Question : What is the actual download speed of my Internet Connection?

Using www.speedtest.net, when I check the download speed, it says it is 300 kbps (even though mine is a 256 KBPS connection). When I actually download a big file from any of the sites, the max download speed is always 32 kbps. Why this difference? Is something wrong with speedtest.net?

Answer : What is the actual download speed of my Internet Connection?

Maximum download and upload speeds?

Translated to: Speed (KBps)

128 = 16
256 = 32
384 = 48
768 = 96
1000 = 125
1500 = 187.5
2000 = 250
3000 = 375
7100 = 887.5

The speeds above are the same factor for Upload as well. It's worth noting that some of your bandwith is eaten up by packet headers. Your upload and download speed are dependent upon each other, so if you use a lot of upload it can affect your download speed.

Note: 1 Kilobyte = 8 Kilobits.
Or, To calculate kilobits from kilobytes, "multiply" by 8. Example: 1 Kilobyte = 8 kilobits

What's this mean to me?



In the image above, the download speed is indicated in KBps. Using the chart, that translates to an actual download speed of around 1250 kbps, or 1.25 megabits.

For example: 1500 Downstream is equal to 1500/8 (1500 divided by 8) Which gives you 187.5KBps maximum downstream. Reaching That speed with a 1.5Mbps connection (1500kbps) is theoretically minimal, although you may come close.

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