Gallons to Liters Converter

Fast and accurate conversion from Gallons to Liters.

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Frequently Asked Questions

How do you convert gallons to liters?

To convert gallons to liters, multiply by 3.78541. The formula is: liters = gallons × 3.78541. For example, 5 gallons = 5 × 3.78541 ≈ 18.93 liters.

How many liters are in a gallon?

There are approximately 3.785 liters in one US gallon. The exact conversion factor is 3.785411784, but 3.785 is commonly used for practical purposes.

Why do fuel prices differ between countries?

Fuel is priced per gallon in the US and per liter in most other countries. Converting between these measurements helps understand true fuel costs when comparing prices internationally.

How do I convert liters back to gallons?

To convert liters to gallons, divide by 3.78541. The formula is: gallons = liters ÷ 3.78541. For example, 20 liters = 20 ÷ 3.78541 ≈ 5.28 gallons.

When should I use gallons vs liters for volume?

Use gallons for US fuel and liquid measurements. Use liters for international measurements, scientific contexts, and most countries worldwide.