Target Heart Rate Calculator

Name: Target Heart Rate Calculator
Author: Jitendra Kumar

Estimate moderate, vigorous, custom, and training-zone heart rate ranges using age, resting heart rate, max heart rate formulas, and heart-rate reserve.

Last Updated: May 2026

Use Heart Rate With Effort Cues

Heart-rate zones are estimates. If you have heart disease, symptoms, pregnancy, medication that changes pulse, or are new to exercise, ask a clinician about safe targets.

Cardio Intensity

Find moderate, vigorous, and custom heart-rate zones

Load a scenario or enter your age and resting heart rate to estimate target training ranges using max-heart-rate or heart-rate-reserve logic.

Heart Rate Inputs

Age

Resting Heart Rate

bpm

Morning resting pulse is usually a better input than a stressed daytime pulse.

Calculation Method

Uses a direct percentage of estimated maximum heart rate.

Max Heart Rate Formula

Custom Low Intensity

Custom High Intensity

Current Exercise Heart Rate

bpm

Optional. Enter 0 to skip current-zone classification.

Target Heart Rate Calculator Disclaimer

This calculator is educational and does not diagnose fitness, heart disease, or safe exercise capacity. Stop exercise and seek medical help for chest pain, fainting, severe shortness of breath, irregular symptoms, or clinician warning signs. Ask a healthcare professional for personalized zones if you have medical conditions, take heart-rate-altering medication, are pregnant, or are returning after illness or injury.

Reviewed For Methodology, Labels, And Sources

Every CalculatorWallah calculator is published with visible update labeling, linked source references, and founder-led review of formula clarity on trust-sensitive topics. Use results as planning support, then verify institution-, policy-, or jurisdiction-specific rules where they apply.

Reviewed By

Jitendra Kumar, Founder & Editorial Standards Lead, oversees methodology standards and trust-sensitive publishing decisions.

Review editor profile

Topic Ownership

Sales tax and tax-sensitive estimate tools, Education and GPA planning calculators, Health, protein, and screening-formula pages, Platform-wide publishing standards and methodology

See ownership standards

Methodology & Updates

Page updated May 2026. Trust-critical pages are reviewed when official rates or rules change. Evergreen calculator guides are checked on a recurring quarterly or annual cycle depending on topic volatility.

Sources & methodology About the review process

How to Use This Calculator

Step 1: Enter age
Age is used to estimate maximum heart rate from the selected formula.
Step 2: Enter resting heart rate
Use a calm morning pulse if you plan to use heart-rate reserve.
Step 3: Choose a method
Use percent of max heart rate for a simple estimate or heart-rate reserve for a more individualized range.
Step 4: Set custom intensity
Use custom low and high percentages for Zone 2, tempo, intervals, or clinician-directed targets.
Step 5: Compare with effort cues
Check heart rate against breathing, talk test, symptoms, and perceived exertion.

How This Calculator Works

The calculator first estimates maximum heart rate from age. You can use the common 220-minus-age estimate or alternative population formulas. These are general estimates, not measured exercise-test results.

The percent-of-max method multiplies estimated maximum heart rate by the selected intensity percentage. The heart-rate-reserve method first subtracts resting heart rate, applies the intensity percentage to that reserve, and adds resting heart rate back in.

The result shows broad public-health ranges for moderate and vigorous intensity, a custom range, and five practical zones. Use the numbers with the talk test and perceived exertion because heat, stress, caffeine, hydration, medication, and fatigue can all move heart rate.

What You Need to Know

1) Target Heart Rate Formulas

Target heart rate is a practical way to estimate aerobic intensity. It is most useful when combined with breathing, talk-test feedback, and symptoms rather than treated as a rigid rule.

Method	Formula	Use note
Percent of max HR	Target = max HR x intensity %	Simple method used for broad moderate and vigorous zones.
Heart-rate reserve	Target = resting HR + ((max HR - resting HR) x intensity %)	Also called Karvonen; accounts for resting heart rate.
220 - age	Max HR = 220 - age	Common age-predicted maximum heart rate estimate.
208 - 0.7 x age	Max HR = 208 - (0.7 x age)	Alternative age-predicted formula used in exercise-intensity examples.

2) Moderate vs Vigorous Intensity

Public-health guidance commonly uses moderate and vigorous intensity to describe weekly aerobic activity. Heart rate helps quantify the effort, while the talk test helps verify whether the number matches how the exercise feels.

Intensity	Typical range	Effort cue
Moderate intensity	About 50-70%	You can talk but not sing; useful for sustainable aerobic work.
Vigorous intensity	About 70-85%	You usually cannot say more than a few words without pausing for breath.
High-intensity intervals	Often above 85%	Best used selectively, especially for trained users with appropriate recovery.
Recovery / warm-up	Often 50-60%	Easy movement, warm-ups, cool-downs, and low-stress days.

3) When Heart Rate Can Mislead

Heart rate is affected by more than exercise intensity. Heat, dehydration, poor sleep, caffeine, stress, altitude, illness, and some medications can make the same pace produce a different pulse. In those cases, perceived exertion and clinician guidance matter.

4) Where to Go Next

Estimate session energy cost in the Calories Burned Calculator, then connect training with intake using the Calorie Calculator or TDEE & Macro Calculator.

Keep the research moving with Calories Burned Calculator, Calorie Calculator, TDEE & Macro Calculator, and Sleep Calculator.

Frequently Asked Questions

A target heart rate is a beats-per-minute range used to estimate exercise intensity during aerobic activity.

A common estimate is 220 minus age. This calculator also includes 208 minus 0.7 times age and 211 minus 0.64 times age so you can compare common population formulas.

The heart-rate reserve method subtracts resting heart rate from estimated maximum heart rate, applies the intensity percentage, then adds resting heart rate back in.

Public-health references often describe moderate intensity as about 50% to 70% of maximum heart rate. The talk test should also fit: you can talk but not sing.

Vigorous intensity is commonly estimated at about 70% to 85% of maximum heart rate. You usually cannot say more than a few words without pausing for breath.

Wearables can lag during intervals, lose accuracy with movement, or use different zone logic. Chest straps and measured lab tests can be more precise.

Ask a clinician. Some medicines, including certain blood pressure medicines, can change heart-rate response and make perceived exertion more useful than a generic heart-rate zone.