How many megabytes are in 1 kilobyte?

1 KB equals 0.001 MB. This is an exact conversion factor defined by NIST.

How do I convert kilobytes to megabytes?

Multiply the value in KB by the conversion factor. For example, 10 KB = 0.01 MB. Use our calculator above for instant results.

Is the kilobytes to megabytes conversion exact?

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

Can I convert kilobytes 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 kilobytes and megabytes?

Kilobytes (KB) and Megabytes (MB) are both units of digital storage but belong to different measurement systems. 1 KB = 0.001 MB. Use the converter above to switch between them instantly.

Kilobytes to Megabytes (KB → MB) — Free Online Converter

KB → MB Reference Table

KB	MB
0.001 KB	0.000001 MB
0.002 KB	0.000002 MB
0.003 KB	0.000003 MB
0.004 KB	0.000004 MB
0.005 KB	0.000005 MB
0.006 KB	0.000006 MB
0.007 KB	0.000007 MB
0.008 KB	0.000008 MB
0.009 KB	0.000009 MB
0.01 KB	0.00001 MB
0.02 KB	0.00002 MB
0.03 KB	0.00003 MB
0.04 KB	0.00004 MB
0.05 KB	0.00005 MB
0.06 KB	0.00006 MB
0.07 KB	0.00007 MB
0.08 KB	0.00008 MB
0.09 KB	0.00009 MB
0.1 KB	0.0001 MB
0.2 KB	0.0002 MB
0.3 KB	0.0003 MB
0.4 KB	0.0004 MB
0.5 KB	0.0005 MB
0.6 KB	0.0006 MB
0.7 KB	0.0007 MB
0.8 KB	0.0008 MB
0.9 KB	0.0009 MB
1 KB	0.001 MB
1.5 KB	0.0015 MB
2 KB	0.002 MB
2.5 KB	0.0025 MB
3 KB	0.003 MB
3.5 KB	0.0035 MB
4 KB	0.004 MB
4.5 KB	0.0045 MB
5 KB	0.005 MB
5.5 KB	0.0055 MB
6 KB	0.006 MB
6.5 KB	0.0065 MB
7 KB	0.007 MB
7.5 KB	0.0075 MB
8 KB	0.008 MB
8.5 KB	0.0085 MB
9 KB	0.009 MB
9.5 KB	0.0095 MB
10 KB	0.01 MB
11 KB	0.011 MB
12 KB	0.012 MB
13 KB	0.013 MB
14 KB	0.014 MB
15 KB	0.015 MB
16 KB	0.016 MB
17 KB	0.017 MB
18 KB	0.018 MB
19 KB	0.019 MB
20 KB	0.02 MB
25 KB	0.025 MB
30 KB	0.03 MB
35 KB	0.035 MB
40 KB	0.04 MB
45 KB	0.045 MB
50 KB	0.05 MB
55 KB	0.055 MB
60 KB	0.06 MB
65 KB	0.065 MB
70 KB	0.07 MB
75 KB	0.075 MB
80 KB	0.08 MB
85 KB	0.085 MB
90 KB	0.09 MB
95 KB	0.095 MB
100 KB	0.1 MB
120 KB	0.12 MB
125 KB	0.125 MB
130 KB	0.13 MB
140 KB	0.14 MB
150 KB	0.15 MB
160 KB	0.16 MB
175 KB	0.175 MB
180 KB	0.18 MB
200 KB	0.2 MB
225 KB	0.225 MB
250 KB	0.25 MB
275 KB	0.275 MB
300 KB	0.3 MB
350 KB	0.35 MB
400 KB	0.4 MB
450 KB	0.45 MB
500 KB	0.5 MB
600 KB	0.6 MB
700 KB	0.7 MB
750 KB	0.75 MB
800 KB	0.8 MB
900 KB	0.9 MB
1000 KB	1 MB
1200 KB	1.2 MB
1250 KB	1.25 MB
1500 KB	1.5 MB
1750 KB	1.75 MB
2000 KB	2 MB
2500 KB	2.5 MB
3000 KB	3 MB
4000 KB	4 MB
4500 KB	4.5 MB
5000 KB	5 MB
6000 KB	6 MB
7000 KB	7 MB
7500 KB	7.5 MB
8000 KB	8 MB
9000 KB	9 MB
10000 KB	10 MB
15000 KB	15 MB
20000 KB	20 MB
25000 KB	25 MB
50000 KB	50 MB
75000 KB	75 MB
100000 KB	100 MB

Values based on NIST SP 811 conversion factors

Why Convert Kilobytes to Megabytes?

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

Digital storage conversions (KB 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 Kilobytes to Megabytes

To convert kilobytes to megabytes, use the following formula:

MB = KB × 0.001

Example: 1 KB = 0.001 MB

For example, 5 KB = 0.005 MB, 10 KB = 0.01 MB, and 100 KB = 0.1 MB. For larger values, 1000 KB = 1 MB. Conversely, 1 MB = 1000 KB. 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 Kilobyte?

1,000 bytes (decimal) or 1,024 bytes (binary).

Small files.

What is a Megabyte?

1,000,000 bytes.

MP3s, photos.

Kilobytes → Megabytes

Kilobytes to Megabytes Formula