What is the Download Time Calculator?
The download time calculator estimates how long a file will take to download from its size in megabytes and your connection speed in megabits per second.
How to use the Download Time tool
- Enter File size and Connection speed.
- The result updates instantly as you type, or press Calculate.
- Use Try an example to see how it works, and Reset to start again.
Formula
Time (seconds) = file size in MB × 8 ÷ speed in Mbps. There are 8 bits in a byte.
Worked example
With file size 700 MB, connection speed 50 Mbps, the download time comes to 1 min 52 s. Seconds: 112.
Frequently asked questions
Why is my real speed lower?
Overheads, Wi-Fi, server limits and congestion reduce speed below the advertised rate.
What is the difference between MB and Mb?
A capital B is bytes, a lowercase b is bits. One byte equals eight bits.
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