Volume & Capacity

Fluid Ounces to Milliliters

Convert fl oz to mL quickly with this free online calculator. The page explains the conversion rule, gives practical examples and provides a quick reference table.

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CONVERTED RESULT
Decimal places
CONVERSION RULE

1 fl oz equals approximately 29.5735 mL.

How to use the Fluid Ounces to Milliliters

  1. Enter the number you want to convert.
  2. Confirm the source unit shown beside the input.
  3. Choose decimal precision if you need more or less detail.
  4. Read the converted result.
  5. Copy the result when you need to use it elsewhere.

How the conversion works

1 fl oz equals approximately 29.5735 mL.

For a simple fixed-factor conversion, the calculator multiplies the entered value by the stated factor. Temperature scales and certain specialized tools use their specific mathematical relationship instead.

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Common fl oz to mL conversions

fl ozmL
1 fl oz29.57353 mL
2 fl oz59.147059 mL
5 fl oz147.867648 mL
10 fl oz295.735296 mL
20 fl oz591.470591 mL
50 fl oz1,478.676478 mL

Example

For example, entering 1 fl oz gives approximately 29.57353 mL using the rule above. Change the input to test your own value.

Frequently asked questions

The Fluid Ounces to Milliliters converts a value from fl oz to mL using the conversion relationship described on this page.
Enter your value, review the source and destination units, choose the decimal precision and read or copy the result.
1 fl oz equals approximately 29.5735 mL.
Use enough precision for your purpose. Everyday estimates usually need fewer decimal places; technical work may require more.
It can be a useful reference calculation, but safety-critical, regulated, contractual or specialized work should be verified against the applicable authoritative standard.

Accuracy note: This calculator is a practical reference. For regulated, safety-critical or specialized work, verify the result against the applicable standard.

Page reviewed: August 24, 2026.