Octal to Vigesimal Converter

Convert Octal (Base 8) to Vigesimal (Base 20) with step-by-step solution.

Valid digits: 01234567
255 (Base 8) = 8D (Base 20)
Step-by-Step Solution
1Convert Octal to Decimal:

Each digit × 8^position:

DigitValuePositionCalculationResult
2222 × 8^2128
5515 × 8^140
5505 × 8^05
Sum: 128 + 40 + 5 = 173
2Convert Decimal to Vigesimal:

Divide by 20, collect remainders:

StepDividend÷ 20QuotientRemainderDigit
1173÷ 20813D
28÷ 20088
Read bottom to top: 8D
3Result:
255 (Base 8) = 8D (Base 20)

Conversion Table

DecimalOctalVigesimal
000
111
222
333
444
555
666
777
8108
9119
1012A
1517F
1620G
202410
32401C

255 (Base 8) in All Bases

Number SystemBaseValue
Binary210101101
Decimal10173
Hexadecimal16AD
Ternary320102
Quaternary42231
Quinary51143
Senary6445
Septenary7335
Duodecimal12125
Vigesimal208D
Duotrigesimal325D
Hexatrigesimal364T

Popular Conversions

How to Convert Octal to Vigesimal

To convert from Octal (base 8) to Vigesimal (base 20), first convert to decimal, then convert from decimal to Vigesimal.

About Octal

Used in Unix file permissions. Uses digits: 01234567

About Vigesimal

Maya numeral system. Uses digits: 0123456789ABCDEFGHIJ