Should You Capitalise Units of Measurement Named After People?

Last updated Jan 22, 2024
By Gwenydd Jones

Do you know the capitalisation rules for units of measurement named after people? Why not test yourself? Which of these is incorrect?

Suricata with magnifying glass and the message "should you capitalise units of measurement named after people?"

a) The system operates at 100 pascals of pressure.

b) The system operates at 100 Pascals of pressure.

c) The system operates at 100 Pa of pressure.

d) Pascals are used to measure pressure.

Scroll down for the answer.

Answer to the quiz: Should You Capitalise Units of Measurement Named After People?

Capitalisation of SI units named after people. The general consensus is that if the unit is named after a person, the symbol is capitalised (first letter only), but the spelled-out word is not capitalised (unless it begins a sentence) because it isn’t a proper noun. Examples include newton (N), pascal (Pa), joule (J), watt (W).

So, B is incorrect.

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Written by Gwenydd Jones

Gwenydd Jones is a Spanish- and French-to-English translator, an SEO blogger and a course creator. She is the founder of The Translator's Studio and the lead teacher on its courses. Connect with Gwenydd on LinkedIn or contact her through this website.

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