How many megabytes are in 1 byte?

1 B equals 0.000001 MB. This is an exact conversion factor defined by NIST.

How do I convert bytes to megabytes?

Multiply the value in B by the conversion factor. For example, 10 B = 0.00001 MB. Use our calculator above for instant results.

Is the bytes to megabytes conversion exact?

Yes, this conversion is mathematically exact based on the international definition of these units (NIST SP 811).

Can I convert bytes to megabytes offline?

Yes! OmniConvert runs entirely in your browser — no internet connection needed after the page loads. Your data never leaves your device, ensuring complete privacy.

What is the difference between bytes and megabytes?

Bytes (B) and Megabytes (MB) are both units of digital storage but belong to different measurement systems. 1 B = 0.000001 MB. Use the converter above to switch between them instantly.

Bytes to Megabytes (B → MB) — Free Online Converter

B → MB Reference Table

B	MB
0.001 B	1.000000e-9 MB
0.002 B	2.000000e-9 MB
0.003 B	3.000000e-9 MB
0.004 B	4.000000e-9 MB
0.005 B	5.000000e-9 MB
0.006 B	6.000000e-9 MB
0.007 B	7.000000e-9 MB
0.008 B	8.000000e-9 MB
0.009 B	9.000000e-9 MB
0.01 B	1e-8 MB
0.02 B	2e-8 MB
0.03 B	3e-8 MB
0.04 B	4e-8 MB
0.05 B	5e-8 MB
0.06 B	6e-8 MB
0.07 B	7e-8 MB
0.08 B	8e-8 MB
0.09 B	9e-8 MB
0.1 B	1e-7 MB
0.2 B	2e-7 MB
0.3 B	3e-7 MB
0.4 B	4e-7 MB
0.5 B	5e-7 MB
0.6 B	6e-7 MB
0.7 B	7e-7 MB
0.8 B	8e-7 MB
0.9 B	9e-7 MB
1 B	0.000001 MB
1.5 B	0.0000015 MB
2 B	0.000002 MB
2.5 B	0.0000025 MB
3 B	0.000003 MB
3.5 B	0.0000035 MB
4 B	0.000004 MB
4.5 B	0.0000045 MB
5 B	0.000005 MB
5.5 B	0.0000055 MB
6 B	0.000006 MB
6.5 B	0.0000065 MB
7 B	0.000007 MB
7.5 B	0.0000075 MB
8 B	0.000008 MB
8.5 B	0.0000085 MB
9 B	0.000009 MB
9.5 B	0.0000095 MB
10 B	0.00001 MB
11 B	0.000011 MB
12 B	0.000012 MB
13 B	0.000013 MB
14 B	0.000014 MB
15 B	0.000015 MB
16 B	0.000016 MB
17 B	0.000017 MB
18 B	0.000018 MB
19 B	0.000019 MB
20 B	0.00002 MB
25 B	0.000025 MB
30 B	0.00003 MB
35 B	0.000035 MB
40 B	0.00004 MB
45 B	0.000045 MB
50 B	0.00005 MB
55 B	0.000055 MB
60 B	0.00006 MB
65 B	0.000065 MB
70 B	0.00007 MB
75 B	0.000075 MB
80 B	0.00008 MB
85 B	0.000085 MB
90 B	0.00009 MB
95 B	0.000095 MB
100 B	0.0001 MB
120 B	0.00012 MB
125 B	0.000125 MB
130 B	0.00013 MB
140 B	0.00014 MB
150 B	0.00015 MB
160 B	0.00016 MB
175 B	0.000175 MB
180 B	0.00018 MB
200 B	0.0002 MB
225 B	0.000225 MB
250 B	0.00025 MB
275 B	0.000275 MB
300 B	0.0003 MB
350 B	0.00035 MB
400 B	0.0004 MB
450 B	0.00045 MB
500 B	0.0005 MB
600 B	0.0006 MB
700 B	0.0007 MB
750 B	0.00075 MB
800 B	0.0008 MB
900 B	0.0009 MB
1000 B	0.001 MB
1200 B	0.0012 MB
1250 B	0.00125 MB
1500 B	0.0015 MB
1750 B	0.00175 MB
2000 B	0.002 MB
2500 B	0.0025 MB
3000 B	0.003 MB
4000 B	0.004 MB
4500 B	0.0045 MB
5000 B	0.005 MB
6000 B	0.006 MB
7000 B	0.007 MB
7500 B	0.0075 MB
8000 B	0.008 MB
9000 B	0.009 MB
10000 B	0.01 MB
15000 B	0.015 MB
20000 B	0.02 MB
25000 B	0.025 MB
50000 B	0.05 MB
75000 B	0.075 MB
100000 B	0.1 MB

Values based on NIST SP 811 conversion factors

Why Convert Bytes to Megabytes?

Converting between bytes (B) and megabytes (MB) is one of the most common digital storage conversions. Whether for engineering, cooking, travel, or science, knowing how to quickly convert B to MB saves time and prevents errors.

Digital storage conversions (B to MB) are essential for IT professionals, content creators, and everyday computer users. Understanding the difference between bits and bytes is crucial when calculating internet speeds versus file sizes. Photographers and video editors need to convert terabytes and gigabytes to manage backups and estimate cloud storage costs. Confusion often arises between binary (1024) and decimal (1000) prefixes used by hardware manufacturers versus operating systems, leading to apparent 'missing' space on hard drives. Accurate conversion helps in planning server capacity, data transfer times, and device purchases.

How to Convert Bytes to Megabytes

To convert bytes to megabytes, use the following formula:

MB = B × 0.000001

Example: 1 B = 0.000001 MB

For example, 5 B = 0.000005 MB, 10 B = 0.00001 MB, and 100 B = 0.0001 MB. For larger values, 1000 B = 0.001 MB. Conversely, 1 MB = 1000000 B. Our calculator above performs this conversion instantly with full precision — no rounding errors.

Common Mistakes to Avoid

Bit vs Byte: 1 Byte = 8 Bits. Internet speed is usually bits (Mb/s), file size is Bytes (MB).
Base 10 vs Base 2: Hard drive makers use Base 10 (1KB=1000B), OS uses Base 2 (1KiB=1024B).
B vs b: MB is Megabyte, Mb is Megabit.

Pro Tips

Storage buying: A 1TB drive usually shows as ~930GB in Windows due to decimal/binary difference.
Data caps: Streaming HD video uses ~3GB/hour.
Backup rule: 3-2-1 rule: 3 copies, 2 media types, 1 offsite.

What is a Byte?

8 bits.

File sizes.

What is a Megabyte?

1,000,000 bytes.

MP3s, photos.

Bytes → Megabytes

Bytes to Megabytes Formula