Study & learning
Study & learning

Epidemic (SIR) Spread Simulator

See how infections spread, peak and fade.

Private by design

Your inputs stay on your device and are not sent to our servers. Optional usage analytics does not receive your files or tool inputs.

Preparing tool

How to use Epidemic (SIR) Spread Simulator

  1. Pick a preset or set R₀ and the infectious period.
  2. Add vaccination and distancing, and choose the population and hospital beds.
  3. Watch the curves, read the peak and hospital load, and export the picture.
Read the detailed guide →

What are the limits of Epidemic (SIR) Spread Simulator?

A teaching model with simplifying assumptions stated in the method; it runs entirely in your browser.

YOUR BROWSER, YOUR CHOICE