Incidence Rate Calculator

Calculate disease incidence rate. Determine new cases per population at risk over a specific time period.

Epidemiological Data

Results

Enter epidemiological data to calculate incidence rate

About Incidence Rate

  • • IR = (New Cases / Person-Years) × Multiplier
  • • Measures new disease occurrence
  • • Usually per 1,000 or 100,000
  • • Different from prevalence