Measure every pour
Volume converter.
Convert liters, milliliters, US gallons, cups, quarts, teaspoons, and fluid ounces with clear results as you type.
Volume calculator
How much does it hold?
1 liter is about 0.264172 US gallons.
Popular pairs
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Quick reference
Liters at a glance.
Everyday equivalents in metric and US customary units.
| Liters | Milliliters | US cups | US fluid ounces | US gallons |
|---|---|---|---|---|
| 0.25 | 250 | 1.05669 | 8.45351 | 0.066043 |
| 0.5 | 500 | 2.11338 | 16.9070 | 0.132086 |
| 1 | 1,000 | 4.22675 | 33.8140 | 0.264172 |
| 2 | 2,000 | 8.45351 | 67.6280 | 0.528344 |
| 4 | 4,000 | 16.9070 | 135.256 | 1.05669 |
Useful formula: 1 US gallon = 3.785411784 liters · 1 US fl oz ≈ 29.5735 mL
Volume, explained
Good to know.
Quick answers for the units and measures you use most.
How many liters are in a US gallon?
One US liquid gallon is exactly 3.785411784 liters.
How do I convert US fluid ounces to milliliters?
Multiply US fluid ounces by about 29.5735 to get milliliters.
Does the volume converter support decimals?
Yes. Enter whole or decimal values greater than or equal to zero.
Are these US or imperial volume units?
The gallon, cup, teaspoon, quart, and fluid ounce units on this page use US customary measurements. Imperial fluid units are different.