Gallons to Liters Calculator - Convert gal to L

Q: Are US gallons the same as imperial gallons?

No. The US gallon is around 3.785 liters, while the imperial gallon used in the UK is about 4.546 liters.

Q: Why do some countries use liters instead of gallons?

The metric system, which uses liters, is a global standard for consistency. The US still uses customary units like the gallon.

Q: Is this conversion useful for cooking?

Yes, if you're dealing with large volumes or international recipes, converting between gallons and liters is very handy.

Understanding Gallons to Liters Conversion

The US gallon (gal) is a unit of volume in the US customary system, commonly used for measuring liquids such as gasoline or milk. The liter (L) is part of the metric system, used globally for liquid volume measurements. The approximate conversion factor is:

1 US gallon ≈ 3.785411784 liters
1 liter ≈ 0.264172 gallons

Examples

Example 1:
5 US gallons = 5 × 3.785411784 ≈ 18.9271 liters

Example 2:
10 liters = 10 ÷ 3.785411784 ≈ 2.64172 US gallons

FAQ: Gallons to Liters

1. Are US gallons the same as imperial gallons?

No. An imperial gallon (used in the UK) is about 4.54609 liters, which differs from the US gallon (≈ 3.78541 liters).

2. Why do some countries use liters instead of gallons?

Many countries use the metric system (liters) for standardization, simplicity, and global compatibility. The US primarily uses US customary units like gallons.

3. Is this conversion useful for cooking?

Yes, especially if you follow recipes from different countries. Large volume cooking may specify gallons or liters interchangeably.