Hexadecimal to Decimal Converter

Convert Hexadecimal (Base 16) to Decimal (Base 10) with step-by-step solution.

Valid digits: 0123456789ABCDEF
255 (Base 16) = 597 (Base 10)
Step-by-Step Solution
1Convert Hexadecimal to Decimal:

Each digit × 16^position:

DigitValuePositionCalculationResult
2222 × 16^2512
5515 × 16^180
5505 × 16^05
Sum: 512 + 80 + 5 = 597
2Result:
255 (Base 16) = 597 (Base 10)

Conversion Table

DecimalHexadecimalDecimal
000
111
222
333
444
555
666
777
888
999
10A10
15F15
161016
201420
322032

255 (Base 16) in All Bases

Number SystemBaseValue
Binary21001010101
Octal81125
Decimal10597
Ternary3211010
Quaternary421111
Quinary54342
Senary62433
Septenary71512
Duodecimal12419
Vigesimal2019H
Duotrigesimal32IL
Hexatrigesimal36GL

Popular Conversions

How to Convert Hexadecimal to Decimal

To convert from Hexadecimal (base 16) to Decimal (base 10), multiply each digit by 16 raised to its position and sum.

About Hexadecimal

Used in programming and colors. Uses digits: 0123456789ABCDEF

About Decimal

Standard number system. Uses digits: 0123456789