Bytes to kilobytes
kilobytes = bytes × 0.001
Reverse: kilobytes to bytes
How to convert bytes to kilobytes
One byte is 0.001 kilobytes, so multiply the number of bytes by 0.001. For example, 20 bytes is 20 × 0.001 = 0.02 kilobytes. To go back, divide by the same number, or multiply by 1,000.
Quick estimate
Multiplying by about 0.001 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.
| bytes | kilobytes |
|---|---|
| 1 b | 0.001 kb |
| 2 b | 0.002 kb |
| 3 b | 0.003 kb |
| 4 b | 0.004 kb |
| 5 b | 0.005 kb |
| 6 b | 0.006 kb |
| 7 b | 0.007 kb |
| 8 b | 0.008 kb |
| 9 b | 0.009 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 |
| 40 b | 0.04 kb |
| 50 b | 0.05 kb |
| 60 b | 0.06 kb |
| 70 b | 0.07 kb |
| 75 b | 0.075 kb |
| 80 b | 0.08 kb |
| 90 b | 0.09 kb |
| 100 b | 0.1 kb |
| 120 b | 0.12 kb |
| 150 b | 0.15 kb |
| 200 b | 0.2 kb |
| 250 b | 0.25 kb |
| 300 b | 0.3 kb |
| 400 b | 0.4 kb |
| 500 b | 0.5 kb |
| 750 b | 0.75 kb |
| 1,000 b | 1 kb |
| 1,500 b | 1.5 kb |
| 2,000 b | 2 kb |
| 5,000 b | 5 kb |
| 10,000 b | 10 kb |
Questions
How many kilobytes are in a byte?
0.001 kilobytes.
How do I convert bytes to kilobytes in a spreadsheet?
Put the value in A1 and type =A1*0.001, 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.