Calculate your exact age from date of birth in years, months, days, hours, minutes and seconds. Find the date difference between two dates, or add and subtract days, weeks, months and years instantly — free, private and accurate.
Did this age calculator help you?
Pick your birth date (and optional time) in the Age Calculator tab, or any two dates in the Date Difference tab.
Instantly see your exact age in years, months, days, and total hours, minutes and weeks lived so far.
Check your zodiac sign, day of the week you were born, and how many days remain until your next birthday.
A complete date and age toolkit — calculate age, compare two dates, or add and subtract time, all in one free tool.
All calculations run instantly in your browser. Your birth date and personal dates are never sent to any server or stored anywhere.
Get your precise age including total months, weeks, days, hours and minutes lived, calculated to the exact day.
Find the exact number of years, months and days between any two dates, plus total days, weeks and hours.
Add or subtract days, weeks, months or years from any date to plan deadlines, due dates or anniversaries.
Instantly see your Western zodiac sign and the exact day of the week you were born, no extra lookup needed.
No account, no watermark, no daily limit. Use the age calculator as many times as you want, completely free.
This age calculator lets you find out exactly how old you are (or how old someone else is) by entering a date of birth. Whether you are searching for "how old am I", "age calculator by date of birth", "calculate my age in years and months" or "date of birth age calculator", this tool gives you an instant, precise answer down to the day, hour and minute.
Enter your date of birth and the tool automatically calculates the difference between that date and today (or any date you choose) using calendar-accurate year, month and day math. Unlike simple subtraction, it correctly accounts for leap years and varying month lengths, so your age in years, months and days is always accurate.
Besides calculating age from date of birth, this tool doubles as a date difference calculator (days between two dates) and a date calculator that adds or subtracts days, weeks, months or years — useful for due dates, deadlines, anniversaries and contract terms.
All tools work instantly on your device, private by design.
Enter your date of birth in the Age Calculator tab and press Calculate My Age. The tool instantly shows your exact age in years, months, days, and total hours and minutes lived.
Yes. Use the "Calculate age as of" field to pick any date, and the tool will show what your age was or will be on that specific date.
Switch to the Date Difference tab, enter a start date and end date, and press Calculate. You'll get the exact years, months, days, total days, weeks and hours between the two dates.
Yes. Use the Add / Subtract Date tab, enter a base date, choose Add or Subtract, enter an amount, and select days, weeks, months or years to instantly get the resulting date.
No. This calculator is private by design. All calculations happen instantly in your own browser and no dates or personal information are ever sent to or stored on any server.
Yes. The calculation logic correctly accounts for leap years and the varying number of days in each month, so your age in years, months and days is always precise.
Once you calculate your age, your Western zodiac sign is automatically shown based on your date of birth, along with the exact day of the week you were born.