How the calculation works
Time = file size × 8,000 ÷ effective speed in Mbps, where effective speed = speed × (1 − overhead).
Frequently asked questions
Why is my real speed lower?
Wi-Fi, server limits and other devices share the connection.
Megabits or megabytes?
Connection speeds are in megabits per second. Divide by 8 for megabytes per second.