MetrykConverter

Number Systems Converters

12 free number systems converters with formulas, conversion tables, and worked examples.

All Number Systems Conversions

Conversion Formula
Binary to Octal Convert binary → decimal → octal (base 2 → 8)
Binary to Decimal Expand each binary digit × 2^position, sum all values
Binary to Hexadecimal Convert binary → decimal → hexadecimal (base 2 → 16)
Octal to Binary Convert octal → decimal → binary (base 8 → 2)
Octal to Decimal Expand each octal digit × 8^position, sum all values
Octal to Hexadecimal Convert octal → decimal → hexadecimal (base 8 → 16)
Decimal to Binary Repeatedly divide by 2, read remainders bottom-to-top
Decimal to Octal Repeatedly divide by 8, read remainders bottom-to-top
Decimal to Hexadecimal Repeatedly divide by 16, read remainders bottom-to-top
Hexadecimal to Binary Convert hexadecimal → decimal → binary (base 16 → 2)
Hexadecimal to Octal Convert hexadecimal → decimal → octal (base 16 → 8)
Hexadecimal to Decimal Expand each hexadecimal digit × 16^position, sum all values