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Open toolCalculate your exact age in years, months, days, hours & seconds — instantly, no data sent to any server.
Enter your date of birth to calculate your exact age
Your birthday is on Saturday, March 15
| Age (Years, Months, Days) | — |
| Age (Years, Weeks, Days) | — |
| Date of Birth | — |
| Day of Birth (Weekday) | — |
| Age as of | — |
| Next Birthday | — |
| Age at Next Birthday | — |
| Last Birthday | — |
| Days Since Last Birthday | — |
Age Calculator is a free online tool that instantly calculates your exact age in years, months, and days from your date of birth. It also shows your age in total weeks, days, hours, minutes and seconds, your next birthday countdown, and which day of the week you were born on. Everything is calculated instantly in your browser — no data is sent to any server.
How to use: Select your date of birth, choose whether to calculate age as of today or a specific date, then click Calculate Age. Your full age profile appears instantly.
Enter your date of birth and today's date (or any date you want to measure to), and it calculates the exact age down to the day - handy for forms that ask for an exact age rather than just a birth year.