Free browser tool
Age Calculator
Calculate exact age in years, months, and days, plus total days and next birthday.
Last updated:
Age details
Calculate exact age and next birthday from local calendar dates.
Years
31
Months
6
Days
28
Total days
11532
Next birthday: January 1, 2027 (156 days away)
Free exact age calculator
Use this calculator for birthdays, forms, eligibility checks, or date-based planning.
Tool description
Calculate exact age from a date of birth, including years, months, days, total days, and next birthday information.
Common uses
- Find exact age for forms, applications, or records.
- Calculate how many days old someone is.
- Check the time remaining until the next birthday.
How to use Age Calculator
- 1. Enter the date of birth.
- 2. Choose the comparison date if you do not want to use today.
- 3. Review the exact age and next birthday details.
FAQs
Does it use today's date automatically?
Yes. You can also change the comparison date for historical or future calculations.
Can it calculate age for a future date?
Yes, as long as the selected dates form a valid age calculation.
Why do months and days vary?
Calendar months have different lengths, so exact age is calculated using actual calendar dates.