Download Time Calculator

Put in file size + current speed get the ETA instantly.

✓ FAST ✓ LOCAL ✓ EASY
Just enter what you see.
MB/s or Mbit/s — both work. The calculator converts it automatically.
Usually shown next to the download (e.g. “52.7 GB”).
Use what your downloader shows (Steam/Epic/Browser).
ADVANCED OPTIONS (optional)
Only if you want the ETA from your current progress.
%
Keeps the ETA realistic when speed fluctuates. Default: 10%.

Download Time Calculator — fast and simple

Estimate how long a download will take based on file size and your current speed. Works with MB/s and Mbit/s — the calculator converts everything automatically. No uploads, no accounts — just a clean ETA and finish time.

✓ MB/s & Mbit/s supported

Enter the speed exactly as shown in your app or speed test. The tool converts units correctly in the background.

✓ Realistic estimates (optional buffer)

Speeds fluctuate. Use the safety buffer for a more realistic ETA when Wi-Fi or servers vary.

✓ Finish time & remaining size

See the remaining time, how much data is left, and when your download finishes — at a glance.

✓ Private (local use)

This is a simple calculator — no file uploads. Your numbers stay in your browser.

FAQ

MB/s vs Mbit/s — what should I enter?

Enter whatever you see. Steam/Epic often shows MB/s, speed tests often show Mbit/s. The calculator converts it correctly.

Why does the ETA change during a download?

Your download speed can fluctuate due to Wi-Fi, server load, device performance, or background traffic. Use the optional safety buffer for a more stable estimate.

Can I calculate remaining time from progress?

Yes. Use Already downloaded to estimate the remaining time from your current progress.