Birthday

Birthday Calculator

Find your exact age and how long remains until your next birthday.

Pick a birth date to calculate age instantly.

Date of Birth

Calculations are based on the Gregorian calendar and use your local date for accurate age results.

Select a date of birth to view an exact age breakdown in years, months, days, and more.

What is a Birthday Calculator?

A birthday calculator shows your current age and how much time is left until your next birthday.

Compare today's date with the next occurrence of the birth month and day

Compare today’s date with the next calendar occurrence of your birth month and day.

Yes. A birthday calculator usually shows both current age and next birthday countdown.

Yes, if the calculation handles dates correctly.

Browse related calculator variations and find the version that matches your preferred units or use case.

Calculate exact age in years, months, and days.

Find exact age using date of birth.

Measure exact chronological age from birth to a selected date.

Convert age into total completed months.

Determine your Body Mass Index and assess your physical health status accurately.

Solve percentage-based problems quickly, including increases, decreases, and proportions.

Figure out final prices and total savings when discounts are applied.

Calculate the duration between two dates for planning and timeline management.