Age Calculator
Calculate your exact age in years, months, days, hours, and minutes. Find out what day you were born and when your next birthday is.
About Age Calculator
Age comes up surprisingly often — visa applications, insurance forms, retirement planning, school admissions, eligibility checks for benefits. This age calculator takes a date of birth and gives you the exact age in years, months, days, and even hours and minutes. Beyond the simple year count, it tells you how many days you have lived, what day of the week you were born on, and when your next birthday falls.
Useful for filling out forms that require an exact age as of a specific date, calculating the age of a child for school enrollment, or planning around milestone birthdays. The calculator handles leap years correctly and supports any date from the early 1900s onwards, so it works equally well for current ages and historical date calculations.
How to Use
Enter your date of birth.
Optionally change the 'Age as of' date (defaults to today).
Click 'Calculate' to see your exact age breakdown.
View detailed stats including total days, weeks, hours, and your next birthday countdown.
Frequently Asked Questions
How accurate is this age calculator?
This calculator is accurate to the day. It correctly handles leap years and varying month lengths to give you your exact age in years, months, and days.
Can I calculate age between two dates?
Yes! Change the 'Age as of' field to any date to calculate the age difference between the birth date and that date.
How is the next birthday calculated?
The calculator finds the next occurrence of your birth month and day from the current date and shows how many days remain.
Age Calculator: Calculate Your Exact Age in Years, Months & Days
Wondering exactly how old you are — to the day, hour, or minute? Our age calculator gives you the precise answer plus your next birthday countdown.
Read the full guide