How do you write 1999 in Roman numerals?

1999 is written MCMXCIX in Roman numerals: M (1,000) + CM (900) + XC (90) + IX (9).

Is MIM correct for 1999?

No. MIM is a common shortcut, but I may only come before V or X, not M. The correct form is MCMXCIX.

How do you write '99 in Roman numerals?

The last two digits of 1999 are written XCIX.

Year · 20th century

1999 in Roman numerals

1999 is written MCMXCIX

Type any other number or numeral below to convert it.

Above 3,999? Type the barred part in brackets, e.g. (IV)CC = 4,200.

How MCMXCIX is built

Roman numerals are written one decimal place at a time, largest first.

Mthousands · 1M is 1,000.
CMhundreds · 9C before M means 1,000 − 100 = 900. This saves writing DCCCC.
XCtens · 9X before C means 100 − 10 = 90. This saves writing LXXXX.
IXones · 9I before X means 10 − 1 = 9. This saves writing VIIII.

1,000 + 900 + 90 + 9 = 1,999

The pairs CM and XC and IX use subtraction: a smaller letter before a larger one is taken away from it. Only six pairs work this way: IV, IX, XL, XC, CD and CM. More on subtraction

Mistakes to avoid

Not MIM. It looks like a shortcut, but I may only come before V or X, not M. The correct form is MCMXCIX.
Not MDCCCCLXXXXVIIII (16 letters). That adds everything up without subtraction. The Romans sometimes wrote numbers this way, and clocks still show 4 as IIII, but today MCMXCIX (7 letters) is the standard.

1999 for a tattoo or engraving

Shortened to two digits ('99), it's XCIX. Many date tattoos use this shorter form.
MCMXCIX has 7 letters. 54 of the 201 years from 1900 to 2100 are longer.
1999 was not a leap year (365 days), and 1 January 1999 was a Friday.

Write a full date in 1999 Add it to a clock face

See MCMXCIX in tattoo lettering

MCMXCIX in ten open-source fonts, on your skin tone, ready to download or print as a stencil.

Years around 1999

Within the 1990s, every year starts MCMXC (1,990).

Number	Roman numeral
1995	MCMXCV
1996	MCMXCVI
1997	MCMXCVII
1998	MCMXCVIII
1999	MCMXCIX
2000	MM
2001	MMI
2002	MMII
2003	MMIII