byte to bit
Convert byte (B) to bit (bit). Use an editable data storage converter, conversion formula, and reference table.
1 B = 8 bit
Conversion formula
One byte equals 8 bit. Multiply your value in byte by this factor to get bit. For the reverse conversion, divide by the same factor.
Worked example
To convert 5 byte:5 × 8 = 40 bit
Conversion table
| byte (B) | bit (bit) |
|---|---|
| 0.01 | 0.08 |
| 0.1 | 0.8 |
| 1 | 8 |
| 2 | 16 |
| 5 | 40 |
| 10 | 80 |
| 25 | 200 |
| 50 | 400 |
| 100 | 800 |
| 1000 | 8,000 |
About these measurements
Data storage expresses a number of bits or bytes.
The base reference used here is the byte. One byte is 1 base units; one bit is 0.125 base units.
Important distinctions
Decimal prefixes use powers of 1,000; binary prefixes use powers of 1,024. One byte is eight bits.
Precision
The converter uses stored conversion factors and floating-point arithmetic. Results display up to ten significant digits, switching to scientific notation for very small or large values. Keep the precision of your original measurement when reporting results.
Common questions
How do I convert B to bit?
Multiply the quantity in B by 8. You can also type the value into the converter above.
Can I reverse the conversion?
Yes. Use the swap button or open the bit to byte converter.
Reference
NIST Guide to the SI — conversion factors and prefix conventions. SI prefixes scale units by powers of ten; the dimension-specific notes above describe the assumptions used on this page.
