 L
1 gal3.785411784 L
2 gal7.57082 L
3 gal11.3562 L
5 gal18.9271 L
10 gal37.8541 L
20 gal75.7082 L
25 gal94.6353 L
50 gal189.271 L
75 gal283.906 L
100 gal378.541 L
250 gal946.353 L
500 gal1892.71 L
1000 gal3785.41 L
5000 gal18927.1 L

US gallons and liters are both volume units. One US gallon equals 3.785411784 liters; enter any value above for an instant result, or use the table for common conversions.

Sanity-check examples

  • 1 gal = 3.78541 L
  • 10 gal = 37.8541 L
  • 2.5 gal = 9.46353 L

Common pitfalls and look-alike units

Gallons differ: the US gallon ≈ 3.78541 L while the imperial gallon ≈ 4.546 L — about 20% apart, so check which one a recipe or fuel figure means. A US cup (~236.6 mL) is also not the metric 250 mL cup.

Frequently asked questions

How many liters are in a US gallon?

1 US gallon (gal) equals 3.785411784 liter (L).

How do I convert US gallons to liters?

Multiply the US gallon value by 3.785411784 to get liter — for example, 2 US gallons = 7.57082 liter.

How do I convert liters back to US gallons?

1 liter is approximately 0.264172 US gallon. Use the swap button or the reverse conversion page linked on this page.

Related conversions

Need more units? Try the full Unit Converter →