Age Calculator – Know Your Exact Age Instantly

Want to know your precise age in years, months, and days? Our Age Calculator is a quick and accurate online tool that helps you calculate your age based on your date of birth (DOB). Whether you're filling forms, checking eligibility for a job, or just curious about your exact age, this tool gets the job done instantly.
What is an Age Calculator?
An age calculator is a tool that calculates your age from your date of birth by comparing it with the current date. It provides the result in multiple formats such as:
- Years only
- Years, months, and days
- Total days lived
How to Use the Age Calculator
- Enter your date of birth (DOB).
- Select the current or target date (optional – default is today).
- Click on “Calculate Age”.
- View your accurate age in various formats.
Why Use Our Age Calculator?
- Fast and accurate results
- Free and easy to use
- No registration required
- Helpful for government forms, exams, passport, and job eligibility
Age Calculator Formula
There is no fixed arithmetic formula for age because months vary in days. However, the logic behind the tool is:
Age = Current Date – Date of Birth → Extract difference in years, months, and days using date functions
Example: Calculate Age from DOB
Suppose your date of birth is January 1, 2000 and today is May 1, 2025, the tool will show:
- 25 years
- 25 years 4 months
- 25 years 4 months 0 days
- Total Days: 9225 days
Applications of Age Calculator
- Government Forms: Age proof, passport, Aadhaar, etc.
- Exams & Jobs: Check age eligibility for UPSC, SSC, NDA, etc.
- Health & Fitness: BMI and BMR calculations depend on age.
- Insurance: Age-based premium and maturity calculations.
Benefits of Using Our Tool
- Instant DOB to age conversion
- Supports leap years and all calendar variations
- Displays age in multiple formats (years, months, days)
- Mobile-friendly and lightweight
Age Eligibility Table
Purpose | Age Requirement |
---|---|
Driving License (India) | 18 years |
UPSC Exam | 21 to 32 years |
School Admission (Class 1) | 5+ years |
Passport Application | No specific minimum age |
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Frequently Asked Questions (FAQs)
1. How is age calculated?
Age is calculated by subtracting the date of birth from the current date, considering leap years and varying month lengths.
2. Is this tool free to use?
Yes, our age calculator is completely free and works instantly online without any sign-up.
3. Can I calculate someone else's age?
Yes, just enter their date of birth and get the age instantly. No login required.
4. Is this age calculator accurate?
Yes, it gives exact results in years, months, and days using real date difference logic.
5. Does this work for leap year birthdays?
Absolutely! Our tool is designed to handle leap years like Feb 29 accurately.