Exactly how old am I in years, months, and days?
Enter your birth date - the tool shows your age down to the day, plus: total days, hours, minutes, and seconds you've lived.
Bonus: which day of the week you were born, your zodiac sign, days until your next birthday.
Perfect for health apps requiring precise age, official forms, curiosity, or memorial calculations ("how many days has my baby lived").
How to use it
- Pick your birth date in the field.
- The tool immediately shows your age in years, months, and days.
- Below: total days, hours, minutes, seconds lived.
- Bonus: birth day of the week, zodiac sign, days until next birthday.
When this is useful
Reasons to know age down to the day:
- Health apps - some require age down to the month/day (e.g. medication dosing for kids).
- Official forms - "exact age in years on date DD.MM.YYYY". Check precisely.
- Personal curiosity - "how many days have I actually lived?". Surprisingly large number (e.g. 35 years = around 12,800 days).
- Dating apps - "age difference with partner". Day-level precision.
- Celebrating fun milestones - 10,000 days alive, 1 million minutes. Quirky but fun benchmarks.
- Baby age - parents often count "how many days old is the baby" in the first months. Check here.
- Zodiac sign check - someone born December 22 - Sagittarius or Capricorn? (Last day of Sagittarius is December 21).
To calculate the difference between any two dates, use our date difference. To count down to your next birthday or another event, see countdown timer.