How do you convert bytes to bits?

To convert bytes to bits, multiply by 8. For example, 640 B is 5120 b.

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Converters · Digital storage

640 Bytes to Bits

640 B =

5120 b

640 bytes equals 5120 bits

How to convert bytes to bits

To get bits, multiply by 8.

b = B × 8

Worked example: 640 × 8 = 5120 b.

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

Values near 640 B

Byte	Bit
320 B	2560 b
638 B	5104 b
639 B	5112 b
641 B	5128 b
642 B	5136 b
1280 B	10240 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, 640 B is 5120 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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