Age Calculator

Calculate your exact age in years, months, and days from your date of birth. Find age at any past or future date.

Loading...
1. Enter your date of birth by selecting a year, month, and day using the date picker or typing it directly into the field. 2. Optionally change the target date from today to any past or future date to see what your age was or will be on that specific day. 3. View your precise age broken down into years, months, and days, accounting for leap years and variable month lengths. 4. Check the additional breakdown showing your total age expressed in months, weeks, and days for medical forms or legal documents. 5. Review your next birthday countdown and upcoming age milestones displayed below the results.

About This Tool

The Age Calculator lets you determine your precise age in years, months, and days based on your date of birth. Whether you need your current age or want to know how old you were or will be on a specific date, this tool delivers instant, accurate results.

Beyond the basic age breakdown, the calculator also shows your age in total months, total weeks, and total days. This is useful for medical forms, legal documents, insurance applications, or simply satisfying curiosity about life milestones.

The tool accounts for leap years and varying month lengths so every calculation is precise down to the day. Enter your birthdate, optionally set a target date, and get a complete age summary instantly.

Frequently Asked Questions

The calculator fully accounts for leap years. If your birthday is February 29, the tool correctly handles years where that date does not exist and calculates your age precisely regardless.
Yes. Enter your date of birth and set the target date to any future date. The calculator will show how old you will be on that day in years, months, and days.
Subtracting birth year from the current year only gives a rough estimate. An age calculator accounts for whether your birthday has occurred yet this year, leap years, and varying month lengths for a precise result.
The calculator shows your age in years, months, and days. It also displays the total number of months, total weeks, and total days you have been alive.
You can calculate each person's age separately and compare the results manually. For a direct date-to-date span, use the Date Difference Calculator tool instead.

Related Tools

Date Difference Calculator

Find the exact number of days, weeks, months, and years between any two dates. Fast and accurate.

Date and Time

Day of the Week Calculator

Find what day of the week any date falls on. Works for past, present, and future dates across centuries.

Date and Time

Days Until and Countdown Calculator

Count down the days, hours, and minutes until any upcoming date or event. Set a target and watch it tick.

Date and Time

Leap Year Checker

Check if any year is a leap year. See the rules explained and find the next or previous leap years.

Date and Time

Week Number Calculator

Find the ISO week number for any date. See which week of the year a specific date falls in.

Date and Time

Add and Subtract Days from Date

Add or subtract days, weeks, months, or years from any date. Get the resulting date instantly.

Date and Time