Volume Converter

Convert between 25+ volume units instantly. From milliliters to barrels, cups to cubic meters. Includes cooking, scientific, and industrial volume units with real-world comparisons.

🧪 Volume Converter

Current Volume

All conversions use standard definitions. US and Imperial gallons differ. Cooking measurements use US standards unless noted otherwise.

Volume ValueL

Converted VolumemL

Conversion Factor

1 L = 1000 mL

📊 Result

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Enter a volume value and select units to see instant conversion with all-unit breakdown, cooking equivalents and real-world volume comparisons.

📋 Volume Conversion Table

Icon	Unit	Symbol	Value	Category

🧪 All Volume Units

📊 Common Volume References

FAQs

How many mL in a liter?▼

There are exactly 1,000 milliliters in 1 liter. A liter is the base metric unit for volume in everyday use. 1 liter also equals 1 cubic decimeter (1 dm3).

What is the difference between US and Imperial gallon?▼

A US gallon = 3.78541 liters while an Imperial gallon = 4.54609 liters. The Imperial gallon is about 20% larger. The US uses US gallons, while the UK historically used Imperial gallons.

How many cups in a liter?▼

There are approximately 4.227 US cups in 1 liter. 1 US cup = 236.588 mL. In cooking, 4 cups is roughly 1 liter (946 mL vs 1000 mL).

What is a fluid ounce?▼

A US fluid ounce = 29.5735 mL. An Imperial fluid ounce = 28.4131 mL. There are 128 US fl oz in a US gallon and 160 Imperial fl oz in an Imperial gallon.

How many tablespoons in a cup?▼

There are 16 US tablespoons in 1 US cup. 1 US tablespoon = 14.787 mL. 3 teaspoons = 1 tablespoon. These are standard US cooking measurements.

What is a barrel?▼

A standard oil barrel = 158.987 liters (42 US gallons). This is the standard unit for crude oil trading worldwide. A beer barrel in the US = 117.348 liters (31 US gallons).

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