Hexadecimal number 1B in decimal

"Hex to Decimal" Calculator

What is 1B hex in decimal?

Answer

Hexadecimal number 1B (0x1B) in decimal is

27

Read as an unsigned hex number — A = 10 … F = 15, case does not matter, 0x is only a prefix.

Digit × place value, then add

16¹	16⁰
16	1
1	B
	= 11

1×16 + 11×1 = 16 + 11 = 27

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See Also

Binary to Decimal Converter - Binary numbers to Decimal conversion
Decimal to Binary Converter - Decimal numbers to Binary conversion
Decimal to hex converter - Decimal numbers to Hexadecimal conversion

Recalculate with different values ↑

Hex to Dec Conversion Table

Hexadecimal Number	Number
C	12
D	13
E	14
F	15
10	16
11	17
12	18
13	19
14	20
15	21
16	22
17	23
18	24
19	25
1A	26
1B	27
1C	28
1D	29
1E	30
1F	31
20	32
21	33
22	34
23	35
24	36
25	37
26	38
27	39
28	40
29	41

FAQ

What is 1B hex in decimal?

Hexadecimal number 1B (0x1B) in decimal is 27

What is 1B hex in binary?

1B hex in binary is 11011: each hex digit is 4 bits — 1 = 0001, B = 1011.

How many bits is 1B?

27 takes 5 bits; 2 hex digits hold 8 (0001 1011).