Skip to main content
Calcimator

Binary/Hex/Decimal Converter

Convert between binary, octal, decimal, and hexadecimal number systems. Includes bit count, byte size, and ASCII character lookup.

Convert

Results

Binary
1111 1111
Octal
0o377
Decimal
255
Hexadecimal
0xFF
Bits
8
Bytes
1
ASCII Character
N/A
Power of 2?
No
How to Use This Calculator
  1. Enter a value in either field to instantly convert between units. The conversion is bidirectional — updating one side automatically recalculates the other.
  2. Input Number (decimal) — Enter a decimal number to convert. Accepts values from 0 to 4,294,967,295 (default: 255).
  3. Once all inputs are set, review your results in the Results panel. Here's what each output means:
  4. Binary — your calculated result. This is the primary result of this calculator.
  5. Octal — your calculated result.
  6. Decimal — your calculated result.
  7. Hexadecimal — your calculated result.
  8. Bits — shown as a numeric value.
  9. Bytes — shown as a numeric value.
  10. ASCII Character — your calculated result.
  11. Power of 2? — your calculated result.
  12. Explore the related calculators below if you need deeper analysis or want to approach this topic from a different angle.
Ad Placeholder

Formula

Decimal to binary: divide by 2, track remainders. Hex uses base-16 (0-9, A-F). Octal uses base-8 (0-7).

Related Calculators

Ad Placeholder