Understanding unit conversions is essential, especially when dealing with cooking measurements, beverages, and liquid products. One common question is: what is 12 oz in ml?
If you need to convert 12 fluid ounces (oz) to milliliters (ml), this guide will explain everything you need to know.
12 oz to ml – Quick Answer
✅ 12 fluid ounces (oz) = 354.88 milliliters (ml)
This is based on the US fluid ounce measurement. However, different regions use slightly different ounce measurements, which we’ll explore below.
Understanding Ounces and Milliliters
Before diving deeper into conversions, let’s clarify the difference between ounces (oz) and milliliters (ml).
What Is an Ounce (oz)?
An ounce (oz) is a unit of volume mainly used in the United States and the United Kingdom to measure liquids. There are two main types:
- US Fluid Ounce – Commonly used in American recipes and product labels.
- UK (Imperial) Fluid Ounce – Used in the United Kingdom, with a slightly different volume.
What Is a Milliliter (ml)?
A milliliter (ml) is a unit of volume in the metric system. It is widely used in most countries and is the standard unit for measuring liquids in scientific and medical fields.
How to Convert 12 oz to ml
The conversion factor depends on whether you’re using US fluid ounces or UK (Imperial) fluid ounces.
US Fluid Ounces to Milliliters
✅ 1 US fluid ounce = 29.5735 ml
✅ 12 US fluid ounces = 12 × 29.5735 ml = 354.88 ml
UK Fluid Ounces to Milliliters
✅ 1 UK fluid ounce = 28.4131 ml
✅ 12 UK fluid ounces = 12 × 28.4131 ml = 340.96 ml
Common Uses of 12 oz in ml Conversion
1. Coffee and Beverages
A standard medium-sized coffee cup in the US often holds 12 oz, which equals about 355 ml.
2. Cooking and Baking
Many recipes list ingredients in ounces, but measuring cups may show milliliters. Knowing that 12 oz is approximately 355 ml can help with accurate ingredient measurements.
3. Water and Hydration
If you track your water intake, knowing that 12 oz is nearly 355 ml makes it easier to meet hydration goals.
4. Bottled Drinks and Packaging
Some beverage bottles label volume in ounces, while others use milliliters. For example, a 12 oz soda can holds 355 ml of liquid.
How to Convert Other Fluid Ounces to Milliliters
For quick reference, here are some common conversions:
| Ounces (oz) | Milliliters (ml) (US) | Milliliters (ml) (UK) |
|---|---|---|
| 1 oz | 29.57 ml | 28.41 ml |
| 8 oz | 236.59 ml | 227.30 ml |
| 12 oz | 354.88 ml | 340.96 ml |
| 16 oz | 473.18 ml | 454.61 ml |
| 32 oz | 946.35 ml | 909.22 ml |
Tips for Accurate Liquid Measurements
✔ Use a Measuring Cup – Choose one with both oz and ml markings for convenience.
✔ Check Product Labels – Some drinks list volume in both units to help with conversion.
✔ Use Online Converters – If unsure, quick online tools can help with fast conversions.
Final Thoughts
Knowing that 12 oz equals 354.88 ml (US) or 340.96 ml (UK) is useful for cooking, drinking, and measuring liquids accurately. Whether you’re following a recipe, tracking hydration, or shopping for beverages, this simple conversion can make everyday tasks easier.