Insert the information in the form and the calculator will determine the pack years.

What is the pack years calculator?

The pack year calculator is a tool that computes the amount of cigarettes you smoked in your life and provides a pack year value.

How to calculate pack years?

To calculate pack years you should use the following formula:
pack years = (cigarettes per day / 20) * years

Why use pack years calculator?

The pack year calculator is used in order to determine the amount of cigarettes you smoked in your life and provides a pack year value.