1999 in Roman numerals

The number 1999 is written in Roman numerals like this: MCMXCIX

MCMXCIX = 1999

How to write 1999 in Roman numerals

Split the number by place value and write each part in Roman numerals:

• 1000 = M
• 900 = CM (1000 − 100)
• 90 = XC (100 − 10)
• 9 = IX (10 − 1)

Put the parts together: M + CM + XC + IX = MCMXCIX.

When a smaller symbol comes before a larger one, it is subtracted.

As a year, 1999 is written MCMXCIX. You often see dates like this in film credits, on buildings and on monuments.

Going the other way? See the Roman numeral MCMXCIX.

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1998 in Roman numerals: MCMXCVIII

Next number

2000 in Roman numerals: MM

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