Age & Date Calculator
Exact age, or days between two dates.
🔒 Processed on your device — nothing is uploaded.
About the Age & Date Calculator
Forms, visas and exams often ask for your exact age on a particular date, and planning projects means counting days between dates. Enter a date of birth to get your age in years, months and days — plus your next birthday — or switch to “days between dates” for any two dates.
When to use it
- Checking age eligibility for jobs, exams and admissions on a cut-off date
- Counting days until a deadline, wedding or trip
- Working out notice periods and contract lengths
- Finding the day of the week you were born
Tips for the best results
- Tick “include the end date” when counting both the first and last day, such as leave days
- Leap years are handled automatically
- Change the “age on” date to see your age on any past or future date
How to use the Age & Date Calculator
- Enter your numbers in the Age & Date Calculator.
- Results update as you type.
- Change any value to compare scenarios.
Age & Date Calculator FAQ
How do I calculate my exact age on a specific date?
Enter your date of birth and change the “age on” date to the date the form or exam asks for. The result shows years, months and days.
Does it handle leap years?
Yes. Leap years and different month lengths are counted automatically.
How do I count the days between two dates?
Switch to “days between dates”, enter both dates and tick “include the end date” if both the first and last day should be counted, for example for leave.
Can it tell me when my next birthday is?
Yes. After you enter your date of birth it shows how long it is until your next birthday.
Is the Age & Date Calculator free?
Yes. The Age & Date Calculator is completely free with no sign-up, no daily limit and no watermark.
Is it safe to use the Age & Date Calculator with private files?
Yes. The Age & Date Calculator runs entirely inside your web browser, so your files and text are never uploaded to any server.
Does the Age & Date Calculator work on mobile?
Yes. It works in Chrome, Safari, Edge and Firefox on Android, iPhone, Windows and Mac.