Age Calculator: How Old Am I?

Exact age from date of birth in days, months, years + age difference & BMI

How old am I? Enter your date of birth and get your exact age in years, months, weeks, days, hours, minutes and seconds — instantly, and fully offline.

Age Calculator turns one tap on your DOB into a complete picture of your age: the number you need for a form, the days you have actually lived, the gap between you and someone else, and how long until your next birthday. No sign-up, no internet, no waiting.

▸ EXACT AGE FROM DATE OF BIRTH
• Age calculator by DOB — pick your date of birth, get the answer at once
• Your age in years, months, weeks, days, hours, minutes and seconds
• Chronological age in the exact format school and office forms ask for
• Calculate your age on any past or future date, not just today
• Total days lived, total weeks lived, total hours lived

▸ AGE DIFFERENCE CALCULATOR
• Find the age gap between two people down to the day
• Compare ages of partners, siblings, parents and friends
• Useful for couples, family records and eligibility checks
• Enter any two dates — the app handles leap years for you

▸ BIRTHDAY COUNTDOWN AND REMINDER
• See exactly how many days are left until your next birthday
• Which weekday your birthday falls on this year and in years ahead
• Save birthdays of family and friends in one place
• Get a reminder before the date so you never miss it

▸ BMI CALCULATOR
• Body Mass Index from your height and weight in a second
• Metric (kg, cm) and imperial (lb, ft, in) units supported
• See your category: underweight, normal, overweight or obese
• Simple BMI chart so the number actually means something

▸ DAILY NUTRITION GUIDE
• Everyday nutrition reference kept alongside your BMI result
• General guidance to help you read your numbers in context

▸ LOVE COMPATIBILITY (JUST FOR FUN)
• A light-hearted love score between two names
• Share the result with your partner or friends
• Entertainment only — not a prediction of anything

▸ WHY PEOPLE KEEP THIS APP
• Free to use — every calculator, no subscription
• Works completely offline — calculations run on your device
• Small download, opens fast, runs on older phones too
• Clean layout with dark mode
• Available in English and Hindi

▸ WHO IT IS FOR
• Students and parents filling admission or exam forms
• Anyone who needs an exact date of birth calculation for paperwork
• Teachers and carers recording chronological age
• New parents tracking a baby's age in days, weeks and months
• People checking BMI as part of a health routine
• Couples and friends curious about an age gap

▸ HOW TO USE
1. Open the app and tap Age Calculator
2. Select your date of birth
3. Read your exact age, total days lived and birthday countdown
4. Switch tabs for age difference, BMI, nutrition or the love test

▸ QUESTIONS PEOPLE ASK
How do I find my exact age from my date of birth? Select your DOB on the age calculator screen — your age appears immediately in years, months and days, with the full breakdown below it.

How many days old am I? The total days lived figure is shown with every result, along with total weeks and hours.

Can I calculate age for a future date? Yes. Change the "age as on" date to any date you like.

Does it work without internet? Yes. Every calculator works offline.

Is the age difference calculator accurate across leap years? Yes, leap days are counted.

Whether you call it an age calculator, a DOB calculator, a date of birth calculator or simply a way to answer "how old am I" — this app gives you the number in one tap, and keeps the birthday, age gap and BMI tools right next to it.

Questions or a feature you would like added? Write to darknod3@gmail.com — every message is read.