Roman Numeral — XLI (41) — free printable diagram

What is XLI in Roman numerals?

XLI is the Roman numeral for 41 — forty-one. Written the other way round, 41 in Roman numerals is XLI.

Roman numeral

XLI

Number

41

In words

forty-one

Symbols used

I = 1, X = 10, L = 50

Written as

XL (40) + I (1)

• XLI is built from XL (40) + I (1), which adds up to 41.
• XL uses the subtraction rule: a smaller symbol before a larger one is taken away, so X before L means 50 − 10 = 40.
• Roman numerals are read from left to right, adding each symbol as you go, except where the subtraction rule applies.