Exercise Heart Rate Calculator

    Calculate target HR for exercise intensity

    bpm

    Formula

    THR = (HRmax - RHR) × %Intensity + RHR

    Karvonen formula uses heart rate reserve for accurate zones.

    Examples

    Age 30, RHR 65, moderate

    Target: 140-153 bpm.

    Frequently Asked Questions

    About Exercise Heart Rate

    Calculate target heart rate for exercise intensity.