Bits to megabytes

Type a value in bits to see it in megabytes straight away, or type in the second box to convert back.

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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.

How to use it

  1. Type the value in the bits box.
  2. Read the result in megabytes as you type, and pick the precision you need.
  3. Swap the direction to convert back, or copy the result.

How it is calculated

MB = bit × 1.25e-7

Multiply the value in bits by 1.25e-7 to get megabytes.

Example

To convert 25 bit to megabytes: 25 × 1.25e-7 = 0.000003125 MB.

Conversion table

Bits (bit)Megabytes (MB)
11.25e-7
22.5e-7
33.75e-7
56.25e-7
100.00000125
200.0000025
250.000003125
500.00000625
1000.0000125
2500.00003125
5000.0000625
1,0000.000125

About the units

Bit
The smallest unit of digital information, holding one of two values, 0 or 1. Eight bits make exactly one byte.
Megabyte
A decimal unit equal to exactly 1,000,000 bytes (10^6), different from the binary mebibyte of 1,048,576 bytes.

Limits and caveats

  • Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
  • Both unit factors are exact by their official definitions.

Questions about this tool

How many megabytes are in one bit?

1 bit = 1.25e-7 MB exactly.

How do I convert bits to megabytes?

Use MB = bit × 1.25e-7. For example, 25 bit = 0.000003125 MB.

How many bits are in one megabyte?

1 MB = 8,000,000 bit.

Why does a 1 TB drive show about 931 GB on my computer?

Drive makers count 1 TB as 10^12 bytes, while Windows divides by 2^30 and labels the result GB even though it is really GiB. So 10^12 ÷ 1,073,741,824 gives about 931.32, and no space is missing.

What is the difference between a kilobyte and a kibibyte?

A kilobyte (kB) is a decimal unit of 1000 bytes and a kibibyte (KiB) is a binary unit of 1024 bytes. The same split applies to mega and mebi, giga and gibi, and the gap grows at each step.