Volume conversion

Liters to gallons converter calculator

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1 liter equals 0.264172 US gallons or 0.219969 UK (imperial) gallons. US and UK gallons are different sizes, so the destination unit matters. A US gallon is 3.78541 liters; a UK gallon is 4.54609 liters.

Featured liters to gallons converter answer

Formula: 1 liter = 0.264172 gallons (US). Open the live calculator to convert any value.

Formula

1 liter = 0.264172 gallons (US)

The two definitions diverge by historical accident. The US gallon was set to 231 cubic inches in 1707; the British imperial gallon was redefined in 1824 as the volume of 10 lbs of water at 62°F, which works out to about 4.546 liters.

Common values

FromTo
1 L0.2642 US gal / 0.2200 UK gal
2 L0.5283 US gal / 0.4399 UK gal
5 L1.3209 US gal / 1.0998 UK gal
10 L2.6417 US gal / 2.1997 UK gal
20 L5.2834 US gal / 4.3994 UK gal
50 L13.2086 US gal / 10.9985 UK gal
100 L26.4172 US gal / 21.9969 UK gal
200 L52.8344 US gal / 43.9938 UK gal
500 L132.0860 US gal / 109.9846 UK gal
1000 L264.1721 US gal / 219.9692 UK gal

Background

When you see 'gallon' in a recipe, fuel pump, or product spec, check the country: US gallons in the US and some Latin American contexts; imperial gallons in the UK, Ireland, and several Commonwealth countries. The metric world uses liters everywhere.

Common use cases

  • Convert fuel or liquid-storage volumes from liters into US gallons.
  • Translate recipe and batching quantities between metric and US volume units.
  • Compare tank, jug, and container labels that switch between liters and gallons.

Frequently asked questions

How many gallons is 1 liter?

1 liter is 0.264172 US gallons or 0.219969 imperial (UK) gallons.

Are US and UK gallons the same?

No. A US gallon is 3.78541 liters; an imperial (UK) gallon is 4.54609 liters. The imperial gallon is about 20% larger.

How many US gallons is 10 liters?

10 liters is 2.64172 US gallons.

Why are US and UK gallons different?

Historical drift. The US kept the older 'wine gallon' of 231 cubic inches; the UK switched to the imperial gallon in 1824 (defined by 10 lbs of water). Both stuck.

Which gallon do car fuel-efficiency numbers use?

US MPG figures use US gallons; UK MPG figures use imperial gallons. A car rated 30 UK MPG is roughly 25 US MPG. Always check the source country before comparing.

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Authoritative references

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