ProCalcHubEvery Calculation Made Simple
Conversion

US Gallons to Liters Converter

1 US gallon = 3.785411784 L. Enter any value to convert US gallons (gal) to liters (L), or use the table below for common values.

Results

1 gal =3.785411784 LUS gallons → liters
1 gal3.785411784 L
1 L0.2641720524 gal
Formula
L = gal × 3.785411784
1 gal in other units
UnitValue
milliliters (mL)3,785.411784
liters (L)3.785411784
cubic meters (m³)0.003785411784
US teaspoons (tsp)768
US tablespoons (tbsp)256
US fluid ounces (fl oz)128
US cups (cup)16
US pints (pt)8
US quarts (qt)4

Formula

L = gal × 3.785411784

Example: 10 gal = 37.85411784 L. To convert the other way, use gal = L × 0.2641720524.

Quick mental estimate: multiply by about 3.8.

US Gallons to Liters conversion table

US Gallons (gal)Liters (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
15 gal56.78117676 L
20 gal75.70823568 L
25 gal94.6352946 L
30 gal113.5623535 L
40 gal151.4164714 L
50 gal189.2705892 L
75 gal283.9058838 L
100 gal378.5411784 L
250 gal946.352946 L
500 gal1,892.705892 L
1,000 gal3,785.411784 L

About US gallons and liters

The US gallon is exactly 231 cubic inches, about 3.785 liters. Fuel and milk are sold by the gallon in the US; the UK imperial gallon is about 4.546 liters.

The liter is one cubic decimeter (1,000 cm³). Beverages, fuel and engine sizes are commonly measured in liters.

Other Volume conversions

Liters → US GallonsReverse conversionMilliliters → LitersmL → LCubic Meters → Litersm³ → LUS Teaspoons → Literstsp → LUS Tablespoons → Literstbsp → LUS Fluid Ounces → Litersfl oz → LUS Cups → Literscup → LUS Pints → Literspt → LUS Quarts → Litersqt → LUS Gallons → Millilitersgal → mLUS Gallons → Cubic Metersgal → m³US Gallons → US Teaspoonsgal → tspUS Gallons → US Tablespoonsgal → tbspUS Gallons → US Fluid Ouncesgal → fl ozUS Gallons → US Cupsgal → cupUS Gallons → US Pintsgal → ptUS Gallons → US Quartsgal → qt

Frequently asked questions

How do I convert US gallons to liters?

Use the formula L = gal × 3.785411784. For example, 10 gal = 37.85411784 L.

What is 1 US gallon in liters?

1 gal = 3.785411784 L.

How do I convert liters back to US gallons?

Use gal = L × 0.2641720524. 1 L = 0.2641720524 gal.