Bytes to Kilobytes (B → KB) — Free Online Converter

B → KB Reference Table

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

Values based on NIST SP 811 conversion factors

Why Convert Bytes to Kilobytes?

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

Digital storage conversions (B to KB) 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 Kilobytes

To convert bytes to kilobytes, use the following formula:

KB = B × 0.001

Example: 1 B = 0.001 KB

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

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

Small files.

Frequently Asked Questions

How many kilobytes are in 1 byte?

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

How do I convert bytes to kilobytes?

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

Is the bytes to kilobytes conversion exact?

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

Can I convert bytes to kilobytes 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 kilobytes?

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

Bytes → Kilobytes