Vigesimal to Decimal Converter

Convert Vigesimal (Base 20) to Decimal (Base 10) with step-by-step solution.

Valid digits: 0123456789ABCDEFGHIJ
255 (Base 20) = 905 (Base 10)
Step-by-Step Solution
1Convert Vigesimal to Decimal:

Each digit × 20^position:

DigitValuePositionCalculationResult
2222 × 20^2800
5515 × 20^1100
5505 × 20^05
Sum: 800 + 100 + 5 = 905
2Result:
255 (Base 20) = 905 (Base 10)

Conversion Table

DecimalVigesimalDecimal
000
111
222
333
444
555
666
777
888
999
10A10
15F15
16G16
201020
321C32

255 (Base 20) in All Bases

Number SystemBaseValue
Binary21110001001
Octal81611
Decimal10905
Hexadecimal16389
Ternary31020112
Quaternary432021
Quinary512110
Senary64105
Septenary72432
Duodecimal12635
Duotrigesimal32S9
Hexatrigesimal36P5

Popular Conversions

How to Convert Vigesimal to Decimal

To convert from Vigesimal (base 20) to Decimal (base 10), multiply each digit by 20 raised to its position and sum.

About Vigesimal

Maya numeral system. Uses digits: 0123456789ABCDEFGHIJ

About Decimal

Standard number system. Uses digits: 0123456789