Roman Numeral — XXXIII (33) — free printable diagram

What is XXXIII in Roman numerals?

XXXIII is the Roman numeral for 33 — thirty-three. Written the other way round, 33 in Roman numerals is XXXIII.

Roman numeral

XXXIII

Number

33

In words

thirty-three

Symbols used

I = 1, X = 10

Written as

X (10) + X (10) + X (10) + I (1) + I (1) + I (1)

• XXXIII is built from X (10) + X (10) + X (10) + I (1) + I (1) + I (1), which adds up to 33.
• Roman numerals are read from left to right, adding each symbol as you go, except where the subtraction rule applies.