Calculate your exact age in years, months, and days — and find out how many days until your next birthday.
An Age Calculator instantly tells you your exact age in years, months, and days from your date of birth to today. It also tells you the total number of days you have been alive and how many days remain until your next birthday.
Age calculations come up surprisingly often in everyday life. Government forms, insurance applications, school admissions, passport applications, and medical records all require your exact age. Instead of doing the mental math — which gets complicated when you're born in a different month than the current one — this calculator gives you the precise answer in seconds.
When Age Calculators Are Needed
- School and college admissions: Many institutions have age cutoffs (e.g., "must be under 5 years old as of June 1" for kindergarten admission). This calculator helps verify eligibility precisely.
- Government schemes: Many Indian government programs have age eligibility criteria — senior citizen status at 60, specific savings schemes for various age brackets, and pension programs.
- Legal contexts: Driving license eligibility at 18, voter ID registration, and other legal milestones require exact age verification.
- Insurance and loans: Insurance premiums and loan eligibility often depend on your exact age at the time of application.
- Health and fitness: Tracking milestones, calculating BMI benchmarks by age, or understanding age-related health thresholds.
Fun Facts This Calculator Reveals
Beyond the practical, this calculator shows you interesting personal statistics — how many days you have been alive (a number most people find surprisingly large), and how many days until your next birthday (useful for birthday party planning!).
All calculations are done entirely in your browser using the current date. No data is stored or transmitted.
1. Enter Birth Year: Type your year of birth (e.g., 1995).
2. Enter Birth Month: Select or type your birth month (1–12).
3. Enter Birth Day: Enter the day of your birth (1–31).
4. View Results: The calculator instantly shows your age in years, months, and days; your total days alive; and how many days until your next birthday.
Age calculation subtracts the birth date from today's date (29 March 2026).
The algorithm:
1. Calculate years: Current year minus birth year.
2. Adjust for month/day: If the current month and day are before the birth month and day, subtract 1 from years (birthday hasn't occurred yet this year).
3. Calculate remaining months and days similarly.
4. Total days = (Today − Birth Date) in milliseconds ÷ milliseconds per day.
5. Next birthday: Find the next calendar occurrence of the birth month/day after today.
Example: Born on March 15, 1990. As of today:
- Age = 35 years, X months, Y days (exact values depend on the current date)
- Total days alive ≈ 12,800+ days
- Days to next birthday = depends on current date
The calculator uses your exact birth date and today's date for precise computation.