Age Calculator
Calculate your exact age in years, months, and days. Find out how many days you have lived and how many days until your next birthday.
Enter dates
Set your date of birth and the date to calculate age to.
Defaults to today. Change to any date.
Your age
Exact breakdown from birth to the selected date.
Exact age
Total days lived
13,181
Days until next birthday
333
37th birthday
You are 36 years, 1 month, and 2 days old — that is 13,181 days lived. Your next birthday is in 333 days.
How it works
Your exact age is calculated by subtracting your date of birth from the selected date, accounting for varying month lengths and leap years. The total days lived is the absolute difference in calendar days between the two dates. The birthday countdown finds the next occurrence of your birth month and day from the selected date.
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