41 in Roman numerals

41 in Roman numerals is XLI.

Pick any whole number from 1 to 3,999.

41 = \text{XLI}

How to work it out

1
Take the biggest Roman value that fits, write its letter, subtract it, and repeat.
2
Here: 40 (XL) + 1 (I) = 41.
3
Joined together: XLI. (Four of the same letter in a row is never used: 4 is IV, 9 is IX, 40 is XL, 90 is XC, 400 is CD, 900 is CM.)

Value	Letters
40	XL
1	I

What is 41 in Roman numerals?

XLI.

How do you read XLI?

XLI = 40 + 1 = 41.