# Liters to Gallons Converter

Convert liters to US gallons instantly. Also shows quarts, pints, cups, and fluid ounces. Exact factor: 1 L = 0.264172 gal.

## What this calculates

Convert any volume from liters to US gallons using the exact conversion factor: 1 liter = 0.264172 US gallons. This converter also displays quarts, pints, cups, and fluid ounces for complete reference.

## Inputs

- **Volume in Liters** (L) — min 0 — Enter a volume in liters.

## Outputs

- **US Gallons** (gal) — Volume in US gallons.
- **Quarts** (qt) — Volume in US quarts.
- **Pints** (pt) — Volume in US pints.
- **Cups** (cups) — Volume in US cups.
- **Fluid Ounces** (fl oz) — Volume in US fluid ounces.

## Details

The liter (L) is the standard metric unit of volume, while the US gallon is the primary volume unit for liquids in the United States. The conversion is: 1 liter = 0.264172052 US gallons (the reciprocal of 1 US gallon = 3.785411784 liters). This is essential for cooking, automotive, scientific, and everyday conversions.

Common Liter to US Gallon Conversions

Liters
US Gallons
Context

0.5 L
0.132 gal
Water bottle

1 L
0.264 gal
Standard bottle

2 L
0.528 gal
Soda bottle

3.785 L
1 gal
One US gallon

5 L
1.321 gal
Large container

10 L
2.642 gal
Bucket

20 L
5.283 gal
Jerry can

50 L
13.209 gal
Fuel tank (small car)

75 L
19.813 gal
Fuel tank (large car)

US Volume System Breakdown: 1 gallon = 4 quarts = 8 pints = 16 cups = 128 fluid ounces. So 1 liter is approximately 1.057 quarts, 2.113 pints, 4.227 cups, or 33.814 fluid ounces.

## Frequently Asked Questions

**Q: How many gallons are in a liter?**

A: One liter equals approximately 0.264172 US gallons. Conversely, one US gallon equals 3.785 liters. A liter is slightly more than one US quart (0.946 L = 1 qt).

**Q: How do I quickly estimate liters to gallons?**

A: Divide by 4 for a rough estimate (1 gallon is close to 4 liters). For better accuracy, divide by 3.8. For example, 20 liters / 3.8 = 5.26 gallons (actual: 5.28 gallons).

**Q: What is the difference between US and Imperial gallons?**

A: 1 liter = 0.264 US gallons but only 0.220 Imperial gallons. The Imperial gallon is larger (4.546 L vs 3.785 L for US). Always check which gallon system is being used, especially for fuel consumption figures.

**Q: How many cups are in a liter?**

A: One liter equals approximately 4.227 US cups. For practical kitchen use, 1 liter is often rounded to 4 cups, which is accurate to within about 5%. One metric cup (used in some countries) is exactly 250 mL, so 1 liter = exactly 4 metric cups.

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Source: https://vastcalc.com/calculators/conversion/liters-to-gallons
Category: Conversion
Last updated: 2026-04-21