Liters to US Gallons Converter
Convert liters to US gallons instantly with our free online tool. Ideal for fuel economy, water usage, and liquid measurements. Accurate L to gal results.
Volume ConverterThe quick answer for 1 Liters — type any value below for the exact result
Liters
US Gallons
L to gal Conversion Formula
To convert liters to US gallons, multiply the liter value by 0.264172. Note: This converts to US liquid gallons (1 US gallon = 3.78541 liters). The UK (imperial) gallon is larger at 4.54609 liters.
Liters and US Gallons Explained
Liters (l)
The liter (L) is the metric unit of volume equal to one cubic decimeter — the space taken up by a cube measuring 10 cm on each side. It is the everyday liquid measure for most of the world: fuel pumps, beverage bottles, and engine fluids across Europe, Asia, Africa, and Latin America are all labeled in liters. One liter holds about a quarter of a US gallon, or roughly 33.8 US fluid ounces.
Where it is used: Used worldwide for fuel, drinks, cooking, and scientific work; standard on product labels everywhere except the United States, Liberia, and Myanmar.
Origin: Introduced in France in 1795 as the volume of one kilogram of water at its melting point, and redefined in 1964 as exactly one cubic decimeter.
US Gallons (gal_us)
The US liquid gallon is the primary volume unit in the United States, defined as exactly 3.78541 liters (231 cubic inches). It divides into 4 quarts, 8 pints, or 16 cups, and a gallon of water weighs about 8.34 pounds at room temperature. Gas pumps, milk jugs, paint cans, and pool chemical labels in the US all quote gallons.
Where it is used: Everyday liquid measurement across the United States — fuel, milk, paint, and water — plus a few countries such as Liberia and some Caribbean states.
Origin: Descends from the English wine gallon fixed at 231 cubic inches by a 1707 statute; America kept it while Britain later switched to the larger imperial gallon (4.54609 L).
Liters to US Gallons Conversion Table
| Liters (l) | US Gallons (gal_us) |
|---|---|
| 0.5 l | 0.1320860884 gal_us |
| 1 l | 0.2641721769 gal_us |
| 2 l | 0.5283443537 gal_us |
| 3 l | 0.7925165306 gal_us |
| 5 l | 1.3208608843 gal_us |
| 10 l | 2.6417217686 gal_us |
| 20 l | 5.2834435372 gal_us |
| 38 l | 10.0385427206 gal_us |
| 50 l | 13.2086088429 gal_us |
| 100 l | 26.4172176858 gal_us |
| 200 l | 52.8344353716 gal_us |
| 500 l | 132.086088429 gal_us |
| 1000 l | 264.172176858 gal_us |
| 5000 l | 1320.8608842899 gal_us |
US Gallons to Liters Conversion Table
| US Gallons (gal_us) | Liters (l) |
|---|---|
| 0.5 gal_us | 1.892705 l |
| 1 gal_us | 3.78541 l |
| 2 gal_us | 7.57082 l |
| 3 gal_us | 11.35623 l |
| 5 gal_us | 18.92705 l |
| 10 gal_us | 37.8541 l |
| 20 gal_us | 75.7082 l |
| 50 gal_us | 189.2705 l |
| 55 gal_us | 208.19755 l |
| 100 gal_us | 378.541 l |
Liters to US Gallons in Everyday Objects
Common real-world examples that make Liters and US Gallons easy to picture at a glance.
| Liters (l) | US Gallons (gal_us) | |
|---|---|---|
| Two-liter soda bottle | 2 l | 0.5283443537 gal_us |
| Compact car fuel tank | 50 l | 13.2086088429 gal_us |
| Office water jug | 18.92705 l | 5 gal_us |
| Ten-gallon aquarium | 37.8541 l | 10 gal_us |
| Backyard rain barrel | 208.19755 l | 55 gal_us |
| Large canning stockpot | 12 l | 3.1700661223 gal_us |
When You Need Liters to US Gallons Conversions
Comparing fuel prices between countries
European pumps price diesel per liter while US pumps post per gallon. Seeing €1.75/L abroad? Multiply liters by 0.264172 to express that fill-up in gallons — a 60 L tank is 15.85 US gal — so you can judge the price against what you pay at home.
Renting a car overseas
Rental spec sheets abroad list tank sizes like 50 L or 40 L. Converting 50 L to 13.21 US gallons tells you real-world range expectations when you are used to thinking in 12- or 15-gallon tanks, and helps budget fuel for a road trip itinerary.
Sizing a water heater or softener
US appliance brochures rate water heaters in gallons (40, 50, 80 gal) while import spec sheets use liters. Converting 80 gal back and forth — 80 gal is 302.8 L — keeps you from buying a tank far too small or large for a household that showers on metric habits.
Stocking an imported aquarium
European aquarium kits are rated in liters (100 L, 240 L), but US filter media, heaters, and water conditioners dose per gallon. A 240 L tank is 63.4 US gallons, and using that converted figure on every chemical label keeps the tank's stocking and dosing consistent.
Related Volume Conversions
How to Use
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1
Enter Liters
Type the liter value you want to convert — common entries include fuel tank sizes (50 L), water bottles (1.5 L), or pool volumes (10,000 L)
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2
View US Gallons
The equivalent US gallon value appears instantly. For example, 50 L converts to about 13.21 US gal
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3
Copy or Swap
Copy the result or click Swap to convert gallons back to liters
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4
Check US vs UK
Remember this tool converts to US gallons. For UK (imperial) gallons, multiply liters by 0.219969 instead
Why Use Be Converter?
Instant Conversion
Get precise liter to US gallon results in real-time as you type — perfect for fuel and liquid calculations
US & UK Gallon Clarity
Clearly converts to US liquid gallons (3.78541 L) and notes the UK imperial gallon (4.54609 L) difference so you never mix them up
Conversion Table
Quick reference with common values like 3.8 L (1 gal), 19 L (5 gal), and 208 L (55 gal drum)
Bidirectional
Easily swap between liters and gallons with one click for reverse conversions
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Frequently Asked Questions
How many US gallons are in 1 liter?
What is the difference between US and UK gallons?
How do I convert my car fuel consumption from liters to gallons?
How many gallons is a standard 5-gallon water jug in liters?
Is this tool free to use?
What is 100 liters in US gallons?
Is 2 liters half a gallon?
How many US gallons is a 10,000-liter swimming pool?
About Liters to Gallons Converter
Our free online liters to gallons converter provides instant, accurate volume conversions between the metric liter and the US gallon. Whether you are comparing fuel prices between countries, sizing a water heater, calculating pool chemical doses, or filling a recipe that uses different measurement systems, this tool gives you precise results. The liter is the standard metric unit for volume used worldwide, while the US gallon is the primary liquid volume unit in the United States. Our converter uses the exact US liquid gallon definition of 3.78541 liters and clearly distinguishes it from the UK imperial gallon (4.54609 liters) to avoid confusion.
Expert Tips for L to gal Conversion
For quick mental math: 4 liters is slightly more than 1 US gallon (3.785 L = 1 gal). So divide liters by 4 and add about 5% for a rough estimate
When comparing fuel prices internationally, remember US gas is sold per US gallon while most countries sell per liter. A $4.00/gal US price equals roughly $1.06/liter
A standard US bathtub holds about 80 gallons (302 L), while a typical washing machine uses 20-30 gallons (76-114 L) per load
For UK users: if your recipe says "1 gallon," check whether it means a US gallon (3.78 L) or an imperial gallon (4.55 L) — the 20% difference can ruin a recipe
55-gallon drums are a global shipping standard — they hold exactly 208.2 liters. This is one of the few contexts where gallons are used internationally