Enter the total number of cases and the total population into the Calculator. The calculator will evaluate the Cases Per Million. 

Cases Per Million Formula

CPM = C / P * 1,000,000

Variables:

  • CPM is the Cases Per Million (cases/million people)
  • C is the total number of cases
  • P is the total population

To calculate Cases Per Million, divide the number of cases by the total population, then multiply by 1,000,000.

How to Calculate Cases Per Million?

The following steps outline how to calculate the Cases Per Million.


  1. First, determine the total number of cases. 
  2. Next, determine the total population. 
  3. Next, gather the formula from above = CPM = C / P * 1,000,000.
  4. Finally, calculate the Cases Per Million.
  5. After inserting the variables and calculating the result, check your answer with the calculator above.

Example Problem : 

Use the following variables as an example problem to test your knowledge.

total number of cases = 50

total population = 50000

FAQ

What is the importance of calculating Cases Per Million?

Calculating Cases Per Million helps in understanding the scale of occurrences (like diseases, complaints, or defects) in relation to the size of the population. It provides a standardized measure to compare incidences across different populations or time periods, making it easier to identify trends or areas of concern.

Can Cases Per Million be used for comparing different countries or regions?

Yes, Cases Per Million is a valuable metric for comparing the frequency of cases between different countries or regions. Since it accounts for population size, it allows for a fair comparison even if the populations vary significantly.

How can inaccuracies in population data affect the calculation of Cases Per Million?

Inaccuracies in population data can significantly affect the calculation of Cases Per Million. If the population is underreported, the Cases Per Million value may be artificially high, suggesting a more severe situation than it actually is. Conversely, overestimation of the population can result in a lower Cases Per Million value, potentially underplaying the severity of the situation.

Are there limitations to using Cases Per Million as a measure?

While Cases Per Million is a useful measure for standardizing the frequency of occurrences across populations, it has limitations. It does not account for the distribution of cases within a population or other factors such as age, gender, or socioeconomic status. Therefore, while it’s a helpful starting point for analysis, it should be used alongside other metrics for a comprehensive understanding.