Convert bytes to bits
1 B = 8 b. Change the amount below, or read the formula and the reference table further down.
1 byte equals
bits
1 B = 8 b
The formula
Bytes and bits both measure data & storage from the same zero, so a single multiplier does the job.
b = B × 8
Going the other way? Convert bits to bytes.
Bytes to bits table
Common values, rounded for reading.
| Bytes (B) | Bits (b) |
|---|---|
| 1 | 8 |
| 2 | 16 |
| 3 | 24 |
| 4 | 32 |
| 5 | 40 |
| 6 | 48 |
| 7 | 56 |
| 8 | 64 |
| 9 | 72 |
| 10 | 80 |
| 15 | 120 |
| 20 | 160 |
| 25 | 200 |
| 30 | 240 |
| 40 | 320 |
| 50 | 400 |
| 75 | 600 |
| 100 | 800 |
| 250 | 2,000 |
| 500 | 4,000 |
| 1,000 | 8,000 |
Questions people ask
- How many bits are in a byte?
- One byte equals 8 bits.
- How do I convert bytes to bits by hand?
- Multiply the number of bytes by 8. For a rough check, 8 is close enough for most everyday use.
- What is 1 byte in bits?
- 1 byte is 8 bits.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.