Building Your Own Visual Aid Online

Decide which visual aid is better for your purpose.

1000-person Palette: usually better for healthcare risks and similar events where the likelihood is more likely than 1 person out of a thousand. (Eg. 1 in 800; 1 in 350)

Perspective Scale: usually better for comparative purposes and works best for displaying risks between 1 in 10,000,000 and 1 in 100.