Age Calculator
Find your exact age in years, months, days, weeks and hours. Also shows days until next birthday. Free online age calculator.
When to Use
Use to find your exact age, calculate someone's age, or find days until a birthday.
How to Use Age Calculator
- Enter your date of birth.
- Optionally change the 'as of' date to calculate age at a specific point.
- See your exact age and days until next birthday.
Examples
Birthday to today
Input: Born: 1990-06-15, As of today
Output: 35 years, 9 months, 7 days
Frequently Asked Questions
How is the exact age calculated?
We calculate the difference in years, then months, then days — properly accounting for varying month lengths.
Can I calculate someone else's age?
Yes — enter any date of birth and any reference date to calculate age at that point in time.