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Age Calculator 🎂

Calculate your exact age in years, months, weeks and days from any date of birth. Also shows days until your next birthday.

Your Exact Age
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Total Months
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Total Weeks
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Total Days
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Total Hours
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Total Minutes
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Born On
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How to Use the Age Calculator

1
Enter Your Date of Birth
Click the first field and select your birth date.
2
Set the Reference Date
Today's date is set by default. Change it to calculate age on any specific date.
3
Click Calculate Age
Press the button to instantly get your complete age breakdown.
4
View Results
See age in years, months, days, total weeks, hours, minutes and birthday countdown.

About This Age Calculator

TheAshNow Age Calculator is a free, browser-based tool. All calculations happen instantly in your browser — no data is uploaded or stored anywhere.

How Age is Calculated

Age calculation subtracts the birth date from the reference date, accounting for leap years and varying month lengths for 100% accuracy.

Age Formula

Age (years) = Reference Year - Birth Year. If the birthday hasn't occurred yet this year, subtract 1. Remaining months and days are calculated from the last birthday to the reference date.

Use Cases

Useful for job applications, school admissions, government forms, medical records, birthday countdowns, retirement planning and more.

Frequently Asked Questions

Enter your date of birth and click Calculate. The tool shows exact age in years, months, days, weeks, hours and minutes.
Yes. Change the "Age On Date" field to any specific date to calculate age between two dates.
The calculator automatically shows a birthday countdown after you enter your date of birth.
Yes, 100% free. No signup, no registration required. Everything runs in your browser.
Age = Current Date - Date of Birth. Subtract 1 if birthday hasn't occurred this year yet.
Yes! The calculator shows total age in years, months, weeks, days, hours and minutes.