How do you calculate exact age?

Age is calculated by finding the difference between birth date and current date, accounting for leap years and varying month lengths.

Why does my age in months differ?

Total months include partial months. For example, 25 years 3 months = 303 total months, not 300.

How is next birthday calculated?

The calculator finds the next occurrence of your birth date and counts days remaining.

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Age Calculator

Calculate your exact age in years, months, and days. Find out how many days until your next birthday and discover fun age statistics.

🎂 Your Birth Date

📅 Calculate Age On (Optional - defaults to today)

⚡ Quick Examples

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Ready to Calculate

Enter your birth date above

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✨ Key Features

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Exact Age

Get precise age in years, months, days

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Multiple Formats

See your age in months, weeks, days, hours

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Birthday Countdown

Days until your next birthday

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Fun Facts

Age in dog years, heartbeats, and more

How to Use

Enter your birth date and optionally choose a target date (defaults to today).

❓ Frequently Asked Questions

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