Help: Number Conversions

What you need to fill in
Number
The number you want to convert.
Βάση αρίθμησης
Which base the number is already in: 10 (decimal), 8 (octal), 16 (hexadecimal) or 2 (binary).
What you'll see in the results
  • The same number converted to decimal, octal, hexadecimal and binary, all at once
  • Detailed conversion steps
Η φόρμα μετατροπής
Sample example
Decimal255
Binary11111111
Octal377
HexadecimalFF

Frequently asked questions

Binary: only 0-1. Octal: 0-7. Decimal: 0-9. Hexadecimal: 0-9 and A-F. If you enter a digit outside the range for the selected base, an error message will appear.

Dark Mode NEW
Adjust the appearance to reduce glare and give your eyes a break.

RTL Support NEW
Easily switch to right-to-left layout for Arabic, Hebrew, and other RTL languages.