Volume Converter
Kitchen, fuel and tank volumes between metric and US/UK units.
Your numbers
Your results
Milliliters
Milliliters
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Liters
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Cubic meters
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US teaspoons
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US tablespoons
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US fluid ounces
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US cups
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US quarts
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US gallons
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Imperial gallons
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Volume Converter by TheCalcTools
How the Volume Converter works
Enter a volume and choose its unit.
US customary and imperial gallons are listed separately because they differ by about 20%.
All values pass through liters.
The formula
result = value × (factor of the ‘from’ unit ÷ factor of the ‘to’ unit)1 US gal = 3.785411784 L, 1 US cup = 0.2365882365 L, 1 imperial gal = 4.54609 L
Worked example
Using the default values shown in the calculator:
| Value | 1 |
|---|---|
| From | US gallons |
- 1 US gallons equals 3785.41 Milliliters ; 3.7854 Liters ; 0.003785 Cubic meters.
Result:
| Milliliters | 3785.41 |
|---|---|
| Liters | 3.7854 |
| Cubic meters | 0.003785 |
| US teaspoons | 768.0000 |
| US tablespoons | 256.0000 |
| US fluid ounces | 128.0000 |
| US cups | 16.0000 |
| US quarts | 4.0000 |
| US gallons | 1.0000 |
| Imperial gallons | 0.832674 |
Frequently asked questions
How many liters is a US gallon?
3.785411784 liters. An imperial (UK) gallon is 4.54609 liters.
How many tablespoons in a cup?
16 US tablespoons make one US cup.
Sources and further reading
- NIST: Guide for the Use of the International System of Units (SI)
- Wikipedia: United States customary units
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This calculator gives estimates for information only. Check important results independently before you rely on them. See our disclaimer.