Incidence Rate Calculator
Result
Incidence Rate (per 100,000)300.00
New Cases150
Population at Risk50,000
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Incidence Rate Calculator — free online calculator.
Formula
Incidence Rate = (New Cases ÷ Population at Risk) × 10ⁿ
- Incidence Rate Calculator calculates its result from New Cases, Population At Risk, N. It uses the formula Incidence Rate = (New Cases ÷ Population at Risk) × 10ⁿ. Change any input to recalculate the result instantly. This is an informational calculation and is not medical advice.
- The main inputs are New Cases, Population at Risk, Report Per. Enter them in the units and format shown in the calculator.
- Use the measurement units shown beside each field. The result is an estimate and should be interpreted in context.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Incidence Rate
Inputs
- New Cases: 150
- Population at Risk: 50000
- Report Per: 100000
Using New Cases = 2, Population At Risk = 3, N = 4, the calculated result is 6666.6666666667.
Sample result: Calculating…
Frequently asked questions
What does the Incidence Rate calculate?
Incidence Rate Calculator — free online calculator.
Which values should I enter?
Enter New Cases, Population at Risk, Report Per using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: Incidence Rate = (New Cases ÷ Population at Risk) × 10ⁿ.
Why might my result differ from another source?
Results can differ because measurement methods, rounding and assumptions vary. This calculator is an estimate and is not a medical diagnosis.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.