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Download time calculator

Find out how long a download or upload will take at your internet speed, and what speed you need.

How to use the download time calculator

  1. Enter the file size, or pick a preset like a 4K movie.
  2. Enter your internet speed.
  3. Read the time, and compare it with other speeds.

Frequently asked questions

Why add overhead?

Network protocols, Wi-Fi and busy servers mean real downloads rarely reach the advertised speed. 10% is a fair estimate on a good connection.

How long does 100 GB take on 300 Mbps?

About 49 minutes with 10% overhead, or 44 minutes in theory.

Related tools

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