# MB to Mbps conversion

if you downloaded 250 MB file in 3 minutes, how can you convert into Mbps?
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Commented:
250*1,000,000*8 = mega bits in three minute
=2,000,000,000
Divided by 180 seconds and divide by 1,000,000 (mega bits)
Gives you 11.11 Mbps.

Actual speed is probably a little faster than this as there are other factors which increase the overhead slightly.

Actual connection speed is probably closer to 12Mbps.
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Commented:
or you can simply go to speedtest.net and check out your net connection speed :-)
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Commented:
25112 - what are you looking for?
as said, you can calculate it for theoretical value - or look it up with speedtest for real value
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Commented:
The op hasn't said it is to test to a web site. It may be they are testing between servers on a VPN or something else.
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Commented:
Maybe is good to explain why the calculations are like that in case 25112 has no IT background.
MB - stands for MegaByte (http://en.wikipedia.org/wiki/Megabyte )
Mb - stands fro Megabit (http://en.wikipedia.org/wiki/Megabit)
Mbps - stands for Megabit per second
A Byte is equal with 8 Bits (http://en.wikipedia.org/wiki/Byte)
1MB=8Mb
Then of course 250 MB is 8 times more in Mb and you get 2000Mb for your file.
3 minutes = 3*60s = 180s.
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Author Commented:
this was very helpful.. we were just trying to isolate the download speed variance we were noticing between different machines and what the ISP promised to deliver..
yes, speedtest helped also. thanks!
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