Life Tally · Guides
The days worth knowing about
Calculators for the days your counts land on something, worked out exactly the way Life Tally counts them. Everything runs on the page; nothing you type is sent anywhere.
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How many days old am I? →
Your age in days, weeks, hours and seconds, counted exactly from your birthday.
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When is my 10,000th day? →
The date you turn 10,000 days old, and the round days after it.
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When is my billionth second? →
The day and minute you turn a billion seconds old, and the second your count reads light's speed.
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The day your child is half your age →
One day in two lives, once: when a child is exactly half a parent's age, and when two lives make a century.
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Your kids at the same age →
The day your older child was exactly as old as your youngest is today, with their photos side by side.
Also useful
- Life Tally: every named day for you and the people you count with, dated, with its proof.
- Free and Full Roster: free for you and two more; one purchase for everyone.
- Support: answers to common questions, and how to reach us.