Days Lived Calculator

A standard age calculator gives you years, months, and days — useful, but not very shareable. This one is built for the fun framing instead: total days, sunrises, full moons, and an estimated heartbeat count, the kind of numbers people actually enjoy sharing.

It multiplies your total minutes lived by an average resting heart rate of roughly 75 beats per minute. It's a fun approximation, not a personal measurement — actual heart rate varies constantly with activity, age, and fitness.

The average lunar cycle (a "synodic month") is about 29.53 days — the count here is simply your total days lived divided by that figure, not a lookup of the actual historical full moon dates during your lifetime.