Convert
Dox
← All Tools
🏛
Roman Numeral Converter
Convert numbers to Roman numerals and back — instantly
🔒
No files stored
🛡
HTTPS encrypted
⚡
Works in your browser
🆓
100% free, no signup
Number → Roman
Roman → Number
Enter a Number (1–3999)
Result
Result will appear here...
Quick Examples
4
→
IV
9
→
IX
14
→
XIV
40
→
XL
90
→
XC
400
→
CD
900
→
CM
1000
→
M
1999
→
MCMXCIX
2024
→
MMXXIV
Roman Numeral Reference
I
1
V
5
X
10
L
50
C
100
D
500
M
1,000