Relative Risk Calculator


In statistics, relative risk is the used for describing the risk of an event that takes place between two groups. The relative risk is generally denoted by "RR".

The formula to calculate relative risk is given by:

Relative Risk Formula

In the below online relative risk calculator, enter the values in exposed group and control group. Finally, Click calculate button to find the answer.


Exposed Group

Number with Positive Outcome (a):


Number with Negative Outcome (b):



Control Group

Number with Positive Outcome (c):


Number with Negative Outcome (d):
Relative Risk (RR):





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