Fluid Ounces to mL Converter
How to convert fluid ounces to mL
Using US customary definitions, 1 fluid ounce ≈ 29.57352956 mL. Multiply the starting value by 29.57352956 to get the result in mL; results are rounded to up to 6 decimal places.
Quick reference table
| US fluid ounces (fl oz) | Milliliters (ml) |
|---|---|
| 1 | 29.57353 |
| 5 | 147.867648 |
| 10 | 295.735296 |
| 25 | 739.338239 |
| 50 | 1478.676478 |
| 100 | 2957.352956 |
Frequently Asked Questions
How many mL are in 1 fluid ounce?
1 fluid ounce (US) ≈ 29.57352956 mL. Other values use the same proportional conversion.
Does the fluid ounce-to-mL conversion vary by country?
This page uses US customary definitions: 1 tbsp ≈ 14.79 mL, 1 tsp ≈ 4.93 mL, 1 fl oz ≈ 29.57 mL, 1 pint ≈ 473 mL, 1 quart ≈ 0.946 L and 1 gallon ≈ 3.785 L. UK imperial units (for example 1 pint ≈ 568 mL) and spoon sizes in other countries differ slightly, so check the recipe source.
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Why use a volume converter?
Recipes, drink formulas, product labels and technical specifications often use different volume units. This tool puts US teaspoons, tablespoons, cups, pints, quarts and gallons alongside milliliters, liters and cubic units for quick checks.
tsp, tbsp, fl oz, cup, pt, qt and gal use US customary liquid definitions. One US cup is about 236.588 ml, while a metric recipe cup is commonly 250 ml, so check the recipe source.
Common reference values
- 1 L = 1,000 ml
- 1 m³ = 1,000 L
- 1 US tbsp is about 14.7868 ml
- 1 US gal is about 3.78541 L
Fluid Ounces to mL Converter
Use this when a drink, baby bottle, cosmetic or perfume label shows fl oz and you need milliliters. Fluid ounces measure volume, not weight, so they differ from the ounce on a kitchen scale.