Gallons to Liters Converter
Free online gallons to liters converter. Instantly convert gal (US) to L with formula, conversion table, and step-by-step examples.
Reviewed by UnitKick Editorial Team · Last updated
Conversion Table
| Gallon (US) (gal) | Liter (L) |
|---|---|
| 1 | 3.785 |
| 5 | 18.927 |
| 10 | 37.854 |
| 20 | 75.708 |
How to Convert Gallon (US) to Liter
To convert gallon (us) to liter, use the following formula:
liters = gallons × 3.78541
Example: Convert 1 gal to L:
1 gal = 3.785 L
When to Use This GAL to LITER Converter
Use this gallon (us) to liter converter when volume conversions help compare liquid quantities, container sizes, fuel amounts, and household measurements.
- Converting liquid measurements between metric and US customary units.
- Comparing bottle, tank, or container capacities.
- Checking fuel, beverage, or cleaning-product quantities.
The formula: liters = gallons × 3.78541
Practical example: For example, 1 gal equals 3.785 liter.
Free Online Conversion Steps
Step 1: enter your GAL value. Step 2: read the LITER result.
This online converter is free. It shows the answer, formula, and common values.
Unit Conversion Formula
liters = gallons × 3.78541.
Keep extra digits while you calculate. Round only your final answer.
Unit Type and Name
GAL and LITER are units in the volume category.
Use the full converter name when you need a clear source: Gallons to Liters Converter.
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Accuracy and Rounding Notes
Volume conversions use US customary liquid units in this tool. Imperial gallons and fluid ounces are different and should not be mixed.
Check whether your source uses US or imperial volume units before converting gallons, quarts, pints, or fluid ounces.
Measurement Standards
UnitKick checks key formulas against public measurement sources. NIST provides guidance in the United States. BIPM maintains the SI unit reference.