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Gallons to Liters Converter

Free instant gal → L converter. No signup, no uploads — everything is calculated privately in your browser.

1 gal = 3.78541 liters

1 gallons = 3.78541 liters

Free, instant, and 100% private — every calculation runs in your browser. Nothing is uploaded.

Quick Answer

1 gallon equals 3.78541 liters. To convert gallons to liters, multiply the value by 3.785411784.

Key Facts

  • Exact factor: 1 gallon = 3.785411784 liters.
  • Formula: 1 gallon = 3.78541 liters. Formula: value × 3.785411784.
  • Reverse: 1 liter = 0.26417205235814845 gallons.
  • All volume units here are US customary; imperial (UK) cups and gallons are larger.

Gallons to Liters Formula

1 gallon = 3.78541 liters. Formula: value × 3.785411784

Example: 1 gal → 3.78541 L. Type any value in the converter above to see it converted live.

Gallons to Liters Conversion Table

Gallons (gal)Liters (L)
1 gal3.78541 L
2 gal7.57082 L
5 gal18.9271 L
10 gal37.8541 L
25 gal94.6353 L
50 gal189.271 L
100 gal378.541 L
250 gal946.353 L
500 gal1,892.71 L
1,000 gal3,785.41 L

Frequently Asked Questions

1 gallon = 3.78541 liters. Formula: value × 3.785411784. Enter the value above and the result appears instantly — the calculation runs entirely in your browser.

Exactly: 1 gallon = 3.785411784 liters. The reverse factor is 1 liter = 0.26417205235814845 gallons.

1 gal = 3.78541 L; 10 gal = 37.8541 L; 100 gal = 378.541 L. Use the full conversion table below for more reference values.

No, and the difference matters. This converter uses US customary measures: 1 US cup = 236.588 mL and 1 US gallon = 3.785411784 L. An imperial cup is 284 mL and an imperial gallon is 4.546 L, so recipes from the UK may need adjusting.

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