Number base & bit inspector
All conversions happen in your browser.
Input
Bases
Binary: 11111111
Octal: 377
Decimal: 255
Hex: FF
IEEE 754 (64-bit)
Hex: 0x406FE00000000000
Sign: 0
Exponent (11 bits): 10000000110
Mantissa (52 bits): 1111111000000000000000000000000000000000000000000000
What this tool does
Convert numbers between base 2, 8, 10, and 16 and inspect the IEEE 754 representation of floats.
Why IEEE 754
Most languages store floats in 64-bit IEEE 754. Inspecting the sign, exponent, and mantissa helps explain rounding errors.