Free Online Age Calculator
Calculate your exact age instantly with this free online age calculator.
Use the tool below to enter your date of birth, choose a target date and calculate your age in years, months and days. You can also see your total days, total weeks, total months, total hours, day of birth and next birthday countdown.
Enter a date of birth to calculate age.
What is an Age Calculator?
An age calculator is an online tool that calculates the exact amount of time between a date of birth and a selected date. It helps you find your age in years, months and days without manually counting calendar dates.
Instead of estimating your age or calculating dates by hand, you can enter your birth date and instantly get a precise result.
This age calculator runs directly in your browser and processes the calculation locally.
What can you use Age Calculator tool for?
You can use this age calculator to find your exact age, calculate someone’s age on a specific date, check how many days old you are, calculate age for forms, documents, applications, birthday planning or personal records.
The tool can calculate your completed years, months and days, total days lived, total weeks lived, total months completed, total hours lived, the weekday you were born and how many days are left until your next birthday.
How to use the Age Calculator
Step 1: Enter your date
Select or type your date of birth in the first date field.
Step 2: Choose the target date
Choose the date you want to calculate your age on. By default, the calculator uses today’s date.
Step 3: Calculate your age
Click the calculate button to see your exact age in years, months and days, plus additional age details.
Age calculation results
This age calculator can show:
- Exact age in years, months and days
- Total days lived
- Total weeks lived
- Total months completed
- Total hours lived
- Day of birth
- Days until next birthday
- Age on a custom date
Common use cases
For personal use
You can quickly calculate your exact age, check your birthday countdown or find out how many days old you are.
For forms and applications
Some forms, registrations and applications require an exact age on a specific date. This tool can help calculate it quickly.
For birthdays and events
You can use the calculator to plan birthdays, anniversaries and age-based events.
For date records
The tool is useful for calculating ages in records, timelines, family history, documents or personal notes.
Related tools
Is this Age Calculator free?
Yes. This age calculator is completely free to use.
Is my date of birth stored?
No. Your date of birth is processed directly in your browser. It is not uploaded, saved or stored.
Can I calculate age on a specific date?
Yes. You can choose any target date and calculate the age on that exact date.
Does the calculator show age in years, months and days?
Yes. The calculator shows your exact age in completed years, months and days.
Can I calculate how many days old I am?
Yes. The tool shows the total number of days between your date of birth and the selected target date.
Can I calculate days until my next birthday?
Yes. The calculator shows how many days are left until your next birthday.
Does it work for leap year birthdays?
Yes. The calculator supports leap year dates, including February 29 birthdays.
Can I copy the result?
Yes. You can copy the age calculation result to your clipboard.
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