Liter & Volume Converter
Convert volume into liters (litres), milliliters, cubic meters, US gallons, quarts, cups, fluid ounces, and cubic feet instantly.
Result
1 L = 0.2642 US gal
US customary liquid units are used; UK imperial units differ.
How to convert volume units
- 1
Choose the source volume unit and enter the amount.
- 2
Choose the destination unit to calculate the equivalent volume.
- 3
Use Swap units to reverse the conversion; check the US-unit note when using recipes.
Understanding volume units
Liters and milliliters are metric volume units, while US gallons, quarts, cups, and fluid ounces are US customary liquid measures. This page uses US units: one US gallon is 3.785411784 liters. UK imperial gallons and fluid ounces are larger and should not be substituted. Cubic units describe the volume of a three-dimensional space; one cubic meter equals 1,000 liters. For surface measurements, try the area converter.
Common conversions
| Volume | Equivalent |
|---|---|
| 1 L | 0.2642 US gal |
| 1 US gal | 3.7854 L |
| 1 US qt | 4 US cups |
| 1 US cup | 8 US fl oz |
| 1 m³ | 1,000 L |
Frequently asked questions
How many liters are in a US gallon?
One US liquid gallon equals exactly 3.785411784 liters.
Are liter and litre the same unit?
Yes. Liter is the US spelling and litre is the international spelling. Both use the symbol L and represent the same volume.
How do I convert volume into litres?
Select the source unit and Liters (L) as the destination. The converter maps the source value through its published factor and shows the equivalent litres instantly.
How many milliliters are in a liter?
There are exactly 1,000 milliliters in one liter.
Are US and UK gallons the same?
No. A US gallon is about 3.785 liters, while a UK imperial gallon is about 4.546 liters. This converter uses US customary units.
How many fluid ounces are in a US cup?
One US customary cup contains 8 US fluid ounces.
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Disclaimer
CalcPilot's conversions are mathematically precise estimates for everyday and planning use. Always verify critical measurements with an official source before relying on them. Review our calculation methodology and full disclaimer.