Units & Special Symbols (° % ‰ Ω №) — Copy & Paste

Common unit symbols, SI prefixes and special characters used in engineering documents, technical writing and scientific reports. Copy any symbol instantly.

Symbols — copy & reference

Degree sign

Used for angles (45°), temperature (20°C) and geographic coordinates (51°N).

U+00B0 ° ^{\circ}

Percent

Denotes parts per hundred. Ubiquitous in engineering tolerances, statistics, and finance.

U+0025 % \%

‰

Per mille

Denotes parts per thousand. Used in slope gradients, blood alcohol content, and fine measurements.

U+2030 ‰ —

Micro (SI prefix)

SI prefix for 10⁻⁶. Used in μm (micrometres), μF (microfarads), μA (microamperes).

U+03BC μ \mu

Ohm

SI unit of electrical resistance. Named after Georg Simon Ohm.

U+03A9 Ω \Omega

Indicates copyright ownership of a work.

U+00A9 © —

™

Trademark

Indicates an unregistered trademark.

U+2122 ™ —

Registered trademark

Indicates a registered trademark.

U+00AE ® —

№

Number sign

Abbreviation for ‘number’ (numero sign). Common in European and engineering documents.

U+2116 № —

Section sign

Used to reference a section of a legal document, standard, or technical specification.

U+00A7 § \S

†

Dagger

Used as a footnote marker or to indicate a deceased person in references.

U+2020 † \dagger

′

Prime / Feet / Arcminutes

Denotes feet (5′), arcminutes, or the first derivative f′(x).

U+2032 ′ ‘

″

Double prime / Inches / Arcseconds

Denotes inches (12″), arcseconds, or the second derivative f″(x).

U+2033 ″ ”

How to insert in applications

Windows

Best option: copy from this page.
Or Win + . to open emoji & symbols panel.

macOS

⌃⌘Space → Character Viewer → search by name

Microsoft Word

Insert → Symbol → More Symbols → find by Unicode

Google Docs

Insert → Special characters → search by name or draw

LaTeX

Use command in math mode: $ … $

HTML

Use HTML entity or decimal code directly in markup

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