Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

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.

Packs per Day (packs)

Years Smoked (years)

Fill in the required fields to see your result.

Medicine

10-Year Heart Disease Risk Calculator

Estimates your 10-year risk of a cardiovascular event using key clinical risk factors including age, blood pressure, cholesterol, HDL, and smoking status. Use it to understand your personal risk level and guide conversations with your doctor.

Age (years)

Systolic Blood Pressure (mmHg)

Total Cholesterol (mg/dL)

HDL Cholesterol (mg/dL)

Smoking Status

Fill in the required fields to see your result.

Key differences

	Pack Years Calculator	10-Year Heart Disease Risk Calculator
Category	Medicine	Medicine
Inputs required	2	5
Result	Pack Years (pack-years)	10-Year CVD Risk (%)
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.	Estimates your 10-year risk of a cardiovascular event using key clinical risk factors including age, blood pressure, cholesterol, HDL, and smoking status. Use it to understand your personal risk level and guide conversations with your doctor.