Frequently Asked Questions
How precise is the calculation?
It is precise to your input precision. If you enter to the minute, the result is accurate within a minute. JavaScript timestamps are millisecond-precision.
Why does sleep show as 1/3 of life?
Most humans sleep about 8 hours per 24, which is 1/3. Newborns sleep more (16 h); elderly less (6-7 h). The estimate is rough.
Can I include unborn time?
No - this counts from your DOB. For total life including gestation, add ~9 months (270 days) to days alive.
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Estimates for informational purposes only.
Important Disclaimer: Estimates for informational purposes only.
This calculator provides estimates for informational purposes only. Results are based on assumptions and may not reflect actual outcomes. Consult qualified professionals in relevant fields before making important decisions based on these results.