Ounces โ†” Milliliters Converter

Convert between fluid ounces and milliliters instantly

Enter US fluid ounces value to convert to milliliters
Enter milliliters value to convert to fluid ounces
Conversion Result
8 oz = 236.59 ml
1 cup โ€ข 0.5 pint โ€ข 0.25 quart โ€ข 0.0625 gallon

๐Ÿ“š Ounces โ†” Milliliters Conversion Details

Ounces to Milliliters Formula

milliliters = ounces ร— 29.5735

To convert fluid ounces to milliliters, multiply the ounces by 29.5735.

Milliliters to Ounces Formula

ounces = milliliters รท 29.5735

To convert milliliters to fluid ounces, divide the milliliters by 29.5735.

Bidirectional Conversion

This converter works both ways simultaneously:

  • Type in ounces โ†’ milliliters updates automatically
  • Type in milliliters โ†’ ounces updates automatically
  • No buttons to click - works as you type

Common Uses

  • Cooking and baking recipes
  • Cocktail and drink measurements
  • Medical dosages
  • Cosmetics and perfumes

๐Ÿ“ How This Converter Works

This is a bidirectional converter that works in real-time:

  1. Ounces โ†’ Milliliters: When you type in the ounces field, the milliliters field automatically updates
  2. Milliliters โ†’ Ounces: When you type in the milliliters field, the ounces field automatically updates
  3. No swapping needed: Both conversions happen simultaneously
  4. Real-time: Updates happen as you type, no button clicks required
// Bidirectional Conversion Logic:
milliliters = ounces ร— 29.5735
ounces = milliliters รท 29.5735

// Example 1: Type "8" in ounces
milliliters = 8 ร— 29.5735 = 236.588

// Example 2: Type "500" in milliliters
ounces = 500 รท 29.5735 = 16.907

๐Ÿ“Š Conversion Table

Fluid Ounces Milliliters Common Equivalent
1 oz 29.57 ml 1 shot glass
2 oz 59.15 ml 1/4 cup
4 oz 118.29 ml 1/2 cup
8 oz 236.59 ml 1 cup
16 oz 473.18 ml 1 pint / 2 cups
32 oz 946.35 ml 1 quart / 4 cups

โš ๏ธ Important Notes

Note: This converter uses US fluid ounces (fl oz), which are different from:

  • UK fluid ounces: 1 UK fl oz = 28.4131 ml
  • Dry ounces (weight): Used for measuring weight, not volume
  • Troy ounces: Used for precious metals (1 troy oz = 31.1035 g)

For cooking and most everyday uses, US fluid ounces are standard in the United States.

โ“ Frequently Asked Questions

Q: How many milliliters are in one fluid ounce?

A: There are approximately 29.5735 milliliters in one US fluid ounce.

Q: Is this converter using US or UK fluid ounces?

A: This converter uses US fluid ounces (1 fl oz = 29.5735 ml). UK fluid ounces are slightly larger at 28.4131 ml per ounce.

Q: How does the bidirectional conversion work?

A: Both input fields work simultaneously. When you change the ounces value, milliliters updates automatically. When you change the milliliters value, ounces updates automatically. No swap button needed.

Q: Do I need to click any button to convert?

A: No! The conversion happens automatically as you type in either field.