Counting by age range instead of one average
Heart rate and breathing rate shift a great deal with age, so multiplying a single average across a whole life drifts far off. This tool takes the ranges from you instead. Write one line with a start age, an end age, and the beats and breaths per minute for that stretch, and every range is counted on its own, listed in the table and then added together. If two ranges overlap, or leave a gap in between, the lines involved are named.
Each range multiplies its length in years by 365.2425 days, then by the 1,440 minutes of a day, then by the per-minute rate. Each range is rounded to a whole number first and the total is the sum of those rounded rows, so the table always adds up exactly to the total shown. The 365.2425 figure is the mean length of a Gregorian year once the four, hundred and four hundred year leap rules are counted in. Rates are not pre-filled, because beats and breaths per minute vary by person, age and activity and no single official reference value settles them. (As of October 2026)
Nothing here judges health or sorts a rate as normal or abnormal, and no count of days lived is produced. The figures are an estimate built from the numbers you supplied, so do not use them for medical decisions.
Frequently asked questions
Beats and breaths per minute vary by person, age and activity, and no single official reference value settles them, so every range takes its own figures from you.
365.2425 days, the mean length of a Gregorian year once the four, hundred and four hundred year leap rules are applied.
The shared years are counted twice, which inflates the total. Overlaps and gaps are reported with the line numbers involved so you can fix the entry.