Gallon (US) to Liter Converter

Convertisseur de Volume

40 unités disponibles

Décimales :

De

Vers

3.785412

1 gal = 3.785412 L

Formule :

L = gal × 3.785411784

With your value: 1 gal = 3.78541178 L

How big is that?

Everyday references on a logarithmic scale, all expressed in gallon (us) so you can sanity-check the result.

Milk carton (1/3.8e+3 your value)0.000264 gal

Kitchen bucket (1/3.8e+2 your value)0.00264 gal

Car fuel tank (1/76 your value)0.0132 gal

Bathtub (1/19 your value)0.0528 gal

Hot tub (1/2.5 your value)0.396 gal

Your value1.00 gal

Other Gallon (US) to Liter conversions

2 gal to L 3 gal to L 4 gal to L 5 gal to L 6 gal to L 7 gal to L 8 gal to L

Gallon (US) to Liter Tableau de Conversion

Gallon (US) (gal)	Liter (L)
0.5	1.892706
1	3.785412
2	7.570824
5	18.927059
10	37.854118
15	56.781177
20	75.708236
25	94.635295
50	189.270589
100	378.541178
250	946.352946
500	1,892.705892
1000	3,785.411784

Liter to Gallon (US) Tableau de Conversion

Liter (L)	Gallon (US) (gal)
0.5	0.132086
1	0.264172
2	0.528344
5	1.32086
10	2.641721
15	3.962581
20	5.283441
25	6.604301
50	13.208603
100	26.417205
250	66.043013
500	132.086026
1000	264.172052

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Gallon (US) (gal)

Volume

Exact conversion

The US liquid gallon is exactly 231 cubic inches = 3.785 411 784 L.

Source: NIST Handbook 44, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Liter (L)

Volume

Exact conversion

The litre is exactly 10⁻³ m³ (1 dm³) and is accepted for use with the SI.

Source: Units accepted for use with the SI, SI Brochure Table 8

Bureau International des Poids et Mesures · Reviewed 2026-07-01

How to Convert Gallon (US) to Liter

To convert from Gallon (US) (gal) to Liter (L), multiply the value by 3.785411784.

Formule : L = gal × 3.785411784

Inverse : gal = L × 0.2641720524

Exemple Étape par Étape

Start with your value in Gallon (US). For example: 5 gal
Multiply by the conversion factor: 5 x 3.785411784
The result is: 18.927059 L

À propos de Gallon (US)

The US gallon equals approximately 3.785 liters and is the standard unit for fuel and large liquid volumes in the United States.

Le saviez-vous : The US gallon is about 20% smaller than the imperial (UK) gallon.

Utilisations courantes : fuel (US), beverages, swimming pools.

À propos de Liter

The liter is a metric unit of volume equal to 1,000 milliliters or 1 cubic decimeter. It is widely used for measuring liquids.

Utilisations courantes : beverages, fuel, cooking.

Frequently Asked Questions

How many Liter are in 1 Gallon (US)?

There are exactly 3.785411784 Liter in 1 Gallon (US). This means the conversion factor from Gallon (US) to Liter is 3.785411784.

What is the formula to convert Gallon (US) to Liter?

The formula to convert Gallon (US) to Liter is: L = gal × 3.785411784. For example, to convert 10 Gallon (US) to Liter, you would multiply 10 by 3.785411784.

What is a Gallon (US)?