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Abbreviation for Inch

What is the abbreviation for inch? If you are familiar with the metric system, it will not be as complicated for you to learn about certain abbreviations and symbols representing the different measurement units.

However, if you only follow the US system of measurement, this article will be helpful for you to help you differentiate between the two and know what each symbol means.

To start, let’s first see what an inch means.

What Is An Inch?

An inch is a unit of measurement defined by the Oxford Dictionary as a unit of length equal to 1/12th of 1 foot.

What Is The Abbreviation Of Inches?

The abbreviation of inches is relatively easy to understand. The first two letters of the word, IN indicate an inch.

For Example:

If you want to abbreviate 5 inches, it will be written as 5 in.

It is important to keep in mind that depending on the industry you are referring to with these measures, different forms of this acronym are used.

Some Of The Well-Known Variations

in – this is typically used in cooking and is one of the most common abbreviations for inches.

Example: I need to buy a 10in  cake tin tomorrow

In – this is used in metallurgy and welding trades

Example: I need a 10 In carbon steel pipe for this project

IN- you will find this abbreviation in mechanical engineering, HVAC trades, and air cargo.

in. – this is used in the field of automobile and technology

Example: We may need to extend the airstrip to 10 in. for safety reasons

In. – this is typically used in medical and dental fields and even in industries that deal with transportation

Example: The wound on his thigh was 1 In. long

What Is The Symbol For An Inch?

An inch is symbolized by using the double apostrophe (“)

For example, 5 inches can be written as 5.”

When To Use EACH

In most cases, the symbol abbreviation is used along with numbers. For example, if you want to say that a friend is 6 feet and 5 inches tall, you can abbreviate it as 6’5”. The single quotation mark symbolizes feet, and the double quotations signify inches.

It’s also a quick and easy way to denote the measurements when working or taking down quick notes.

On the other hand, letter abbreviations are typically used when you are writing academic papers. For example, if you are writing a research paper or mentioning a formula in inches, you would use the letter abbreviation. As for formal documents, it is best to mention the whole word instead of using the symbol or the abbreviation.


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About the author

Dalia Y.: Dalia is an English Major and linguistics expert with an additional degree in Psychology. Dalia has featured articles on Forbes, Inc, Fast Company, Grammarly, and many more. She covers English, ESL, and all things grammar on GrammarBrain.

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