Asked by Subash

Hi,

i need to calculate download time for file which is 4GB and the speed is 43.2 kbps.

i know i have to divide file size by the speed and to change GB to KB but not sure how to change GB to kbps?
Answered by Reiny
Kb means 1000 bytes
MB = 1000 KB
GB = 1000 MB = 1000000Kb

so 4 GB / 43.2 kb/s = 1000000/(43.2 kb/sec)
= 23148.1 seconds

divide by 60 to get into minutes, then by 60 again to get it into hours.
Answered by Marth
File sizes are given in bytes, while download speeds are given in bits.

4 GB = 4*1024 MB = 4*1024^2 KB = 4*1024^3 Bytes - 4*1024^3*8 bits.

43.2kbps = 43.2*1000 bits per second.

The time required is 795.364s, or 220.935 hours.

Note that 43.2kbps is quite a low bandwidth.
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