Kilobytes to bytes
bytes = kilobytes × 1,000
Reverse: bytes to kilobytes
How to convert kilobytes to bytes
One kilobyte is 1,000 bytes, so multiply the number of kilobytes by 1,000. For example, 20 kilobytes is 20 × 1,000 = 20,000 bytes. To go back, divide by the same number, or multiply by 0.001.
Quick estimate
Multiplying by about 1000 gets within 0.0% of the exact answer, which is enough to check that a result makes sense.
Where it comes up
Data conversions come up when comparing storage on phones and drives, file and download sizes, and internet plans.
| kilobytes | bytes |
|---|---|
| 1 kb | 1,000 b |
| 2 kb | 2,000 b |
| 3 kb | 3,000 b |
| 4 kb | 4,000 b |
| 5 kb | 5,000 b |
| 6 kb | 6,000 b |
| 7 kb | 7,000 b |
| 8 kb | 8,000 b |
| 9 kb | 9,000 b |
| 10 kb | 10,000 b |
| 11 kb | 11,000 b |
| 12 kb | 12,000 b |
| 13 kb | 13,000 b |
| 14 kb | 14,000 b |
| 15 kb | 15,000 b |
| 16 kb | 16,000 b |
| 17 kb | 17,000 b |
| 18 kb | 18,000 b |
| 19 kb | 19,000 b |
| 20 kb | 20,000 b |
| 25 kb | 25,000 b |
| 30 kb | 30,000 b |
| 40 kb | 40,000 b |
| 50 kb | 50,000 b |
| 60 kb | 60,000 b |
| 70 kb | 70,000 b |
| 75 kb | 75,000 b |
| 80 kb | 80,000 b |
| 90 kb | 90,000 b |
| 100 kb | 100,000 b |
| 120 kb | 120,000 b |
| 150 kb | 150,000 b |
| 200 kb | 200,000 b |
| 250 kb | 250,000 b |
| 300 kb | 300,000 b |
| 400 kb | 400,000 b |
| 500 kb | 500,000 b |
| 750 kb | 750,000 b |
| 1,000 kb | 1,000,000 b |
| 1,500 kb | 1,500,000 b |
| 2,000 kb | 2,000,000 b |
| 5,000 kb | 5,000,000 b |
| 10,000 kb | 10,000,000 b |
Questions
How many bytes are in a kilobyte?
1,000 bytes.
How do I convert kilobytes to bytes in a spreadsheet?
Put the value in A1 and type =A1*1000, then fill the formula down the column.
Are the values in the table exact?
They are calculated from the exact definitions of the units and rounded only for display. Open any row for the full working.