Conditional Life Expectancy Calculator

This will show the average years a person can expect to live based on current age and health profile.

Health profile
Age
now
Gender
Smoking
Drinking
Weekly exercise
Blood pressure
Systolic blood pressure (SBP)
Longevity estimates
Total life expectancy : years
Additional life expectancy : years
Probability of living more years :
Probability of being years old :
Disclaimer
The estimates of this life expectancy, based on the mortality rates and medical research on US adults done by Harvard and other institutions, do not take into account other factors, such as individual disease, personal medical history, family health, and the future progress of public health, that could increase or decrease the estimates.
instruction icon Instruction
This longevity calculator can estimate the life expectancy based on your age and health profile
  1. 1

    To start, first, input the current age and select the biological gender, smoker or non-smoker, and the frequency of alcohol consumption. Regular drinking is defined as taking more than 2 drinks in a day for adult men and more than 1 drink for adult women.

    To find out how smokers' lifespan may be reduced, check this study Heavy smokers cut their lifespan by 13 years on average.

  2. 2
    Select your exercise habit. Suppose you consistently spend 3 to 5 hours weekly on vigorous exercise, 5 to 10 hours on moderate exercise, or 4 to 7 hours on a combination of vigorous and moderate exercise. The study shows that these physical activities may reduce mortality and improve longevity. Besides, age doesn't affect the benefit of the exercise you choose.
  3. 3
    Input the blood pressure. Normal blood pressure is considered a healthy level if the "top number" (systolic) is lower than 120 mmHg and the "bottom number" (diastolic) is lower than 80 mmHg. If the systolic blood pressure is greater than 130 mmHg, or the criteria of Stage 1 hypertension or worse is met, the study shows an increased risk of all-cause mortality.
  4. 4
    Check the life expectancy and probability of living longer. The table of longevity estimates can answer all the following questions:
    1. Total life expectancy, namely the expected age at which a person may die.
    2. Additional life expectancy. This is the average remaining years of a person's life at a given age.
    3. Probability of living N more years. This can help answer the following questions: For example, if I am a 65-year-old retired man, should I prepare to keep financially strong for another 30 years, or is 20 years good enough? Is the probability of living that long high or not?
    4. Probability of reaching a certain age. For example, what is the likelihood of becoming a centenarian (age 100+)?
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