Math
Scientific notation
Split a number into a coefficient and a power of ten using a supplied exponent.
Calculators / Math / Binary and hexadecimal converter
Binary and hexadecimal converter calculator
Convert a nonnegative whole decimal number to binary and hexadecimal.
On this page
Binary11111111
HexadecimalFF
Calculator controls
How to calculate
Convert a nonnegative whole decimal number to binary and hexadecimal.
Repeatedly divide the whole number by 2 or 16 and read the remainders in reverse order.
Worked example
Decimal whole number: 255.
Binary: 11111111 ; Hexadecimal: FF .
Assumptions and limits
The input is limited to JavaScript’s safe integer range so the conversion remains exact.
Results are rounded for display; calculations use unrounded values. Read our calculation methodology.
Understanding the result
Convert a nonnegative whole decimal number to binary and hexadecimal. The displayed figures use the inputs and formula shown on this page.
When this tool is useful
Use the binary and hexadecimal converter to compare a scenario, check an estimate, or verify a manual calculation.
Understanding your inputs
| Input | What to enter |
|---|---|
| Decimal whole number | Enter a number of at least 0 and no more than 9007199254740991. |
Frequently asked questions
What should I check before using the binary and hexadecimal converter result?
The input is limited to JavaScript’s safe integer range so the conversion remains exact.
Is this binary and hexadecimal converter result exact?
It is exact for the stated mathematical model and entered values. Real-world results can differ when rates, timing, fees, definitions or measurement conditions differ.