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Convert Gallon to Liter

This gallon to liter conversion tool helps you convert gallons to liters instantly. It's fast, reliable, and user-friendly, perfect for liquid measurements, cooking, or educational use.

How to Convert Gallon to Liter

To convert gallons to liters, multiply the number of gallons by 3.78541, as one gallon equals approximately 3.78541 liters.

Conversion Formula:

value * 3.78541

Understanding the Conversion

Converting gallon to liter requires multiplying by 3.78541. This conversion factor comes from the standard relationship between these volume units in our measurement system.

You'll find this conversion useful in many practical scenarios. From calculations to measurements, being able to convert gallon to liter gives you flexibility in how you express and work with volume. The conversion is always the same: multiply by 3.78541.

Conversion Examples

Example: Convert 3 gallon to liter

  1. Step 1: Identify the conversion factor. Since 1 gallon = 3.78541 liter, the conversion factor is 3.78541.
  2. Step 2: Multiply 3 gallon by 3.78541.
  3. Step 3: 3 × 3.78541 = 11.35623 liter

3 gallon = 11.35623 liter

This shows the basic conversion process using a whole number.

Example: Convert 10 gallon to liter

  1. Step 1: Conversion factor: 1 gallon = 3.78541 liter.
  2. Step 2: 10 gallon × 3.78541
  3. Step 3: Result = 37.8541 liter

10 gallon = 37.8541 liter

This demonstrates the conversion with a larger value.

Conversion Formula

The formula to convert gallon to liter is:

gallon × 3.78541 = liter

Mathematically, you can write this as:


gallon × 3.78541 liter/gallon = liter

The gallon units cancel out, leaving you with liter.

Conversion Chart

GallonLiter
14
28
311
415
519
623
726
830
934
1038
1557
2076
30114
60227
100379

Quick Conversion Tip

Quick conversion: Multiply gallon by 3.78541 to get liter. For example, 1 gallon = 3.78541 liter, 2 gallon = 7.57082 liter, 5 gallon = 18.92705 liter.

Unit Definitions

US Gallon (gal)

A US gallon is a common liquid volume unit used in the United States for fuel, beverages, and water.

1 US gallon = 3.78541 liters = 128 US fluid ounces = 16 US cups

Liter (L)

A liter is a metric volume unit equal to one cubic decimeter. It is widely used for beverages, science, and everyday measurements.

1 liter = 0.001 cubic meter ≈ 61.0237 cubic inches ≈ 0.264172 US gallons

Common Use Cases

  • Calculations: Convert gallon to liter when working with volume measurements in different units
  • Billing: Transform gallon to liter when calculating volume-based invoices or rates
  • Manufacturing: Convert gallon to liter for volume specifications in production processes
  • Engineering: Convert gallon to liter when working on projects with specific volume requirements
  • Project planning: Use gallon to liter conversion for detailed volume calculations and planning
  • Education: Transform gallon to liter for volume calculations in studies and assignments
  • Business: Convert gallon to liter for volume calculations in business and commerce