Liters to Gallons
Converter
L
= US Gallons
0.2642
1 liter
Gallons (US)0.2642
Quarts1.057
Pints2.113
Fluid Ounces33.81
Milliliters1000
How Many Liters Are in a Gallon?
1 US gallon= 3.785 liters
1 Imperial gallon= 4.546 liters
1 liter= 0.2642 US gallons
½ gallon (US)= 1.893 liters
Liters to Gallons Conversion Chart
| Liters | US Gallons | Imperial Gallons |
|---|---|---|
| 1 L | 0.264 gal | 0.220 gal |
| 2 L | 0.528 gal | 0.440 gal |
| 3 L | 0.793 gal | 0.660 gal |
| 4 L | 1.057 gal | 0.880 gal |
| 5 L | 1.321 gal | 1.100 gal |
| 10 L | 2.642 gal | 2.200 gal |
| 15 L | 3.963 gal | 3.300 gal |
| 20 L | 5.283 gal | 4.399 gal |
| 25 L | 6.604 gal | 5.499 gal |
| 30 L | 7.925 gal | 6.599 gal |
| 50 L | 13.209 gal | 10.998 gal |
| 100 L | 26.417 gal | 21.997 gal |
Gallons to Liters Conversion Chart
| US Gallons | Liters | Imperial Gallons | Liters |
|---|---|---|---|
| ¼ gal | 0.946 L | ¼ gal (imp) | 1.137 L |
| ½ gal | 1.893 L | ½ gal (imp) | 2.273 L |
| 1 gal | 3.785 L | 1 gal (imp) | 4.546 L |
| 2 gal | 7.571 L | 2 gal (imp) | 9.092 L |
| 5 gal | 18.927 L | 5 gal (imp) | 22.730 L |
| 10 gal | 37.854 L | 10 gal (imp) | 45.461 L |
| 15 gal | 56.781 L | 15 gal (imp) | 68.191 L |
| 20 gal | 75.708 L | 20 gal (imp) | 90.922 L |
How to Convert Liters to Gallons — Formula
Liters → US Gallons:
gallons = liters ÷ 3.78541Liters → Imperial Gallons:
gallons = liters ÷ 4.54609Example: 10 liters ÷ 3.785 = 2.642 US gallons
Quick trick: Divide by 4 for a rough estimate — 10 L ÷ 4 ≈ 2.5 gallons (within 5%).
US Gallon vs Imperial Gallon — Key Differences
| US Gallon | Imperial Gallon | |
|---|---|---|
| In Liters | 3.785 L | 4.546 L |
| In Fluid Oz | 128 fl oz | 160 fl oz |
| In Quarts | 4 quarts | 4 quarts |
| Used in | USA, Latin America | UK, Canada, India |
| Relative size | Base | ~20% larger |
The Imperial gallon is used in the United Kingdom, Canada, and several Commonwealth countries. Always check which gallon is meant when reading fuel economy (mpg) or recipe conversions.
Real-World Liters to Gallons Examples
- 2-liter soda bottle = 0.528 US gallons (just over ½ gallon)
- Car gas tank (50 L) = 13.2 US gallons — typical sedan
- Water bottle (500 mL) = 0.132 US gallons
- Bathtub (150 L) = 39.6 US gallons
- 1-gallon milk jug = 3.785 liters
- Swimming pool (2,500,000 L) = 660,430 US gallons
- Fuel economy: 10 L/100km = 23.5 mpg (US)
Common Mistakes When Converting Liters to Gallons
- Confusing US and Imperial gallons — 1 US gallon = 3.785 L, but 1 Imperial gallon = 4.546 L. A 20% difference that matters in fuel and recipe conversions.
- Using 4 as the conversion factor — dividing by 4 gives a rough estimate (within 5%), but for large volumes like aquariums or fuel tanks, always use 3.785.
- Mixing metric and imperial mid-calculation — if you start in liters, finish in liters. Switching units partway through causes compounding errors.
- Comparing fuel economy across countries — US mpg uses US gallons; UK mpg uses Imperial gallons. European L/100km is entirely different — always convert the same unit.
Why Liters to Gallons Conversion Matters
- Fuel economy — comparing car fuel efficiency between the US and Europe requires converting L/100km to mpg or vice versa.
- Travel and purchases abroad — gas stations in most of the world price fuel per liter; knowing the gallon equivalent helps you budget.
- Cooking and recipes — international recipes often use liters for large quantities (soups, drinks, sauces) that US recipes list in gallons.
- Aquariums and tanks — aquarium sizes and dosing instructions are often in liters in Europe and gallons in the US.
Frequently Asked Questions
How many liters are in a gallon?
1 US gallon = 3.785 liters. 1 Imperial (UK) gallon = 4.546 liters. The Imperial gallon is about 20% larger than the US gallon.
How many gallons is 5 liters?
5 liters = 1.321 US gallons (or 1.100 Imperial gallons).
How many gallons is 10 liters?
10 liters = 2.642 US gallons (or 2.200 Imperial gallons).
How many gallons is 2 liters?
2 liters = 0.528 US gallons. A standard 2-liter soda bottle is just over half a US gallon.
How many liters in a half gallon?
Half a US gallon = 1.893 liters. Half an Imperial gallon = 2.273 liters.
How many gallons is 20 liters?
20 liters = 5.283 US gallons (or 4.399 Imperial gallons).
How many gallons is 50 liters?
50 liters = 13.209 US gallons. A typical sedan gas tank holds 13–18 US gallons (50–68 liters).
What's an easy way to convert liters to gallons?
Divide liters by 4 for a quick approximation (within 5% accuracy). For exact: divide by 3.785 for US gallons, or 4.546 for Imperial gallons.