Welcome to OZ TO ML Converter the fastest, most accurate online tool for converting fluid ounces (oz) to milliliters (mL) and back. Whether you are

cooking, baking, mixing drinks, or measuring medicine, our free converter gives you the exact answer in seconds.

Convert Any Volume Instantly and Free

No sign-up. No downloads. No math required. Just enter your value and get your result.

Key Features

• Instant oz to mL conversion results appear as you type
• Supports both US customary (1 fl oz = 29.57 mL) and UK imperial (1 fl oz = 28.41 mL) standards
• Reverse conversion: mL to fl oz in one click
• Toggle between decimal and whole-number precision
• Quick-reference table for the most common fluid ounce values
• Works on any device desktop, tablet, or smartphone
• 100% free, with no registration required

Who Uses This Tool?

• Home cooks and bakers scaling international recipes
• Bartenders and mixologists measuring cocktail ingredients
• Healthcare professionals and caregivers measuring liquid medication
• Students and teachers working on science or math problems
• Travelers comparing product sizes sold in different countries

Why oz and mL Matter

The United States uses fluid ounces as a standard unit of liquid volume, while most of the world and all scientific fields uses milliliters. When a UK recipe calls for 200 mL of milk but your measuring cup shows ounces, you need a reliable converter. That is exactly what we built.

US vs. UK Fluid Ounces- What Is the Difference?

A US fluid ounce equals 29.5735 mL. A UK (imperial) fluid ounce equals 28.4131 mL. The difference is small but matters in precise applications like baking or pharmaceuticals. Our tool lets you switch between both standards with a single click.

Start Converting Now

Use the converter at the top of this page. Enter your fluid ounce value, choose your standard (US or UK), and get your milliliter result instantly. Bookmark this page for quick access whenever you need it.