“Micrometer” or “Micrometre”—What's the difference?

Usage by country

Where each spelling is used

Of the 12 countries below, 12 prefer “micrometer” and 0 prefer “micrometre”. Usage levels are out of 100; the more common spelling in each country is in bold.

Usage level out of 100 (if available).
Country	micrometer	micrometre	Preference
United States	100	0	“micrometer”
United Kingdom	92	8	“micrometer”
India	87	13	“micrometer”
Philippines	100	0	“micrometer”
Canada	91	9	“micrometer”
Australia	87	13	“micrometer”
Liberia	100	0	“micrometer”
Ireland	100	0	“micrometer”
New Zealand	93	7	“micrometer”
Jamaica	100	0	“micrometer”
Trinidad & Tobago	100	0	“micrometer”
Guyana	100	0	“micrometer”

Usage

Examples in context

Real sentences for each spelling. Hover an example to copy it.

“micrometer”

…dimensions at or below 1 micrometer, or manipulate components on the…
…a diameter of only one micrometer.
…was sometimes used with a micrometer microscope.
…primary sensor is a 1.12 micrometer with supporting sensor of 1.75…
…snap gauge or an indicating micrometer and may be quickly preset…
…nanometers (several tenths of a micrometer) apart, along their path.
The technique uses a one micrometer diameter open tip glass micropipette…
…is sensitive to the 10.4 micrometer wavelength.
…powders typically have sizes from micrometers to above 100 micrometers, the…
…the electronic wavelength (nano- to micrometer).

“micrometre”

…capture small particles (< 1 micrometre)
…the cut to under a micrometre.
…of the mandrel within one micrometre.
…centimetre of aperture and per micrometre of wavelength produced by a…
…oval watchglass less than a micrometre in size, was imaged with…
…UFP can reach into the micrometre range.
…smaller particle size, around one micrometre (um), compared to the effect…
…(190-275 nanometre) and infrared (3-4 micrometre) spectrophotometers, radiation sensors (gas-discharge and…
…from 0 to (about 5 micrometre wavelength) by applying voltage to…
…used to deposit very thin (micrometre to nanometer scale) layers of…

Examples are Wikipedia snippets under the CC ShareAlike 3.0 license.

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