Binary to Hex Converter
Convert binary to hexadecimal instantly. Free online bin to hex calculator—group bits in fours. For programmers and CS courses.
How to Convert Binary to Hex
To convert binary to hex, group binary digits into groups of 4 (from right), then convert each group to its hex equivalent. Since each hex digit represents exactly 4 bits, this binary to hex conversion is straightforward and commonly used in programming.
Binary to hex: group binary digits in sets of 4 (from right), map each group to 0–F. Faster than bin→dec→hex for long strings.
1010 1111₂ = AF₁₆.
Memory dumps and machine code. The table and FAQ on this page walk through the factor if you need it.
Conversion Examples
Example: 1111 binary to hex
- 1111 = 15 = F
1111 binary = F hex
Single nibble.
Example: 10101010 to hex
- 1010=A, 1010=A → AA
10101010 binary = AA hex
One byte.
Common Use Cases
- Memory dumps and machine code.
- Color and bitmask editing.
- Embedded systems coursework.
- Networking MAC/address study.
Frequently Asked Questions
How do I convert binary to hex?
Group bits in 4s from the right; convert each group to one hex digit.
Why group by 4?
Each hex digit represents exactly 4 binary bits.
What is 1010 in hex?
A (10 decimal).