Chronological Age Calculator

📏 Definition

Chronological age is the exact amount of time a person has been alive, measured from their date of birth to the current date. It is expressed in years, months, days, hours, minutes, and seconds. This chronological age calculator provides precise measurements for medical, legal, and personal use.

Whether you're calculating age for a birthday, medical record, legal document, or just out of curiosity, this tool delivers instant, accurate results.

📊 Why Calculate Chronological Age?

• Medical Records: Age is a key factor in health assessments
• Legal Documents: Age verification for contracts and rights
• Education: School enrollment and grade placement
• Personal: Birthdays and life milestones
• Research: Demographic and population studies

📏 Chronological Age

Chronological age is the actual time you've been alive — the number of years, months, and days since your birth. It is fixed and measurable. This is what our chronological age calculator computes precisely.

🧬 Biological Age

Biological age is a measure of your body's physical condition relative to your chronological age. It is based on biomarkers, lifestyle factors, and health indicators. A person can have a biological age younger or older than their chronological age.

Step 1: Enter Birth Date

Select your date of birth using the date picker. Use the calendar or type the date manually.

Step 2: Choose Target Date

The "As of Date" defaults to today. Change it to calculate age at any specific date.

Step 3: Calculate & Review

Click "Calculate Age" to see your exact chronological age in years, months, days, hours, minutes, and seconds.