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व्यावहारिक

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🫀Heart Rate Zone Calculator

What is Heart Rate Zones?

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Heart rate training zones define intensity levels for cardio exercise. The Karvonen formula uses heart rate reserve (HRmax − resting HR) to give personalised zones more accurate than simple %HRmax methods.

Calkulon makes complex calculations simple — built for students and everyday problem-solvers.

How to Heart Rate Zones

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  1. 1HRmax estimate = 220 − age (or use lab test)
  2. 2Heart rate reserve (HRR) = HRmax − Resting HR
  3. 3Zone HR = Resting HR + (HRR × % intensity)
  4. 45 zones: 50–60% / 60–70% / 70–80% / 80–90% / 90–100% HRR

Worked Examples

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Example 1
Given:Age 35 · Resting HR 60 · HRmax 185
परिणाम:Zone 2 (aerobic base): 111–125 bpm

60+(185−60)×0.6 to 0.7

Training zones and benefits

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ZoneIntensityPrimary benefit
Z1 Recovery50–60%Active recovery
Z2 Aerobic base60–70%Fat burning, endurance
Z3 Aerobic70–80%Cardiovascular fitness
Z4 Threshold80–90%Lactate threshold, speed
Z5 VO2max90–100%Maximum aerobic power
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Did you know?

Zone 2 training (comfortable aerobic pace) is where elite endurance athletes spend 70–80% of their training time — building the aerobic base that supports faster work.

केवळ माहितीच्या उद्देशाने. हे साधन व्यावसायिक वैद्यकीय सल्ला, निदान किंवा उपचारांचा पर्याय नाही. नेहमी पात्र आरोग्य व्यावसायिकांचा सल्ला घ्या.
Deep Dive

Read the full guide on how to use this calculator effectively

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तुम्हाला कदाचित गरज असेल
Formula-verified for precision
Reviewed October 2026
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