Digital Storage • NIST Exact

Kilobytes Bytes

KB → B

1 KB = 1,000 BNIST Exact

NIST Exact

Based on U.S. National Institute of Standards

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KB → B Reference Table

KB B
0.001 KB 1 B
0.002 KB 2 B
0.003 KB 3 B
0.004 KB 4 B
0.005 KB 5 B
0.006 KB 6 B
0.007 KB 7 B
0.008 KB 8 B
0.009 KB 9 B
0.01 KB 10 B
0.02 KB 20 B
0.03 KB 30 B
0.04 KB 40 B
0.05 KB 50 B
0.06 KB 60 B
0.07 KB 70 B
0.08 KB 80 B
0.09 KB 90 B
0.1 KB 100 B
0.2 KB 200 B
0.3 KB 300 B
0.4 KB 400 B
0.5 KB 500 B
0.6 KB 600 B
0.7 KB 700 B
0.8 KB 800 B
0.9 KB 900 B
1 KB 1000 B
1.5 KB 1500 B
2 KB 2000 B
2.5 KB 2500 B
3 KB 3000 B
3.5 KB 3500 B
4 KB 4000 B
4.5 KB 4500 B
5 KB 5000 B
5.5 KB 5500 B
6 KB 6000 B
6.5 KB 6500 B
7 KB 7000 B
7.5 KB 7500 B
8 KB 8000 B
8.5 KB 8500 B
9 KB 9000 B
9.5 KB 9500 B
10 KB 10000 B
11 KB 11000 B
12 KB 12000 B
13 KB 13000 B
14 KB 14000 B
15 KB 15000 B
16 KB 16000 B
17 KB 17000 B
18 KB 18000 B
19 KB 19000 B
20 KB 20000 B
25 KB 25000 B
30 KB 30000 B
35 KB 35000 B
40 KB 40000 B
45 KB 45000 B
50 KB 50000 B
55 KB 55000 B
60 KB 60000 B
65 KB 65000 B
70 KB 70000 B
75 KB 75000 B
80 KB 80000 B
85 KB 85000 B
90 KB 90000 B
95 KB 95000 B
100 KB 100000 B
120 KB 120000 B
125 KB 125000 B
130 KB 130000 B
140 KB 140000 B
150 KB 150000 B
160 KB 160000 B
175 KB 175000 B
180 KB 180000 B
200 KB 200000 B
225 KB 225000 B
250 KB 250000 B
275 KB 275000 B
300 KB 300000 B
350 KB 350000 B
400 KB 400000 B
450 KB 450000 B
500 KB 500000 B
600 KB 600000 B
700 KB 700000 B
750 KB 750000 B
800 KB 800000 B
900 KB 900000 B
1000 KB 1000000 B
1200 KB 1200000 B
1250 KB 1250000 B
1500 KB 1500000 B
1750 KB 1750000 B
2000 KB 2000000 B
2500 KB 2500000 B
3000 KB 3000000 B
4000 KB 4000000 B
4500 KB 4500000 B
5000 KB 5000000 B
6000 KB 6000000 B
7000 KB 7000000 B
7500 KB 7500000 B
8000 KB 8000000 B
9000 KB 9000000 B
10000 KB 10000000 B
15000 KB 15000000 B
20000 KB 20000000 B
25000 KB 25000000 B
50000 KB 50000000 B
75000 KB 75000000 B
100000 KB 100000000 B

Values based on NIST SP 811 conversion factors

Why Convert Kilobytes to Bytes?

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

Digital storage conversions (KB to B) 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 Bytes

To convert kilobytes to bytes, use the following formula:

B = KB × 1000

Example: 1 KB = 1000 B

For example, 5 KB = 5000 B, 10 KB = 10000 B, and 100 KB = 100000 B. For larger values, 1000 KB = 1000000 B. Conversely, 1 B = 0.001 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 Byte?

8 bits.

File sizes.

Frequently Asked Questions

How many bytes are in 1 kilobyte?

1 KB equals 1000 B. This is an exact conversion factor defined by NIST.

How do I convert kilobytes to bytes?

Multiply the value in KB by the conversion factor. For example, 10 KB = 10000 B. Use our calculator above for instant results.

Is the kilobytes to bytes conversion exact?

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

Can I convert kilobytes to bytes 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 bytes?

Kilobytes (KB) and Bytes (B) are both units of digital storage but belong to different measurement systems. 1 KB = 1000 B. Use the converter above to switch between them instantly.

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