Heart Health Calculator

  • LDL Cholesterol Calculator
    Estimate LDL cholesterol from total cholesterol, HDL, and triglycerides using the Friedewald equation in mg/dL or mmol/L.
  • VLDL Cholesterol Calculator
    Estimate VLDL cholesterol from your triglyceride level using the standard VLDL = Triglycerides / 5 formula. Fast, free, in mg/dL.
  • Cholesterol Ratio Calculator
    Calculate your total cholesterol to HDL ratio (TC/HDL) and HDL percentage. Enter total and HDL cholesterol to assess heart health risk.
  • Estimated Average Glucose (eAG) Calculator
    Convert your HbA1c (%) into estimated average glucose (eAG) in mg/dL and mmol/L using the ADAG study formula. Fast, free and accurate.
  • Stroke Volume Calculator
    Calculate stroke volume (mL/beat) from cardiac output and heart rate, or from end-diastolic and end-systolic volumes. Free, instant SV calculator.
  • QTc Calculator (Corrected QT Interval)
    Calculate the corrected QT interval (QTc) from QT and heart rate using the Bazett, Fridericia, Framingham, or Hodges correction formulas.
  • Rate Pressure Product Calculator
    Calculate Rate Pressure Product (RPP) instantly: multiply heart rate by systolic blood pressure to estimate myocardial oxygen demand and cardiac workload.
  • Karvonen Formula Target Heart Rate Calculator
    Calculate your target heart rate training zone with the Karvonen formula using your age, resting heart rate, and desired exercise intensity range.
  • Target Heart Rate Calculator
    Calculate your target heart rate using age and resting heart rate, and get a personalized training range to guide workout intensity and cardio fitness.
  • VO2 Max Calculator
    Calculate your VO2 Max and assess your cardiovascular fitness level with our easy-to-use VO2 Max Calculator. Input your age, gender, resting heart rate, and maximum heart rate to get an estimate of your maximal oxygen uptake and see how you compare to fitness standards.

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