Precise Age Calculator
Calculate your exact age down to the second. Find out how many years, months, days, hours, minutes, and seconds you have lived, plus your zodiac sign and days until your next birthday.
Precise Age Calculator
Calculate your exact age in years, months, days, hours, minutes, and seconds
📅 Current time: 2/25/2026, 1:00:24 PM
Age Milestones
| Age | Days | Hours | Heartbeats* |
|---|---|---|---|
| 1 year | 365 | 8,760 | ~42 million |
| 10 years | 3,652 | 87,648 | ~420 million |
| 18 years | 6,574 | 157,776 | ~756 million |
| 30 years | 10,957 | 262,968 | ~1.26 billion |
| 50 years | 18,262 | 438,288 | ~2.1 billion |
| 80 years | 29,220 | 701,280 | ~3.36 billion |
* Estimated at average 80 beats per minute
Zodiac Signs
How to Use
- 1Enter birth date — Select your date of birth from the date picker.
- 2Add birth time (optional) — Enable the birth time option for more precise calculations.
- 3View your age — See your exact age broken down into years, months, days, and more.
- 4Explore additional info — Discover your zodiac sign and countdown to your next birthday.
Frequently Asked Questions
How accurate is this age calculator?
The calculator is accurate to the second when you include your birth time. It accounts for varying month lengths and leap years. The display updates in real-time every second.
Why does my age in days seem so high?
A year has 365 days (366 in leap years), so even a young person has lived thousands of days. For example, a 30-year-old has lived approximately 10,950 days!
How is the zodiac sign determined?
Your zodiac sign is determined by your birth date according to Western astrology. The calculator uses the traditional date ranges for each of the 12 zodiac signs.
Does the calculator account for leap years?
Yes, the calculator correctly handles leap years when calculating your age and the number of days you have lived.
Why include birth time?
Including your birth time allows for precise calculation of hours, minutes, and seconds lived. Without it, the calculator assumes midnight (00:00) as your birth time.