Age Calculator — Exact Age in Years, Months, Days & Minutes
Free exact age calculator by date of birth. Find your age today in years, months, days, weeks, hours, and minutes, plus a live countdown to your next birthday.
How to use this calculator
👉 Fill in the boxes below and your answer appears instantly — no maths needed, we do it all for you! 🎉
In plain English — what does this do?
🎂 Just type your birthday and today’s date, and this tool tells you exactly how old you are — in years, months, days, and even hours if you want! Fun to know!
An exact age calculator computes your precise age from your date of birth to today or any target date. It breaks down your lifespan into years, months, days, total weeks, hours, minutes, and seconds, while tracking the exact number of days remaining until your next birthday.
When were you born? Pick your birthday!
Leave empty to see your age right now!
You are 🎉
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NEXT BIRTHDAY
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What is Age Calculator — Exact Age in Years, Months, Days & Minutes?
An exact age calculator computes your precise age from your date of birth to today or any target date. It breaks down your lifespan into years, months, days, total weeks, hours, minutes, and seconds, while tracking the exact number of days remaining until your next birthday.
How to use it
- 1️⃣ Select your date of birth (DOB) using the date calendar input.
- 2️⃣ By default, the 'Calculate age at' field is set to today's date.
- 3️⃣ To check how old you were on a historical date or will be in the future, pick a custom target date.
- 4️⃣ View your age instantly broken down into years, months, and days.
- 5️⃣ Check the live dial to see how many days remain until your upcoming birthday.
💡 See it in action — a real example
❓ Common questions
- How do I calculate my exact age by date of birth?
- Enter your date of birth into the age calculator. The tool calculates completed full years, completed full months, and exact remaining days between your birthday and today's date.
- How old am I today in total days, hours, and minutes?
- The age calculator automatically converts your lifespan into total days (multiplying full days elapsed including leap years), total weeks, total hours (days × 24), and total minutes.
- How does the age calculator handle leap years?
- Leap years contain 366 days instead of 365. The age calculator accounts for February 29th leap days in its total elapsed day and minute counts to guarantee mathematical precision.
- Can I calculate my age on a specific future or past date?
- Yes! Simply change the 'Calculate age at' date to any past event (e.g. graduation date, wedding day) or future milestone to find your exact age at that moment.
- How does the next birthday countdown dial work?
- The next birthday dial compares today's date to your upcoming birthday in the current or following calendar year, calculating the exact number of days remaining and animating your progress ring.