Roman Numerals

Arabic → Roman

Roman → Arabic

Roman Numeral Reference

I 1

IV 4

V 5

IX 9

X 10

XL 40

L 50

XC 90

C 100

CD 400

D 500

CM 900

M 1,000

M̄V̄ 4,000

V̄ 5,000

X̄ 10,000

L̄ 50,000

C̄ 100,000

D̄ 500,000

M̄ 1,000,000

Famous Years in Roman Numerals

1776

US Independence

1969

Moon Landing

2000

Y2K

1066

Battle of Hastings

1492

Columbus arrives

1215

Magna Carta

44

Julius Caesar dies

476

Fall of Rome

1789

French Revolution

1945

WWII ends

1989

Berlin Wall falls

2024

This year