Age Calculator
Calculate your age in years, months, and days with our simple age calculator. Perfect for calculate age, days between dates calculator, and birthday calculator needs.
Find Your Age | Days Between Dates Calculator | Birthdate Calculator
Our age calculator provides accurate age calculations in multiple formats to help you track time precisely.
How to Use the Age Calculator
- Enter your date of birth using the date picker above. You can type it manually or select from the calendar.
- Click "Calculate" to instantly see your exact age.
- Review your results — your age is displayed in years, months, and days, along with total months, weeks, days, hours, and minutes since birth.
Understanding Age Calculation
Calculating age seems straightforward, but precision requires accounting for several factors that most people overlook. Our age calculator handles all of these automatically.
How Age Is Calculated
Your exact age is determined by counting the full years, remaining months, and remaining days between your date of birth and today. For example, if you were born on March 15, 1990, and today is July 15, 2026, your age is 36 years, 4 months, and 0 days.
Leap Years and Month Lengths
A common mistake in manual age calculation is ignoring leap years and varying month lengths. February has 28 days in regular years and 29 in leap years. Months range from 28 to 31 days. Our calculator accounts for every leap year and the exact number of days in each month, ensuring precision down to the day.
Common Uses for Age Calculation
- Age verification — Confirm eligibility for driving, voting, or retirement based on exact age.
- Legal documents — Insurance applications, passport forms, and visa applications often require precise age.
- Health assessments — Many health metrics like BMI interpretation depend on your precise age.
- Birthday countdowns — Find out exactly how many days until your next birthday.
Age in Different Units
Beyond years, months, and days, knowing your age in other units can be useful. One year equals approximately 365.25 days, 8,766 hours, or 525,960 minutes. Our calculator converts your age into all of these formats instantly.
Frequently Asked Questions
How do I calculate my exact age?
Subtract your birth date from today's date. Count full years first, then remaining months, then remaining days. Our age calculator does this automatically — just enter your date of birth to get your age in years, months, days, hours, and minutes.
How is age calculated in months and days?
Total months = (Years × 12) + remaining months. Total days is calculated by counting every day between your birth date and today, including adjustments for leap years. Our calculator provides your age in all formats simultaneously.
Does the calculator account for leap years?
Yes. Our age calculator correctly handles leap years (years divisible by 4, except century years not divisible by 400). This ensures your age in days is accurate regardless of how many leap years fall between your birth date and today.
What is my age if I was born in 1990?
If you were born in 1990, your age in 2026 is 35–36 years depending on whether your birthday has passed this year. Enter your exact birth date above for a precise result.