Binary Active Bits
Binary Active Bits Calculator
Count the number of active (set) bits in binary numbers, decimal numbers, or hexadecimal values. Useful for bit manipulation, bitwise operations, and binary analysis.
Binary Active Bits Calculator
Resultados
About Binary Active Bits
What are Active Bits?
Active bits (also called "set bits" or "1-bits") are the bits in a binary number that are set to 1. Counting active bits is a common operation in computer science and programming, especially for:
- Bit manipulation and bitwise operations
- Hamming weight calculation
- Population count algorithms
- Binary analysis and debugging
- Optimization and performance analysis
How It Works
The calculator converts your input (binary, decimal, or hexadecimal) to a binary representation and counts the number of bits set to 1. For example:
Binary: 10110110
Active Bits: 5 (positions: 1, 2, 4, 5, 7)
Decimal: 182
Hexadecimal: B6
Common Use Cases
Programming
Count set bits in flags, masks, and bit fields
Cryptography
Analyze binary patterns in encryption algorithms
Data Structures
Optimize bit arrays and bitmaps
Performance
Measure bit density in compressed data
Examples
Example 1: Binary Input
Input: 10110110
Result: 5 active bits at positions 1, 2, 4, 5, 7
Decimal values: 2 + 4 + 16 + 32 + 128 = 182
Example 2: Decimal Input
Input: 255
Result: 8 active bits (all bits set)
Decimal values: 1 + 2 + 4 + 8 + 16 + 32 + 64 + 128 = 255
Example 3: Hexadecimal Input
Input: FF
Result: 8 active bits (binary: 11111111)
Decimal values: 1 + 2 + 4 + 8 + 16 + 32 + 64 + 128 = 255
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