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File Transfer Time Calculator

Files · free · runs in your browser

Plan your backups in the field: enter how much data you shot and your card reader or connection speed to estimate transfer time.

Transfer time
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How it works

Time = size (MB) ÷ speed (MB/s). Real-world speeds are often 60–80% of the rated maximum.

FAQ

Why is my transfer slower?
The slowest link wins: the card, the reader, the cable or the computer's drive.

Embed this tool on your site

Free to embed on blogs, club websites and forums — copy the code below. A small credit link is included.