HomeUnit Conversion › Megabytes to Mebibytes

Megabytes to Mebibytes (MB to MiB)

Convert megabytes to mebibytes: 1 MB = 0.953674 MiB. Exact conversion factor, formula, 18-row table and worked examples, with JSON API and MCP access.

Formula

1 MB = 0.953674 MiB

mebibytes = megabytes × 0.9536743164 — reverse: megabytes = mebibytes × 1.048576

The factor is derived from the SI definitions of both units (base unit: B) as listed in NIST SP 811; results on this page are shown to 6 significant figures, the API returns up to 12.

Worked examples

Megabytes to mebibytes conversion table

Megabytes (MB)Mebibytes (MiB)
10.953674
21.90735
43.8147
87.62939
1615.2588
3230.5176
6461.0352
10095.3674
128122.07
256244.141
500476.837
512488.281
1000953.674
1024976.563
20481953.13
40963906.25
81927812.5
100009536.74

FAQ

How many mebibytes are in one megabyte?

1 MB = 0.953674 MiB. The factor comes from the SI definitions of both units (NIST SP 811 / BIPM), so it is exact or correct to at least 10 significant figures.

What is the formula to convert megabytes to mebibytes?

Multiply the value in megabytes by 0.9536743164: mebibytes = megabytes × 0.9536743164. For example, 1.5 MB = 1.43051 MiB.

How do I convert mebibytes back to megabytes?

Multiply by the inverse factor 1.048576 (megabytes = mebibytes × 1.048576), or use the mebibytes-to-megabytes page.

Related conversions

Machine access

Sources