How do I type the Ⅿ roman numeral one thousand symbol?

On Windows, type 216F and press Alt+X. On Linux press Ctrl+Shift+U then 216f. On any system the quickest route is the copy button on this page.

What is the code for Ⅿ?

Roman Numeral One Thousand is U+216F. In UTF-8 it takes 3 bytes. The table above lists every escape format.

Will Ⅿ survive being pasted anywhere?

Not always. Roman Numeral One Thousand is a compatibility character: any system that applies Unicode NFKC normalisation — search indexes, usernames, identifiers — replaces it with M. Use it for display, not where text is normalised.

U+216F · Letter number

Roman Numeral One Thousand Symbol Ⅿ

Ⅿ is roman numeral one thousand, U+216F. Unicode records it as a compatibility form of M (compat form). It was added in Unicode 1.1, and Unicode files it under Letter number.

Codes & technical data

Unicode	`U+216F`
HTML hex	`Ⅿ`
HTML decimal	`Ⅿ`
CSS	`\216F`
JavaScript	`\u{216F}`
Python	`\U0000216F`
Java / C#	`\u216F`
Rust	`\u{216f}`
Swift	`\u{216F}`
PHP	`\u{216F}`
URL encoded	`%E2%85%AF`
UTF-8 bytes	`E2 85 AF`
UTF-16 bytes	`216F`
Base64	`4oWv`
Decimal	`8559`
Decomposes to	M (compat form)
Numeric value	1000
Category	Letter number (Nl)
Introduced	Unicode 1.1

Will Ⅿ survive being pasted?

Normalisation. No. Anything that applies NFKC — search indexes, usernames, domain names, programming identifiers — rewrites Ⅿ as M. Safe for display, not for storage.
Legacy encodings. Ⅿ is Unicode-only — it has no Latin-1 equivalent, so a system stuck on an 8-bit encoding cannot represent it.
Size. 3 bytes in UTF-8. Character-limited fields — SMS, bios, some form validators — usually count bytes, not characters.

Nearby in Number Forms

Roman numerals as single characters, and the vulgar fractions beyond the three Latin-1 supplies. A Roman numeral here is one character, not a run of letters, so Ⅷ and VIII sort and search differently.

All 58 characters in Number Forms →

How to type Ⅿ

Windows	Type `216F` then press `Alt`+`X`
macOS	Press `Ctrl`+`Cmd`+`Space`, then search for “roman numeral one thousand”
Linux	Press `Ctrl`+`Shift`+`U`, type `216f`, press `Enter`
HTML	`Ⅿ`

About Unicode’s Letter number category

This is a letter number: a character that looks like a letter but carries a numeric value, the way Roman numerals do.

Frequently asked questions

How do I type the Ⅿ roman numeral one thousand symbol?: On Windows, type 216F and press Alt+X. On Linux press Ctrl+Shift+U then 216f. On any system the quickest route is the copy button on this page.
What is the code for Ⅿ?: Roman Numeral One Thousand is U+216F. In UTF-8 it takes 3 bytes. The table above lists every escape format.
Will Ⅿ survive being pasted anywhere?: Not always. Roman Numeral One Thousand is a compatibility character: any system that applies Unicode NFKC normalisation — search indexes, usernames, identifiers — replaces it with M. Use it for display, not where text is normalised.