Planet
Your Age on Earth
The only world we know of that hosts life — the pale blue dot.
Enter your birth date
See your Earthage, next birthday, and milestones.
Earth
365.25Earth days per year
9.807Surface gravity (m/s²)
1Moons
Frequently Asked Questions
How long is a year on Earth?
One Earth year is 365.25 Earth days — that is how long Earth takes to orbit the Sun.
How is my Earth age calculated?
We divide the days you have been alive by 365.25, the length of a Earth year in Earth days.
When is my next Earth birthday?
Your next Earth birthday happens when you complete another full orbit's worth of Earth days — roughly every 365 days.