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Gallons to Liters Converter

1 gal = 3.785411784 l. Type any value to convert gallons to liters.

1 gal = 3.785411784 l

Formula: l = gal × 3.785411784

Common values
Decimals
In every unit 21 units
Milliliter (ml) 3,785.411784 ml
Centiliter (cl) 378.5411784 cl
Deciliter (dl) 37.85411784 dl
Liter (l) 3.785411784 l
Cubic centimeter (cm³) 3,785.411784 cm³
Cubic meter (m³) 0.003785411784 m³
Teaspoon (US) (tsp) 768 tsp
Tablespoon (US) (tbsp) 256 tbsp
Fluid ounce (US) (fl oz) 128 fl oz
Cup (US) (cup) 16 cup
Metric cup (cup (250 ml)) 15.14164714 cup (250 ml)
Pint (US) (pt) 8 pt
Quart (US) (qt) 4 qt
Gallon (US) (gal) 1 gal
Fluid ounce (UK) (UK fl oz) 133.2278695 UK fl oz
Pint (UK) (UK pt) 6.661393477 UK pt
Gallon (UK) (UK gal) 0.8326741846 UK gal
Cubic inch (in³) 231 in³
Cubic foot (ft³) 0.1336805556 ft³
Cubic yard (yd³) 0.004951131687 yd³
Barrel of oil (bbl) 0.02380952381 bbl

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Gallons to liters table

Formula: l = gal × 3.785411784

Gallon (US) (gal)Liter (l)
0.1 gal0.3785411784 l
0.25 gal0.946352946 l
0.5 gal1.892705892 l
1 gal3.785411784 l
2 gal7.570823568 l
3 gal11.35623535 l
4 gal15.14164714 l
5 gal18.92705892 l
6 gal22.7124707 l
7 gal26.49788249 l
8 gal30.28329427 l
9 gal34.06870606 l
10 gal37.85411784 l
12 gal45.42494141 l
15 gal56.78117676 l
20 gal75.70823568 l
25 gal94.6352946 l
30 gal113.5623535 l
40 gal151.4164714 l
50 gal189.2705892 l
60 gal227.124707 l
75 gal283.9058838 l
100 gal378.5411784 l
150 gal567.8117676 l
200 gal757.0823568 l
250 gal946.352946 l
500 gal1,892.705892 l
1,000 gal3,785.411784 l

How to use: Gallons to Liters

  1. 1 Type the value in gallons.
  2. 2 The result in liters appears at once – or type in the liters field to convert back.
  3. 3 Pick a common value, round to fewer decimals or swap the units with one click.
  4. 4 Copy the result, or open “In every unit” to see the value in all units of volume.

About this tool

Gallon (US) (gal) is a unit of volume (US customary); 1 gal = 0.003785411784 m³. Liter (l) is a unit of volume (metric, accepted for use with the SI); 1 l = 0.001 m³.

To convert gallons to liters, multiply the value by 3.785411784 (l = gal × 3.785411784). Example: 5 gal = 18.92705892 l.

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Frequently asked questions

How do I convert gallons to liters?

To convert gallons to liters, multiply the value by 3.785411784: l = gal × 3.785411784. For example 5 gal = 18.92705892 l.

What is 1 gal in liters?

1 gal = 3.785411784 l. The other way round, 1 l = 0.2641720524 gal.

How exact is the result?

The converter uses the official definitions of both units and shows up to 10 significant digits; choose 0–6 decimals to round. Both units are defined exactly in terms of each other, so the factor itself is exact.

Can I convert other units of volume here?

Yes – choose any of the 21 units of volume in the From and To lists, or switch to another measurement at the top.