Base 36 to Roman numerals Converter

Type a base 36 number to see it in Roman numerals. Below: how the conversion works, a worked example and a conversion table.

73 base 36 = CCLV Roman numerals

How to convert base 36 to Roman numerals

Go through decimal: first multiply each digit by 36 raised to the power of its position (counting from 0 on the right) and add the results; then repeatedly take away the largest Roman value that fits (1000 = M, 900 = CM, 500 = D, 400 = CD, 100 = C, 90 = XC, 50 = L, 40 = XL, 10 = X, 9 = IX, 5 = V, 4 = IV, 1 = I) and write down its symbol.

Example: 73 to Roman numerals

Step 1: Base 36 to decimal

Multiply each digit by 36 to the power of its position (0 on the right), then add:

DigitPlace valueDigit × place
7361 = 36252
3360 = 13

252 + 3 = 255

Step 2: Decimal to Roman numerals

Take away the largest Roman value that fits, write its symbol, and repeat until nothing is left:

RemainingTake awayWrite
255100C
155100C
5550L
55V

Result: 255 = CCLV in Roman numerals.

Base 36 to Roman numerals table

Base 36Roman numerals
1 I
2 II
3 III
4 IV
5 V
6 VI
7 VII
8 VIII
9 IX
A X
B XI
C XII
D XIII
E XIV
F XV
G XVI
H XVII
I XVIII
J XIX
K XX
U XXX
14 XL
1E L
2I XC
2S C
B4 CD
DW D
P0 CM
RS M
1JA MCMXC
1JK MM
1K8 MMXXIV
1K9 MMXXV
1KA MMXXVI
333 MMMCMXCIX

Base 36 to other systems

Other systems to Roman numerals

Reverse conversion

Frequently asked questions

How do you convert base 36 to Roman numerals?

Go through decimal: first multiply each digit by 36 raised to the power of its position (counting from 0 on the right) and add the results; then repeatedly take away the largest Roman value that fits (1000 = M, 900 = CM, 500 = D, 400 = CD, 100 = C, 90 = XC, 50 = L, 40 = XL, 10 = X, 9 = IX, 5 = V, 4 = IV, 1 = I) and write down its symbol.

What is 73 in Roman numerals?

73 in base 36 is CCLV in Roman numerals.

What is the largest number in standard Roman numerals?

3,999, written MMMCMXCIX. Larger numbers need extra notation such as a bar over a letter to multiply it by 1,000.