◇ On your device
File transfer time calculator
Estimate ideal transfer time from file size and link speed.
Result
How it works
- Enter file size in bytes and link speed in Mbps.
- Run the calculation.
- Treat the result as an ideal lower-bound estimate.
Related tools
Media file size calculator
Estimate encoded audio or video size from constant bitrate and duration.
Time Calculator
Use Time Calculator locally in your browser with bounded inputs and deterministic formulas.
Video bitrate calculator
Estimate available video bitrate from target size, duration and audio bitrate.