Roman Numeral — XLIX (49) — free printable diagram

What is XLIX in Roman numerals?

XLIX is the Roman numeral for 49 — forty-nine. Written the other way round, 49 in Roman numerals is XLIX.

Roman numeral

XLIX

Number

49

In words

forty-nine

Symbols used

I = 1, X = 10, L = 50

Written as

XL (40) + IX (9)

• XLIX is built from XL (40) + IX (9), which adds up to 49.
• XL uses the subtraction rule: a smaller symbol before a larger one is taken away, so X before L means 50 − 10 = 40.
• IX uses the subtraction rule: a smaller symbol before a larger one is taken away, so I before X means 10 − 1 = 9.
• Roman numerals are read from left to right, adding each symbol as you go, except where the subtraction rule applies.