Oz

usgb/ɑz/
noun

An abbreviation for 'ounce', a unit of weight.

This bag of flour weighs 16 oz.
Visual representation of "oz" - An abbreviation for 'ounce', a unit of weight

Often appears as...

  • 16 oz
  • 1 oz

Usage tips

Technical

Definition 1 of 5
Visual representation of "oz"
LampPro Tip 1/3

Measurement Clarification

Remember 'oz' for weight is different from 'fl oz' which measures volume.

Illustration for Measurement Clarification
The perfume is 3 oz, not fl oz.
LampPro Tip 2/3

Imperial vs. Metric

Oz is used in the Imperial system; most countries use grams.

Illustration for Imperial vs. Metric
Ingredients may list 100g alongside 3.5 oz.
LampPro Tip 3/3

Cultural Usage

In the US, 'oz' is common in recipes and on packaged goods.

Illustration for Cultural Usage
This snack comes in 5 oz bags.
Visual representation of the word "Oz"

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