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Liter to Gallon Converter

Enter the value that you want to convert liter (L) to gallon (gal) or gallon to liter.Also written as L to GAL conversion.

1 liter = 0.2641721 gallon

Formula: gallon = liter value × 0.2641721

L to GALliter to gallon

L
2.64172gal

10 liter = 2.64172 gallon

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Liter to Gallon: The Essentials

The Liter Explained

Liter (L) is a unit of volume measurement. 1 liter is equal to 0.2641721 gallon.

The Gallon Explained

Gallon (gal) is a unit of volume measurement. 1 gallon is equal to 3.7854118 liter.

Volume Measurement Systems

Volume units are particularly confusing because the US and UK gallons differ (US gallon = 3.785 L, UK gallon = 4.546 L), as do their pints, cups, and fluid ounces. Cooking, fuel economy, beverage production, and pharmaceutical compounding all require precise volume conversions. Laboratory work uses milliliters and liters while US recipes specify cups, tablespoons, and fluid ounces.

liter to gallon metric conversion table

0.01 L=0.00264 gal
0.1 L=0.02642 gal
1 L=0.26417 gal
2 L=0.52834 gal
3 L=0.79252 gal
4 L=1.05669 gal
5 L=1.32086 gal
6 L=1.58503 gal
7 L=1.84920 gal
8 L=2.11338 gal
9 L=2.37755 gal
10 L=2.64172 gal
11 L=2.90589 gal
12 L=3.17006 gal
13 L=3.43424 gal
14 L=3.69841 gal
15 L=3.96258 gal
16 L=4.22675 gal
17 L=4.49092 gal
18 L=4.75510 gal
19 L=5.01927 gal
20 L=5.28344 gal
30 L=7.92516 gal
40 L=10.56688 gal
50 L=13.20860 gal
60 L=15.85032 gal
70 L=18.49204 gal
80 L=21.13376 gal
90 L=23.77548 gal
100 L=26.41721 gal
200 L=52.83441 gal
300 L=79.25162 gal
400 L=105.66882 gal
500 L=132.08603 gal
600 L=158.50323 gal
700 L=184.92044 gal
800 L=211.33764 gal
900 L=237.75485 gal
1000 L=264.17205 gal

How to Convert L to GAL (Liter to Gallon)?

We can convert liter to gallon by using an example.

Example:

Convert 20 Liter to Gallon?

We know 1 Liter = 0.2641721 gallon; 1 Gallon = 3.7854118 liter.

20 liter = ___gal

20 × 0.2641721 = 5.28344 gal (we know 1 liter = 0.2641721 gallon)

Answer:

20 liter = 5.28344 gallon

How to Convert Liters to US Gallons (Step-by-Step)

Converting liters to US gallons is common when shopping for beverages internationally, calculating pool chemical doses in US measurements, or understanding European fuel consumption figures. One liter equals approximately 0.264172 US gallons.

  1. Write down the volume in liters.
  2. Divide the liter value by 3.78541 (or multiply by 0.264172).
  3. The result is the equivalent volume in US gallons.
  4. Round to 2-3 decimal places for practical use.
💡 Tip: For a quick mental estimate, divide liters by 4 and add 5%. A 2-liter bottle is roughly half a gallon (actually 0.528 gallons).

Common Liters to US Gallons Conversions

Handy reference for everyday liter-to-gallon conversions encountered in shopping, cooking, and automotive contexts:

LiterGallon
1 L0.264 gal
2 L0.528 gal
4 L1.057 gal
10 L2.642 gal
20 L5.283 gal
50 L13.209 gal
60 L15.850 gal
1,000 L264.172 gal

Solved Examples: Liters to Gallons

Question 1: A European car has a 55-liter fuel tank. How many US gallons?

Solution:

Volume in gallons = liters ÷ 3.78541

= 55 ÷ 3.78541

= 14.529 gallons

Answer: A 55-liter tank holds approximately 14.53 US gallons.

Question 2: A recipe calls for 1.5 liters of water. Convert to gallons.

Solution:

Volume in gallons = 1.5 ÷ 3.78541

= 0.396 gallons

Answer: 1.5 liters ≈ 0.40 gallons (about 6.3 cups).

Question 3: Fuel in Germany costs €1.65/liter. What is the equivalent per US gallon?

Solution:

Price per gallon = price per liter × 3.78541

= €1.65 × 3.78541

= €6.25 per gallon

Answer: €1.65/liter = €6.25 per US gallon.

Practice Questions

Try solving these on your own to test your understanding:

  1. Convert 8 liters to US gallons. (Answer: 2.114 gal)
  2. A pool holds 45,000 liters. How many gallons? (Answer: 11,888 gal)
  3. Convert 750 mL (0.75 L) to gallons. (Answer: 0.198 gal)
  4. How many gallons are in 100 liters? (Answer: 26.417 gal)
  5. A water tank holds 2,500 liters. Express in gallons. (Answer: 660.43 gal)

International Fuel Price Comparison

Fuel is sold by the liter in most countries but by the gallon in the US. To compare: multiply the per-liter price by 3.785 to get the per-gallon equivalent. For example, if petrol in the UK costs £1.50/liter, that equals £5.68 per US gallon (about $7.10 USD). This explains why Americans traveling to Europe often experience sticker shock at fuel stations.

Pool and Spa Chemical Dosing

Pool chemicals in the US are dosed per 10,000 gallons, while international products use per-10,000-liter dosing. A standard backyard pool holds about 40,000-80,000 liters (10,500-21,000 gallons). When using US-labeled pool chemicals with a metric pool volume, divide your liters by 3.785 first to determine the correct dosage amount.

Common Beverage Sizes in Liters vs. Gallons

Beverages worldwide are sold in metric sizes that don't convert to neat gallon fractions: a 330 mL can = 0.087 gal, a 500 mL bottle = 0.132 gal, a 750 mL wine bottle = 0.198 gal, and a 2 L soda = 0.528 gal. In the US, milk is still commonly sold by the half-gallon (1.893 L) and gallon (3.785 L), which are unusual sizes in metric countries.

Key Takeaways

  • Divide liters by 3.78541 (or multiply by 0.264172) to get US gallons.
  • Quick estimate: divide liters by 4, then add 5%.
  • A 2-liter soda bottle is about half a US gallon.
  • European car tanks (50-60 L) hold roughly 13-16 US gallons.
  • For fuel prices: multiply €/liter by 3.785 to get €/gallon.
  • Always specify US or UK gallons — they differ by about 20%.

Liter to Gallon Conversion Formula

gallon = liter × 0.2641721

1 liter = 0.2641721 gallon

1 gallon = 3.7854118 liter

Reverse: liter = gallon × 3.7854118

Frequently Asked Questions

How many gallon are in 1 liter?

There are 0.2641721 gallon in 1 liter. To convert liter to gallon, multiply the value by 0.2641721.

How do I convert liter to gallon?

Multiply your liter value by 0.2641721 to get the equivalent in gallon. For example, 5 liter = 5 × 0.2641721 = 1.32086 gallon.

How do I convert gallon to liter?

Multiply your gallon value by 3.7854118 to get the equivalent in liter. Alternatively, divide by 0.2641721.

What is 10 liter in gallon?

10 liter is equal to 2.64172 gallon.

What is 100 liter in gallon?

100 liter is equal to 26.41721 gallon.