Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Medicine
Pack Years Calculator
Calculates cumulative smoking exposure in pack-years by multiplying daily cigarette packs by years smoked. Used by physicians to quantify lung cancer risk, COPD staging, and eligibility for lung cancer screening programs.
Fill in the required fields to see your result.
Medicine
BMI & Body Fat Calculator
Calculate your BMI and estimated body fat percentage using your weight, height, age, and gender. Use it to screen for underweight, overweight, or obesity and understand your health risk category.
Fill in the required fields to see your result.
Key differences
| Pack Years Calculator | BMI & Body Fat Calculator | |
|---|---|---|
| Category | Medicine | Medicine |
| Inputs required | 2 | 2 |
| Result | Pack Years (pack-years) | BMI |
| What it does | Calculates cumulative smoking exposure in pack-years by multiplying daily cigarette packs by years smoked. Used by physicians to quantify lung cancer risk, COPD staging, and eligibility for lung cancer screening programs. | Calculate your BMI and estimated body fat percentage using your weight, height, age, and gender. Use it to screen for underweight, overweight, or obesity and understand your health risk category. |