Transfer Time

Estimate how long a file takes to download or upload at a given bandwidth, or work backwards to the bandwidth needed to move it in a target time. Handles decimal and binary units, bits and bytes, and protocol overhead. Pure math, offline in your browser session.

Transfer time 1 min 20 s
Effective throughput 100 Mbps (12.5 MB/s)
Total seconds 80 s
Required bandwidth 2.222 Mbps (0.278 MB/s)
Effective throughput 2.222 Mbps