Download Time Calculator

How to calculate download time

A byte contains eight bits. Multiply file size in megabytes by eight, then divide by speed in megabits per second to calculate ideal transfer time in seconds.

Formula

file MB × 8 ÷ Mbps

Worked example

File size (MB)

1,000

Speed (Mbps)

50

Applying the formula to these values gives 160 seconds.

What should I check?

This uses decimal MB and Mbps. Network overhead, Wi-Fi quality and server limits can increase actual download time.

Use the reset button to restore this example. Your inputs are processed in this browser and are not included in a shared calculator link. See our methodology and limitations.