Calculators
Age Calculator
Use this free age calculator to calculate exact age from your date of birth in years, months, and days, plus total days lived, total weeks, total months, and days until your next birthday.
Usage notes
- Works for any past date back to January 1, 1900.
- Days until birthday updates based on today's date.
- Great for forms, applications, age verification, retirement planning, and school cutoff checks.
How to Use This Tool
- 1Select your date of birth using the date picker.
- 2Your exact age in years, months, and days appears instantly.
- 3Additional stats include total days lived, total weeks, total months, and days until your next birthday.
Frequently Asked Questions
- How do I calculate my exact age?
- Enter your date of birth and the calculator computes the difference between that date and today, accounting for varying month lengths and leap years. It shows years, months, and days precisely.
- Does this account for leap years?
- Yes. The calculator correctly handles leap years (February 29th) when computing age and total days lived.
- How accurate is the 'days until birthday' count?
- It calculates the number of days from today to your next birthday based on the current date. It updates every time you load the page.
- Can I calculate someone else's age?
- Yes. Simply enter any past date of birth and the calculator will show the age for that date. It works for any date from January 1, 1900 to today.
- Why would I need an age calculator?
- Common uses include verifying age for official forms, calculating retirement eligibility, determining insurance age brackets, checking school enrollment cutoff dates, and curiosity about exact age in days.