Gallons to Litres Converter
Convert gallons to litres instantly with formula and worked examples.
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Convert US gallons (gal) to litres (L) instantly. This is one of the most commonly needed conversions in the volume category, required in engineering, science, and everyday life across different measurement systems.
Understanding gal and L
Us gallons and litres are both units of volume. gal is part of the imperial system, while L belongs to the metric system. The exact conversion factor is 3.78541 (0.264172 in reverse).
When You Need This Conversion
This conversion is needed when working with international specifications, reading metric measurements in a imperial country, or using equipment calibrated in different units.
How to Use This Calculator
- Open the Unit Converter
Navigate to the converter and select '{cat.title()}' from the category dropdown.
- Select gal as source
Choose US gallons as your starting unit.
- Enter your value in gal
Type the number you want to convert.
- Select L as target
Choose litres to see the result instantly.
- Read the result
The converted value appears immediately with full precision.
Applications
Fuel Economy
15 gal tank = 56.78 L. US vehicle specs in gallons.
Aquariums
55 gal tank = 208.2 L. Tank sizes differ by country.
Paint
5 gal = 18.93 L. US paint sold by gallon; AU by litre.
Converting Gallons to Litres for Scientific Applications
Our converter tool can also be used for scientific applications, such as converting the volume of chemicals or gases from gallons to litres. This is important for accurately measuring and calculating quantities in laboratory settings.
Frequently Asked Questions
How do you convert US gallons to litres?
Multiply by 3.78541. 10 US gal = 37.85 L.
Imperial gallons to litres?
Multiply by 4.54609. 10 imp gal = 45.46 L.
How many US gallons in 100 litres?
100 ÷ 3.78541 = 26.42 US gal.
Can I convert gallons to litres for a specific product?
Yes, you can use our converter tool to convert the volume of a specific product, such as gasoline or water, from gallons to litres.
How do I convert gallons to litres for cooking purposes?
When cooking, it's important to use the correct unit of measurement for ingredients. Convert gallons to litres to ensure accurate measurements and results in your recipes.