Hexadecimal to Duodecimal Converter

Type a hexadecimal number to see it in duodecimal. Below: how the conversion works, a worked example and a conversion table.

FF hexadecimal = 193 duodecimal

How to convert hexadecimal to duodecimal

Go through decimal: first multiply each digit by 16 raised to the power of its position (counting from 0 on the right) and add the results; then divide the number by 12 again and again and write down the remainders; read in reverse order, the remainders are the duodecimal digits.

Example: FF to duodecimal

Step 1: Hexadecimal to decimal

Multiply each digit by 16 to the power of its position (0 on the right), then add:

DigitPlace valueDigit × place
F = 15161 = 16240
F = 15160 = 115

240 + 15 = 255

Step 2: Decimal to duodecimal

Divide by 12 repeatedly and keep the remainders. Reading the remainders from the last one to the first gives the duodecimal digits:

DivisionQuotientRemainder (digit)
255 ÷ 12213
21 ÷ 1219
1 ÷ 1201

Result: 255 = 193 in duodecimal.

Hexadecimal to Duodecimal table

HexadecimalDuodecimal
0 0
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
A A
B B
C 10
D 11
E 12
F 13
10 14
11 15
12 16
13 17
14 18
15 19
16 1A
17 1B
18 20
19 21
1A 22
1B 23
1C 24
1D 25
1E 26
1F 27

Hexadecimal to other systems

Other systems to duodecimal

Reverse conversion

Frequently asked questions

How do you convert hexadecimal to duodecimal?

Go through decimal: first multiply each digit by 16 raised to the power of its position (counting from 0 on the right) and add the results; then divide the number by 12 again and again and write down the remainders; read in reverse order, the remainders are the duodecimal digits.

What is FF in duodecimal?

FF in hexadecimal is 193 in duodecimal.