Age Calculator
Calculate your exact age in multiple formats, including years, months, days, weeks, and more.
How to Use Our Age Calculator
Enter Birth Date
Select your date of birth using the date picker. You can also click on the calendar icon to choose a date visually.
Choose Calculation Date
Select the date you want to calculate your age on. By default, it's set to today's date, but you can choose any date in the past or future.
View Detailed Results
Click the Calculate button to see your age in various formats including years, months, days, weeks, hours, minutes, and seconds.
Features of Our Age Calculator
🔢 Multiple Age Formats
View your age in years, months, days, weeks, hours, minutes, and seconds for a complete picture of your time on Earth.
🎂 Birthday Countdown
See exactly how many days are left until your next birthday to help you plan your celebration.
👶 Special Infant Display
For children under 2 years old, we provide age in weeks and days, which is commonly used for infants.
⏱️ Time Between Dates
Switch to "Days Until..." mode to calculate the exact time between any two dates, perfect for event planning.
🔄 Future Age Calculation
Find out how old you'll be on any future date, useful for retirement planning or milestone birthdays.
📱 Mobile Friendly
Use our age calculator on any device with a responsive design that works perfectly on smartphones and tablets.
Frequently Asked Questions
How accurate is this age calculator?
Our age calculator is extremely accurate, taking into account leap years and the exact number of days in each month. It calculates down to the second for precise results.
Can I calculate my age on a future date?
Yes! Simply set the "Calculate Age On" date to any future date, and the calculator will show how old you will be on that date.
How does the calculator handle leap years?
Our calculator automatically accounts for leap years in its calculations, ensuring accuracy even when your birthday falls on or around February 29th.
Can I use this to calculate time between any two dates?
Absolutely! Switch to the "Days Until..." tab, and you can calculate the exact time between any two dates, not just for age calculation.
Why do I need to know my age in different formats?
Different age formats are useful for various purposes. For example, medical professionals often use weeks for infants, while legal documents typically use years. Having all formats available gives you flexibility.
Is my data saved when I use this calculator?
No, all calculations are performed in your browser. We don't store or transmit your birth date or any other personal information.
How is the "Days Until Next Birthday" calculated?
The calculator finds the date of your next birthday based on the current year (or the year of your "Calculate Age On" date), and then calculates the number of days remaining until that date.
Days per Month Reference
- 31 days: January, March, May, July, August, October, December
- 30 days: April, June, September, November
- 28/29 days: February (29 in leap years)
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