Used and loved by millions

Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

diameter of mm

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "diameter of mm" is not correct in written English as it lacks a numerical value before "mm." You can use it when specifying the diameter of an object, but it must include a measurement.
Example: "The diameter of 10 mm is suitable for this application."

⚠ May contain grammatical issues

Science

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

The cables have an elastic modulus of 195 GPa a length of 8.3 m, a diameter of mm, and a capacity of 600 kN.

Human-verified similar examples from authoritative sources

Similar Expressions

59 human-written examples

The nest has a mean internal diameter of 71.5 mm (range 64-78 MarinMarin 2011).

The length of the tube is 110 mm with diameter of 35 mm.

Science & Research

Nature

The concrete samples were cast into a cylindrical shape with a height of 200 mm and diameter of 100 mm.

Physical characteristics of the collagen sponges: 3 mm height, diameter of 5 mm, average pore size: 100 200 μm.

Crossflow microfiltration study was conducted using an indigenously developed ceramic multichannel element with a diameter of 35 mm, length of 200 mm and channel diameter of 4 mm.

This is an intramedullary device which is 200 mm long with a proximal diameter of 15 mm and a distal diameter of 10 mm.

In this tube, four, five mm long, tubes, with an outer diameter of 0.8 mm and inner diameter of 0.5 mm, were inserted.

In the former construct, the outer tube was nine mm long and with an outer diameter of three mm and inner diameter of two mm.

The PET film was formed into an annulus, with an outer diameter of 24 mm, inner diameter of 20 mm and thickness of 0.06 mm.

One is with a diameter of 22 mm and height of 30 mm, the other is with a diameter of 48 mm and height of 60 mm.

Show more...

Expert writing Tips

Best practice

Always include a numerical value before "mm" when specifying a measurement to avoid grammatical errors and ensure clarity.

Common error

Avoid using "diameter of mm" without a specific numerical value. This omission creates a grammatically incomplete phrase. Provide the exact measurement to maintain accuracy.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

84%

Authority and reliability

2.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "diameter of mm" attempts to specify a dimension. However, it fails to function correctly because it omits the numerical value. Ludwig AI flags this as incorrect, highlighting that a numerical value must precede the "mm" to denote a specific measurement.

Expression frequency: Rare

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Academia

0%

Ludwig's WRAP-UP

The phrase "diameter of mm" is grammatically incorrect and lacks clarity because it does not include a numerical value. Ludwig AI indicates that this omission constitutes an error. When specifying dimensions in millimeters, ensure that a numerical value precedes the "mm" to provide a complete and accurate measurement. Consider using alternative phrases like "diameter in millimeters" or "diameter of [number] mm" to avoid this error and improve the precision of your writing.

FAQs

How should I correctly use "diameter of mm" in a sentence?

The phrase "diameter of mm" is incomplete without a numerical value. A correct usage would be "diameter of 10 mm" or "the diameter in mm is 10".

What is a more appropriate way to specify a diameter in millimeters?

Instead of "diameter of mm", use phrases like "diameter in millimeters", "diameter of [number] mm", or "size in mm".

What is the difference between "diameter of mm" and "diameter in millimeters"?

"Diameter of mm" is grammatically incorrect as it lacks a numerical value. "Diameter in millimeters" is the correct way to specify that the measurement is in millimeters.

Is "diameter of mm" ever acceptable in technical writing?

No, "diameter of mm" is not acceptable in technical writing due to its lack of precision and grammatical incompleteness. Always provide a numerical value for clarity.

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

Editing plus AI, all in one place.

Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.

Source & Trust

84%

Authority and reliability

2.5/5

Expert rating

Real-world application tested

Most frequent sentences: