Age Calculator

About This Calculator

This free online age calculator helps you determine exact age or time intervals between dates. Perfect for:

  • Calculating your precise age in years, months, and days
  • Finding age differences between any two dates
  • Planning age-related events and milestones
  • Tracking development stages and growth periods
Enter your date of birth or starting date
Leave empty to calculate age as of today, or enter a specific date

How to Use This Age Calculator

Basic Usage
  1. Enter the starting date (e.g., date of birth) in the first field
  2. Optionally, enter a target date in the second field (defaults to today)
  3. Click the "Calculate" button to see the result
  4. Use the "Copy Result" button to copy the calculation to your clipboard
Features
  • Precise Calculations: Get exact age in years, months, and days
  • Date Difference: Calculate time between any two dates
  • History Tracking: View your recent calculations
  • Easy Sharing: Copy results with one click
Tips for Accurate Results
  • Use the calendar picker for accurate date selection
  • Check that dates are entered in the correct order
  • Remember that the target date is optional
  • Clear the calculator between different calculations

Common Uses

Personal Planning
  • Calculate exact age for documentation
  • Plan age-specific activities
  • Track development milestones
  • Determine eligibility for age-restricted services
Professional Use
  • Healthcare age assessments
  • Educational placement
  • Legal age verification
  • Insurance calculations

Frequently Asked Questions

Q: How accurate is this age calculator?

This calculator provides precise results accounting for leap years and varying month lengths, giving you accurate calculations down to the day.

Q: Can I calculate age between any two dates?

Yes, you can calculate the time interval between any two dates by entering them in the respective fields. The dates don't have to include today.

Q: Why might my result be different from other calculators?

Our calculator uses precise algorithms that account for leap years and exact month lengths. Some calculators might use simpler methods that could give slightly different results.

Q: Is there a limit to the dates I can enter?

The calculator supports dates from January 1, 1900, up to the current date. For most practical purposes, this range is more than sufficient.