Age Calculator
Find your exact age from your date of birth. See it broken down into years, months, days, hours, and minutes — plus your next birthday countdown, zodiac sign, and the day of the week you were born. Free, private, no signup.
How age is calculated
| Unit | Conversion |
|---|---|
| 1 Year | 365 or 366 days (leap year) |
| 1 Month | 28 – 31 days |
| 1 Week | 7 days |
| 1 Day | 24 hours |
| 1 Hour | 60 minutes |
| 1 Minute | 60 seconds |
Why use this age calculator?
Whether you're filling out a form, curious about exactly how long you've been alive, or counting down to a milestone birthday, this age calculator gives you precise results instantly. All calculations happen locally, so your date of birth stays private.
- Exact age – years, months, and days, not just a rough number.
- Total units – see your age in total days, hours, and minutes.
- Next birthday countdown – how many days until your next birthday.
- Zodiac sign – automatically determined from your birth date.
- Day of birth – find out which day of the week you were born on.
- Custom date – calculate your age at any specific date (past or future).
- 100% private – nothing is sent to any server.
How to use the age calculator
1. Enter your birth date
Pick the day, month, and year you were born.
2. (Optional) Pick a date
By default, today is used. Enter another date to see how old you'll be (or were) on that day.
3. Get your results
Click Calculate Age to see your exact age, next birthday, zodiac sign, and more.