Aisha K.
Mar 12, 2026
Clean layout and the results update instantly. Exactly what I needed for a quick planning check.
Health, Fitness & Wellness
Maximum Heart Rate Calculator by Age
Classic: 220 − age; Tanaka: 208 − 0.7×age.
Estimate max heart rate from age using common population formulas. Estimates only—not a diagnosis or prescription.
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Tailored to your live inputs and result—guidance only, not professional advice.
- Interpret
Treat this as a planning estimate
Primary result: Estimated max HR = 180 bpm. Re-run with optimistic and pessimistic inputs to understand the range—not just a single point.
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Plain-English guide
Terms & how it works
Confused by a field? Read the short definitions here while you use the tool.
Age (years)
Length of the repayment schedule.
How this calculator works
Estimate max heart rate from age using common population formulas. Estimates only—not a diagnosis or prescription. Classic: 220 − age; Tanaka: 208 − 0.7×age. Example: Age 40 → classic max HR ≈ 180 bpm.
Classic: 220 − age; Tanaka: 208 − 0.7×age.
Example: Age 40 → classic max HR ≈ 180 bpm.
When to use this Maximum Heart Rate
Common use cases
- Estimate max heart rate from age using common population formulas.
- Sanity-check with this case: Age 40 → classic max HR ≈ 180 bpm.
- The relationship is: Classic: 220 − age; Tanaka: 208 − 0.7×age.
Localized examples
- Health, Fitness & Wellness: the example on this page uses the same formula as the widget.
What you get
- Fields: Age (years)
- Classic: 220 − age; Tanaka: 208 − 0.7×age.
- Example on the page: Age 40 → classic max HR ≈ 180 bpm.
How to Calculate Maximum Heart Rate Step-by-Step
- 1Enter Age (years). Use the values you have, not a catalog average, unless that is all you know.
- 2Classic: 220 − age; Tanaka: 208 − 0.7×age.
- 3Worked case: Age 40 → classic max HR ≈ 180 bpm.
- 4If this number would change a drug, a diet, or a return-to-play call, take it to a clinician. The page never examined you.
Governing formula
Classic: 220 − age; Tanaka: 208 − 0.7×age.
Age 40 → classic max HR ≈ 180 bpm.
Example: set Age (years) = 40, then read the result.
Variable definitions
- ageYears
Age (years)
The “Age (years)” field. Default 40; typical range 15–90.
- The formula (Classic: 220 − age; Tanaka: 208 − 0.7×age.) does not see labs, medications, sleep, or injury history. A clinician does.
- Nothing here is uploaded for the calculation itself.
Frequently Asked Questions
Classic: 220 − age; Tanaka: 208 − 0.7×age.
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Reviews & Ratings
See what others think about this tool, then leave your own rating to help improve CalculioHub.
4.8
out of 5.0
4 reviews
Daniel R.
Feb 28, 2026
Very usable on mobile. Would love a save/export option later, but the math feels solid.
Priya S.
Feb 3, 2026
The FAQ section answered my questions before I even had to search. Smooth dark mode too.
Marcus L.
Jan 19, 2026
Simple inputs, clear outputs. This replaced three bookmarks I used to juggle.
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