liters to gallons (US) Converter
Type a value in liters and get the answer in gallons (US) instantly — or convert the other way. The conversion uses the exact relationship 1 liters = 0.264172 gallons (US), the same formula used in textbooks and engineering references.
Liters are the metric unit for fuel and drinks; US gallons remain the standard at American pumps and supermarkets. One US gallon is exactly 3.785411784 liters, so a liter is about a quarter of a gallon.
How to use
- Type your value into the liters box — the gallons (US) result updates as you type.
- To go the other direction, type into the gallons (US) box instead and read the liters result.
- Copy the result with one tap, or scan the reference table below for common values.
Frequently asked questions
How do you convert liters to gallons (US)?
Multiply the number of liters by 0.264172. For example, 10 liters = 2.64172 gallons (US). The converter above does this for you and shows more decimal places than you will ever need.
How many gallons (US) are in one liters?
Exactly 0.264172 gallons (US). This is a fixed definition, not an approximation, so the conversion is exact at any scale.
Is this converter accurate for professional use?
Yes — it uses full double-precision arithmetic and the official liters-to-gallons (US) factor, so results are reliable for schoolwork, cooking, fitness, travel and technical work.
Can I convert gallons (US) back to liters?
Yes. The converter is two-way: just type in the second box and the first box updates instantly with the reverse conversion.