Internet File Transfer Calculator. Calculate the estimated time to download or transfer a file by entering the file size and your download speed bandwidth below. Your data transfer time depends on many factors.

This calculator can be used to compute a variety of calculations related to bandwidth including converting between different units of data size calculating downloadupload time calculating the amount of bandwidth a website uses or converting between monthly data usage and its equivalent bandwidth. Use it to get an estimate of how long it will take to transfer a file of certain size. Access to all calculators requires a one time registration.
But our download calculator does the best.
It will take 20 seconds to transfer a 250 mb file across a 100 mbps connection. Use it to get an estimate of how long it will take to transfer a file of certain size. Our calculator shows the time taken to transfer a file when using our udp enabled desktop app. When sending very large files many gigabytes or terabytes it is important to control the size of the file chunks sent over the wire.