Volume unit converter
Converts volume value to different units and compares results for each unit.
Input
The example value has been entered. Check it immediately or change the value.
Input is processed in the browser. Refreshing returns a sample value.
Result
Check or change the value using the example value result.
US gal, US fl oz, and US cup are US liquid units. Different from UK gallons or metric cups. Results display up to 12 digits after the decimal point.
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Calculation·conversion criteria
Change volume units: liter, cubic meter, US gallon.
Input example
1 L = 1000 mL
1L is 1,000mL and 1m³ is 1,000L. Cups, ounces, and gallons vary by country and use, so this tool uses the indicated US liquid units.
How to use
- Use the provided example value or replace the value and input unit field.
- Click Verify result and check the following result.
- Result can be copied if needed.
Frequently Asked Questions
Is volume ounce and weight ounce the same value?
No. fl oz is volume, oz is mass. Without material density, conversion is not possible. Use a weight converter to change weight units.
Calculation criteria and reference materials
- NIST — SI unit conversion table
Conversion standards for international units and non‑SI units
Verification of calculation criteria: · Calculation·verification principles · Report errors