Life Expectancy Calculator
Calculate your estimated life expectancy based on your age, gender, lifestyle, and other factors. This calculator provides an estimate based on statistical data and should not replace medical advice.
About the Life Expectancy Calculator
Our free life expectancy calculator uses Australian life expectancy data and your lifestyle choices to estimate how long you might live. Life expectancy at birth in Australia is among the highest in the world (around 81 years for men and 85 for women). This tool adjusts the baseline for your current age, sex, smoking status, exercise level, and diet so you can see how these factors may affect your estimated years remaining. The result is for general information only and is not a medical prediction—individual outcomes depend on genetics, health conditions, and many other factors. Use it to start conversations with your doctor about healthy ageing and risk reduction.
Why lifestyle matters: Smoking, physical activity, and diet are strongly linked to longevity. Quitting smoking, staying active, and eating well can add years to life expectancy on average. The calculator applies simple adjustments based on these inputs. For personalised health advice, always consult a healthcare provider.
Frequently Asked Questions About Life Expectancy
How accurate is this life expectancy calculator?
It gives a rough estimate based on Australian averages and the lifestyle factors you enter. It cannot account for your full medical history, genetics, or environment. Use it as a general guide, not a medical prognosis.
Why does my result change when I change lifestyle factors?
Smoking, exercise, and diet are associated with longer or shorter life expectancy in population studies. The calculator applies these associations to show how your choices might influence the estimate.
What is Australian life expectancy?
Australian life expectancy at birth is around 80–85 years, depending on sex and the data source. If you have already reached a certain age, your expected remaining years can be higher because you have passed some early-life risks.