How to estimate download time remaining (accurately)?

Question

Sure you could divide the remaining file size by the current download speed, but if your download speed fluctuates (and it will), this doesn\'t produce a very nice result.

Answer 1

I use this equation I derived myself.

• E(d) represents the estimated time left before download finishes;
• S(d) represents the download size;
• L represents the size of the part of the file that is already downloaded; and
• r represents the calculated download speed.

In VB.NET code:

Dim ed As TimeSpan = TimeSpan.FromSeconds((sd - l) / r)