Direct conversion

liters to gallons Converter

Convert litres to US liquid gallons for fuel purchases, water tanks, aquariums, containers, and equipment capacities. This page uses the US liquid gallon.

liters to gallons Converter

Instant results

From value From unit Result To unit

1 liter [L] = 0.264172 gallon (US) [gal US]

Reverse conversion: gallon (US) to liter All Volume units Conversion chart Worked examples HVAC Converters

Formula Examples Table FAQ

Conversion Formula

1 liter [L] = 0.264172 gallon (US) [gal US]

Multiply litres by approximately 0.2641720524, or divide by 3.785411784. UK imperial gallons are different.

Example: 1 liter [L] equals 0.264172 gallon (US) [gal US].

Examples

1 liter [L] = 0.264172 gallon (US) [gal US]

2 liter [L] = 0.528344 gallon (US) [gal US]

5 liter [L] = 1.32086 gallon (US) [gal US]

10 liter [L] = 2.641721 gallon (US) [gal US]

20 liter [L] = 5.283441 gallon (US) [gal US]

25 liter [L] = 6.604301 gallon (US) [gal US]

Practical Uses for liters to gallons

Fuel volumeWater tanksAquariumsCooking and beveragesEquipment capacityTravel comparisons

Sources and Accuracy

Volume conversions use cubic metre as the reference unit. US liquid units, metric litres, and cubic units are converted with fixed factors stored in the unit table.

Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-08-14.

About These Units

liter [L]

Definition

The liter is a metric volume unit equal to one cubic decimeter, or 0.001 cubic meters.

History

The liter became widely used with metric measurement because it is convenient for liquid and container volumes.

Current use

Liters are used for beverages, fuel, tanks, laboratory liquids, cooking, and product packaging.

gallon (US) [gal US]

Definition

The US gallon is a liquid volume unit equal to exactly 3.785411784 liters.

History

The US gallon developed from older English wine-gallon measures and differs from the UK imperial gallon.

Current use

US gallons are common for fuel, water, paint, tanks, pools, and household liquid measurements in the United States.

How to Convert

Enter the value in the “From value” field.
Confirm the source unit is liter [L].
Confirm the target unit is gallon (US) [gal US].
Read the instant result and formula.

Practical Conversion Tips

Confirm whether the source means US or imperial gallons.
1 US gallon equals exactly 3.785411784 litres.
Tank usable capacity may be lower than nominal capacity.

liters to gallons Conversion Chart

All Volume units →

liter [L]	gallon (US) [gal US]
1	0.264172
2	0.528344
5	1.32086
10	2.641721
20	5.283441
25	6.604301
50	13.208603
100	26.417205
1000	264.172052

Frequently Asked Questions

How do I convert liter to gallon (US)?

Use this formula: 1 liter [L] = 0.264172 gallon (US) [gal US] Enter your value in the calculator and the result updates instantly.

How many gallon (US) are in 1 liter?

1 liter [L] equals 0.264172 gallon (US) [gal US].

Can I reverse this conversion?

Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.

Does this page use US or UK gallons?

It uses US liquid gallons. The UK imperial gallon is larger and needs a different conversion.

How many US gallons are in 20 litres?

20 litres is approximately 5.2834 US liquid gallons.

Convert liter to Other Units

Convert gallon (US) to Other Units

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