Waist-to-Height Ratio Calculator
Check whether your waist size suggests extra fat around the middle.
Heart health
Heart and blood vessels: prevention, symptoms that need attention and everyday habits.
Tools
Waist-to-Hip Ratio Calculator
Compare your waist and hip size using the WHO cut-offs.
Saturated Fat Limit Calculator
WHO upper limit for saturated fat in grams for your calorie intake.
Blood Pressure Category Checker
See which ACC/AHA 2017 category a blood pressure reading falls in, with the ESC 2024 view alongside.
Everyone & professionals
Mean Arterial Pressure (MAP) Calculator
Estimate mean arterial pressure from systolic and diastolic blood pressure.
Everyone & professionals
Pulse Pressure Calculator
The difference between systolic and diastolic blood pressure.
Maximum Heart Rate Calculator
Age-predicted maximum heart rate (Tanaka and the traditional 220 − age).
Heart Rate Reserve Calculator
The gap between your maximum and resting heart rate.
Target Heart Rate Calculator
Heart rate zones for moderate and vigorous exercise (ACSM, Karvonen method).
Everyone & professionals
Non-HDL Cholesterol Calculator
Non-HDL cholesterol: total cholesterol minus HDL.
Cholesterol Ratio Calculator
Total cholesterol to HDL ratio, and LDL to HDL ratio if you have LDL.
For healthcare professionals
Calculated LDL Cholesterol (Friedewald & NIH)
Estimate LDL cholesterol from a standard lipid panel using the Friedewald and NIH (Sampson) equations.
For healthcare professionals
CHA₂DS₂-VASc / CHA₂DS₂-VA Score
Stroke risk score in atrial fibrillation, with the sex-neutral CHA₂DS₂-VA used by ESC 2024.
For healthcare professionals
HAS-BLED Bleeding Risk Score
One-year major bleeding risk in patients with atrial fibrillation on anticoagulation.
Cholesterol Unit Converter
Convert total, LDL, HDL or non-HDL cholesterol between mg/dL and mmol/L.
Featured articles
The first guide on this topic will be published after medical review.