How do I convert bytes back to kilobytes?

Use the reverse converter: 1 byte equals 0.001 KB.

Is this converter accurate?

Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.

Kilobytes to Bytes Converter (KB to B)

Formula

To convert kilobytes to bytes, multiply the value by 1000.

B = KB × 1000

Example calculation

Convert 10 KB to B:

10 KB × 1000 = 10000 B

Conversion table

kilobytes → bytes
KB	B
1	1000.0000
2	2000.0000
3	3000.0000
4	4000.0000
5	5000.0000
6	6000.0000
7	7000.0000
8	8000.0000
9	9000.0000
10	10000.0000
15	15000.0000
20	20000.0000
25	25000.0000
30	30000.0000
35	35000.0000
40	40000.0000
45	45000.0000
50	50000.0000
55	55000.0000
60	60000.0000
65	65000.0000
70	70000.0000
75	75000.0000
80	80000.0000
85	85000.0000
90	90000.0000
95	95000.0000
100	100000.0000
200	200000.0000
500	500000.0000
1000	1000000.0000

Decimal vs binary: KB, MB and GB use powers of 1,000 (SI), while KiB, MiB and GiB use powers of 1,024. Storage makers use decimal units; many operating systems and memory sizes use binary ones, which is why a "500 GB" drive shows less space.

About the units

Kilobyte (KB): 1,000 bytes in the decimal (SI) system. Often confused with the kibibyte (1,024 bytes).
Byte (B): Eight bits, the basic unit of computer storage and the size of one character in many encodings.

Frequently asked questions

How do I convert kilobytes to bytes?: To convert kilobytes to bytes, multiply the value by 1000.
How many bytes are in 1 kilobyte?: 1 kilobyte equals 1000 B.
How many bytes are in 10 kilobytes?: 10 KB equals 10000 B.
How do I convert bytes back to kilobytes?: Use the reverse converter: 1 byte equals 0.001 KB.
Is this converter accurate?: Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.