Risk Calculator

Find absolute risk from events and population.

Risk (%) 5
Odds (:1) 0.0526

Formula: risk = events ÷ total

Step-by-step with your numbers:
1. Values used:
2. Number of events = 25
3. Total population = 500
4.
5. Risk = 5%
6. Odds = 0.0526:1
Did we solve your problem today?

Absolute risk is the simple probability of an event in a group.

The math behind it

risk = events ÷ total. Converting to odds: odds = p ÷ (1 − p).

Worked example

25 events in 500 → 5% risk (odds 0.0526:1).

FAQ

Risk vs odds?

Risk is out of the whole; odds compare events to non-events.