Gallons to Liters Converter (gal to L) Tool

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Gallons to Liters Converter

Use this free Gallons to Liters converter to quickly convert liquid volumes. Just type a value in gallons, and the result in liters updates automatically—no submit button required.

Ideal for Canadians handling U.S. recipes, beverages, or fuel measurements.

Gallons ↔ Liters Converter

Quick Conversion Table

Gallons (gal)Liters (L)
13.785
518.927
1037.854
2075.708
50189.271
100378.541

What Is a Gallon?

A gallon (gal) is a unit of volume in the US customary system (also used in the UK, but less common).

  • 1 US gallon ≈ 3.78541 liters
  • Used in:
    • Fuel measurements
    • U.S. recipes
    • Imported products

What Is a Liter?

A liter (L) is a metric unit of volume, officially used in Canada.

  • 1 L = 1000 milliliters
  • Used in:
    • Cooking and beverages
    • Fuel consumption in Canada
    • Scientific and household applications

How to Convert Gallons to Liters

Use this formula:

  • L = gal × 3.78541

Example conversions:

  • 1 gal = 3.785 L
  • 5 gal = 18.927 L
  • 10 gal = 37.854 L

How to Convert Liters to Gallons

Use this formula:

  • gal = L × 0.264172

Example conversions:

  • 1 L = 0.264 gal
  • 5 L = 1.321 gal
  • 10 L = 2.642 gal

What’s the Difference Between Metric and Imperial Systems?

Metric System:

  • Uses liters, milliliters
  • Decimal-based, official in Canada

US / Imperial System:

  • Uses gallons, quarts, pints
  • Common in the U.S. and some imported goods

Does Canada Use Gallons or Liters?

Canada officially uses liters, but gallons appear when:

  • Referring to U.S. fuel prices or travel
  • Recipes from U.S. sources
  • Imported beverages and liquids

Where Is This Conversion Commonly Used?

Fuel & Vehicles: Understanding U.S. gas consumption or fuel economy

Cooking & Beverages: Converting U.S. recipes to metric

Shopping & Packaging: Imported liquids or products labeled in gallons

Science & Education: Lab experiments or school projects

ALLREVIEW Trivia – Did You Know?

  • The U.S. gallon is defined as exactly **231 cubic inches**.
  • Canada officially uses liters, but gallons are still referenced in U.S. fuel or recipes.
  • One U.S. gallon = 16 cups.
  • The UK gallon differs from the U.S. gallon (1 UK gal = 4.546 liters).

Gallons to Liters Converter FAQs

5 gallons = 18.927 liters.

Multiply gallons by 3.78541 or use this real-time calculator.

Canada officially uses liters, but gallons appear in U.S. recipes and fuel measures.

Yes, it uses the internationally recognized conversion factor.

Yes, works on all devices with real-time updates.