Volume Converter
Convert between liters, gallons, cups, fluid ounces, and other volume units instantly.
How to Use the Volume Converter
Select your source and target volume units, enter a value, and get the conversion instantly. Useful for cooking, science, and everyday measurements.
Volume Units Explained
- Liter (L): The standard metric unit of volume. Equal to 1,000 milliliters or 1 cubic decimeter.
- Milliliter (mL): Equal to 1/1,000 of a liter. Common for liquid measurements in cooking and medicine.
- Cubic Meter (m³): The SI unit of volume. Equal to 1,000 liters.
- US Gallon: Equal to approximately 3.785 liters. Standard in the United States.
- UK Gallon: Equal to approximately 4.546 liters. Used in the United Kingdom. Larger than the US gallon.
- Quart: Equal to 1/4 of a US gallon or approximately 0.946 liters.
- Pint: Equal to 1/2 of a quart or approximately 0.473 liters (US).
- Cup: Equal to 8 fluid ounces or approximately 236.588 mL (US).
- Fluid Ounce (fl oz): Equal to approximately 29.574 mL (US).
Volume Conversion Example
Convert 2 US gallons to liters:
- 1 US gallon = 3.78541 liters
- 2 US gallons = 2 × 3.78541 = 7.57082 liters
Similarly, to convert 500 milliliters to cups: 500 ÷ 236.588 = 2.113 cups.
Frequently Asked Questions
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One US gallon is equal to approximately 3.78541 liters. A UK (imperial) gallon is larger at approximately 4.54609 liters.
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A US gallon is approximately 3.785 liters while a UK (imperial) gallon is approximately 4.546 liters. The UK gallon is about 20% larger than the US gallon.
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There are approximately 4.227 US cups in one liter. For cooking, many people round this to about 4 cups per liter.
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One US cup equals 8 US fluid ounces. One UK cup (metric) equals approximately 8.45 UK fluid ounces.
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One cubic meter equals exactly 1,000 liters. This is useful for understanding water tank capacities and large volume measurements.