Tools / Download time calculator
Download time calculator
Enter the file size and your speed. Note: internet speeds are in megaBITS, file sizes in megaBYTES (1 byte = 8 bits).
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🔒 Runs entirely in your browser – nothing you enter is uploaded or stored.
How to use it
- Enter the file size and choose MB, GB or TB.
- Enter your internet speed in Mbit/s.
- Read the estimated time.
Your inputs live only in the link, not on our server.
Last checked: October 2026. Found a mistake? Use the form below – we fix confirmed errors and update the date.
Frequently asked questions
How long does 50 GB take at 100 Mbit/s?
50,000 MB × 8 ÷ 100 = 4,000 s ≈ 1 h 7 min (at 100 % efficiency).
Why is Mbit/s not MB/s?
Speeds are given in bits; 100 Mbit/s are at most 12.5 MB/s.