Bytes to Mebibytes Converter

About the b to mib calculation

One byte is exactly 9.5367e-7 mebibytes, so converting between them is a single multiplication. Enter any value above and the result updates as you type. Eight bits, and the base unit every other storage figure is built from. Binary megabyte — 1,024² bytes. What operating systems usually mean when they display "MB".

Formula

MiB = B × 9.5367e-7

1 B = 9.5367e-7 MiB
1 MiB = 1,048,576 B

Worked example

To convert 1,024 B, multiply by 9.5367e-7: 1,024 × 9.5367e-7 = 0.00097656 MiB.

Frequently asked questions

How many mebibytes are in a byte?

There are 9.5367e-7 mebibytes in one byte. To convert any amount, multiply the number of bytes by 9.5367e-7.

How do I convert mebibytes back to bytes?

Divide instead of multiplying, or equivalently multiply by 1,048,576. One mebibyte is 1,048,576 bytes.

Is this conversion exact?

Yes, provided both sides use the same convention. Decimal units (KB, MB, GB) are powers of 1,000 and binary units (KiB, MiB, GiB) are powers of 1,024. Both are exact — the confusion comes from software labelling binary values with decimal names.

Where is each of these units used?

Bytes: eight bits, and the base unit every other storage figure is built from. Mebibytes: binary megabyte — 1,024² bytes. What operating systems usually mean when they display "MB".

Sources

• IEC 80000-13 — binary and decimal prefixes for information units