How do you convert bytes to bits?

To convert bytes to bits, multiply by 8. For example, 81 B is 648 b.

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Converters · Digital storage

81 Bytes to Bits

81 B =

648 b

81 bytes equals 648 bits

How to convert bytes to bits

To get bits, multiply by 8.

b = B × 8

Worked example: 81 × 8 = 648 b.

Going the other way, multiply by 0.125 — one bit is 0.125 bytes.

Values near 81 B

Byte	Bit
40.5 B	324 b
79 B	632 b
80 B	640 b
82 B	656 b
83 B	664 b
162 B	1296 b

Byte to Bit — common values

Byte	Bit
1 B	8 b
2 B	16 b
3 B	24 b
5 B	40 b
10 B	80 b
25 B	200 b
50 B	400 b
100 B	800 b

Convert Byte to other units

B → b B → KB B → MB B → GB B → TB B → KiB B → MiB B → GiB B → TiB

← Reverse: Bit to Byte

Questions

How do you convert bytes to bits?: To convert bytes to bits, multiply by 8. For example, 81 B is 648 b.
How many bits are in a byte?: There are 8 bits in one byte.
How do you convert bits back to bytes?: Go the other way: multiply by 0.125. One bit is 0.125 bytes.

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