43 in Roman Numerals

The number 43 written in Roman numerals is XLIII.

43
=
XLIII

How XLIII is built:

XL= 40
II= 2
I= 1
XLIII= 43
Reverse lookup

Looking up the other way? XLIII in Arabic numbers is 43. Use the full converter to enter any Roman numeral:

Open Roman Numeral Converter →
Nearby numbers
Frequently asked questions
What is 43 in Roman numerals?
43 in Roman numerals is XLIII. It is built from XL (40) + II (2) + I (1) = 43.
How do you write 43 in Roman numerals?
To write 43 in Roman numerals, identify the largest Roman symbols that fit: 40 = XL, 2 = II, 1 = I. Write them left to right: XLIII.
What does XLIII mean?
XLIII is the Roman numeral for 43. The symbols represent: XL = 40, II = 2, I = 1, which add up to 43.
What is the range of Roman numerals?
Standard Roman numerals cover 1 to 3,999 (I to MMMCMXCIX). Numbers outside this range cannot be represented with the classic seven symbols: I, V, X, L, C, D, M.
Convert any number

The full Roman Numeral Converter lets you convert any number from 1 to 3,999 in both directions — Arabic to Roman and Roman to Arabic — instantly in your browser.

Open Roman Numeral Converter →