How Long Does It Take to Upload 10 GB at 10 Mbps?
Uploading 10 GB at 10 Mbps takes about 2 hours 23 minutes under ideal conditions — expect roughly 2 hours 58 minutes to 4 hours 46 minutes in practice.
Why the real-world time is longer
A 10 GB file contains about 85.9 gigabits of data. At the full 10 Mbps line rate that transfers in 2 hours 23 minutes. Real upload speeds, however, usually reach only 50–80% of the advertised rate because of protocol overhead, Wi-Fi conditions, network congestion, and limits on the other end of the connection — which is why a realistic estimate for this transfer is 2 hours 58 minutes to 4 hours 46 minutes. Press Calculate above to test your own numbers.