990 in Roman numerals

The number 990 is written in Roman numerals like this: CMXC

CMXC = 990

How to write 990 in Roman numerals

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

• 900 = CM (1000 − 100)
• 90 = XC (100 − 10)

Put the parts together: CM + XC = CMXC.

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

Going the other way? See the Roman numeral CMXC.

Previous number

989 in Roman numerals: CMLXXXIX

Next number

991 in Roman numerals: CMXCI

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