Bandwidth Calculator
Calculate how long a file takes to transfer at a given speed, or the bandwidth needed for a deadline.
Inputs explained
- File Size — The size of the file to transfer. Example: 500.
- File Size Unit — The unit of the file size — MB, GB, or TB.
- Connection Speed — Your connection's speed. Example: 100.
- Speed Unit — The unit of the speed — Mbps or Gbps. Remember 1 byte = 8 bits.
How to use it
- Fill in the fields above — each input has a hint describing exactly what to enter
- Press Calculate to get your result instantly, right on this page
- Copy the result, save the tool to favorites, or share and embed it anywhere
Understanding the result
Example: A 500 MB file over a 100 Mbps connection takes about 40 seconds.
Frequently asked questions
Is the Bandwidth Calculator free to use? Yes — it is completely free, with no sign-up, no download and no usage limits. You can use it as often as you need.
Is my data private? Yes. The calculation runs entirely in your browser — the values you enter are never sent to our servers, stored or shared with anyone.
What information do I need? Just the following: File Size, File Size Unit, Connection Speed, Speed Unit. Each field includes a hint explaining exactly what to enter.
Can I use it on my phone? Yes — the tool is fully responsive and works on any device, and the same calculator is available in the EasyWorkCalcs mobile app.
Privacy
Everything you enter into the Bandwidth Calculator is processed entirely in your browser. Nothing is uploaded, stored or shared — your data stays on your device.