Age Calculator

Calculate your exact age in years, months, days, weeks, and total days instantly.

Date of Birth

Age at Date (Optional)

Years / Months / Days

Total Days

Total Weeks

Total Months

Age Calculator – Calculate Exact Age in Years, Months, Days & More

Use our free Age Calculator to calculate your exact age in years, months, days, total days, weeks, and months. This fast, accurate, and easy-to-use online tool works instantly and handles leap years automatically.

Whether you are a student, parent, HR professional, or just curious, this online age calculator helps you determine your precise age from your date of birth to today or any custom date.

What Is an Age Calculator?

An Age Calculator is a web-based utility tool that calculates the exact time difference between two dates. Most commonly, it is used to calculate a person’s age from their date of birth.

Unlike simple calculators that only show years, this advanced age calculator provides a detailed breakdown including years, months, days, total days lived, weeks, and total months.

How Does This Age Calculator Work?

This tool uses precise date difference logic written in pure JavaScript. It compares your date of birth with the selected target date (default is today) and calculates the exact age by considering:

• Leap years
• Different month lengths
• Day-level accuracy

Key Features of This Online Age Calculator

• Calculate exact age in Years, Months & Days
• Find total number of days lived
• Calculate age in weeks and months
• Optional “Age at Date” feature
• Accurate leap year handling
• Mobile-friendly and fast
• No signup or installation required

Who Can Use This Age Calculator?

This tool is useful for a wide range of users, including:

• Students and teachers
• Parents calculating children’s age
• HR and recruitment professionals
• Insurance and legal professionals
• Government and form-related age verification
• Anyone curious about their exact age

Why Use Our Age Calculator?

Our age calculator is designed with a clean UI, accurate calculations, and SEO-friendly structure. It runs entirely in your browser using pure JavaScript, ensuring privacy and instant results.

Frequently Asked Questions (FAQ)

This age calculator is highly accurate. It calculates age using exact date differences and properly handles leap years and varying month lengths.

Yes. You can select a custom “Age at Date” to calculate age at any specific past or future date.

No. All calculations are performed locally in your browser. No data is stored or transmitted.

Yes, this online age calculator is completely free with no usage limits.