🛢️ Gallon ↔ Liter Converter

Free Gallon to Liter Converter

Easily convert gallons to liters and vice versa. Essential for fuel economy, international shopping, and cooking recipes!

🛢️Gallon and Liter Relationship Definition

1 US gallon equals approximately 3.785 liters. Gallons are used in the US for measuring fuel, milk, and beverages. Note: Imperial gallon (UK) is about 4.546 liters, which is different.

1 gallon = 0 L

1 gallon = 3.78541 L

Quick Reference

GallonLiterGallonLiter
0.250.95518.93
0.51.891037.85
13.791556.78
27.572075.71
311.362594.64
415.1430113.56

📝How to Use

1

Enter value

Enter gallon or liter value to convert.

2

Select direction

Choose gallon→liter or liter→gallon direction.

3

View result

Converted value displays automatically.

📊Examples

1 Gallon Milk

1 gallon

About 3.785L

Car Fuel

10 gallons

About 37.85L

2L Water Bottle

2 L

About 0.528 gallon

Frequently Asked Questions

How many liters in 1 gallon?

1 US gallon is approximately 3.785 liters.

How many gallons in 1 liter?

1 liter is approximately 0.264 gallons.

Difference between US and UK gallon?

US gallon is 3.785L, UK gallon is 4.546L. About 20% difference.

What is MPG in fuel economy?

MPG means Miles Per Gallon - distance traveled per gallon of fuel. Different from km/L.

💡활용 팁

  • Quick estimate: gallon × 4 ≈ liters for mental math.
  • US gas stations sell fuel by the gallon.
  • 1 gallon of milk = about 3.8 liters.
  • 1/4 gallon in recipes = about 1 liter.