Translation guide
An ounce is a unit of weight used in the US and UK. In Japanese, it is usually expressed using the loanword オンス, but the metric system is standard, so conversions may be needed.
To refer to the imperial/US customary unit of weight equal to about 28.35 grams.
The standard loanword for ounce. Used in contexts like cooking, precious metals, and product labels. Most Japanese people are familiar with it, though the metric system is more common.
To refer to a fluid ounce, a unit of volume (about 29.6 ml in the US, 28.4 ml in the UK).
While オンス is understood, Japan officially uses the metric system. For everyday conversations, converting to grams or milliliters is often clearer. In cooking, Japanese recipes use grams and milliliters, so you may need to convert when following a recipe from an English source.
このレシピにはバターが4オンス必要です。
This recipe requires 4 ounces of butter.
The price of gold is $2000 per ounce.
Since Japan uses the metric system, it's often more natural to convert ounces to grams. 1 ounce ≈ 28.35 grams. Use this when precision is needed or when talking to someone unfamiliar with imperial units.
It's about 28 grams.
This steak is about 10.6 ounces.
The technical term for fluid ounce. Used in scientific or precise contexts. In everyday conversation, people might just say オンス and rely on context.
This can contains 12 fluid ounces of soda.
In Japan, volume is measured in milliliters. 1 US fluid ounce ≈ 29.6 ml. Converting makes it easier for Japanese speakers to understand.
It's about 30 milliliters.