Birthday Calculator
Calculate your exact age, find your next birthday, and explore fun birthday statistics
Calculate Your Age & Birthday
Select your birth date to calculate age
Date to calculate your age (default: today)
Calculator Examples
Example 1: Current Age
Birth Date: January 15, 1990
Target Date: August 10, 2025
Result: 35 years, 6 months, 26 days old
Example 2: Age in Days
Same person in days: Approximately 12,987 days old
Next Birthday: January 15, 2026 (158 days away)
Example 3: Future Age
Target Date: January 1, 2030
Result: They will be 39 years old on New Year's Day 2030
🎯 Age Milestones
💡 Calculator Tips
Use any past or future date to see your age
Switch between time units for different perspectives
Calculate how old you'll be at future events
Find out when your next birthday is
Discover your zodiac sign automatically
Understanding Age Calculations
How Age is Calculated
Age calculation considers the complete date including year, month, and day. The calculator determines the exact number of full years, months, and days you have lived, accounting for leap years and varying month lengths.
Different Time Units
- •Years: Complete years since birth
- •Months: Total months (including partial months)
- •Days: Exact number of days lived
- •Hours/Minutes/Seconds: Precise time calculations
Birthday Calculator Uses
- •Calculate current age accurately
- •Find when your next birthday occurs
- •Determine age at past or future dates
- •Plan for milestone birthdays
- •Calculate retirement or event ages
- •Generate fun age statistics
Accuracy: Calculations account for leap years, different month lengths, and precise time differences.