# L to Gal Calculator

Convert liters to US gallons and imperial gallons. Also shows quarts, pints, and cups. 1 liter = 0.2642 US gal. Quick reference table included.

## What this calculates

Convert liters to both US and imperial gallons instantly. The calculator also shows quarts, pints, and cups so you have every common volume unit at a glance.

## Inputs

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

## Outputs

- **US Gallons** (US gal) — Volume in US liquid gallons.
- **Imperial Gallons** (imp gal) — Volume in imperial (UK) gallons.
- **US Quarts** (qt) — Volume in US quarts.
- **US Pints** (pt) — Volume in US pints.
- **US Cups** (cups) — Volume in US cups.

## Details

The liter is the standard metric unit of volume, while gallons are used in the US and UK. However, the US gallon and imperial gallon are different sizes, which can cause confusion.

**Key Conversion Factors:**
- 1 liter = 0.264172 US gallons
- 1 liter = 0.219969 imperial gallons
- 1 US gallon = 3.78541 liters
- 1 imperial gallon = 4.54609 liters

**Common Liter to Gallon Conversions:**

| Liters | US Gallons | Imperial Gallons |
|--------|-----------|------------------|
| 1 L | 0.2642 gal | 0.2200 gal |
| 2 L | 0.5283 gal | 0.4399 gal |
| 3.785 L | 1.0 gal | 0.8327 gal |
| 5 L | 1.3209 gal | 1.0998 gal |
| 10 L | 2.6417 gal | 2.1997 gal |
| 20 L | 5.2834 gal | 4.3994 gal |
| 50 L | 13.2086 gal | 10.9985 gal |
| 100 L | 26.4172 gal | 21.9969 gal |

**Quick mental shortcut:** 4 liters is just a hair over 1 US gallon (actually 1.057 gal). So to estimate liters to US gallons in your head, divide by 4 and add about 5%.

## Frequently Asked Questions

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

A: One liter equals about 0.2642 US gallons or 0.2200 imperial (UK) gallons. Put another way, it takes about 3.785 liters to make one US gallon and 4.546 liters for one imperial gallon.

**Q: What is the difference between a US gallon and an imperial gallon?**

A: A US gallon is 3.78541 liters, while an imperial gallon is 4.54609 liters. The imperial gallon is about 20% larger. The US uses US gallons, while the UK historically used imperial gallons (though liters are now more common there).

**Q: How do I convert liters to cups?**

A: Divide the liters by 0.236588, or multiply by about 4.227. For example, 2 liters = about 8.45 US cups. A quick approximation: 1 liter is roughly 4.25 cups.

**Q: Is a quart close to a liter?**

A: Yes, a US quart (0.946 liters) is about 95% of a liter. For rough estimates, you can treat 1 quart as 1 liter. The difference is only about 5%, which is close enough for many everyday purposes.

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Source: https://vastcalc.com/calculators/conversion/l-to-gal
Category: Conversion
Last updated: 2026-04-08