Advanced Age Calculator
Calculate your exact age in years, months, days, hours, minutes, and seconds with precision. Accounts for leap years and time zones.
Age Calculation Results
Age Timeline
Age Calculator API
Integrate age calculation into your applications with our REST API:
Authentication: API Key required (free tier available)
Rate Limit: 1000 requests/day (free tier)
Calculate Age
GET /calculate?birthDate=1990-01-01¤tDate=2024-01-01&detailed=true
Calculate age between two dates with optional detailed breakdown.
Parameters: birthDate (YYYY-MM-DD), currentDate (YYYY-MM-DD), detailed (boolean)
Next Birthday
GET /next-birthday?birthDate=1990-01-01¤tDate=2024-01-01
Calculate days until next birthday and exact next birthday date.
Parameters: birthDate (YYYY-MM-DD), currentDate (YYYY-MM-DD)
Age Validation
POST /validate
Validate if a person meets minimum age requirements for services.
Parameters: birthDate (YYYY-MM-DD), minimumAge (int)
About This Advanced Age Calculator
Our advanced age calculator tool provides precise age calculation for any date of birth with military-grade accuracy. Unlike basic age calculators, our tool accounts for leap years, varying month lengths, and can calculate down to the exact second of age. Whether you need to calculate someone's exact age for legal documents, medical records, birthday planning, or curiosity, this tool delivers comprehensive results instantly.
The calculator supports both historical dates (back to year 1000) and future dates for forward planning. You can calculate age as of any specific date, not just today, making it perfect for age verification for insurance policies, retirement planning, school enrollment, or historical research. The tool also calculates next birthday countdown and provides a visual age timeline showing key milestones.
For developers and businesses, our age calculator includes a robust API that can be integrated into applications for automated age verification, user registration systems, or compliance checking. The API handles all edge cases including leap years, time zone differences, and date format variations.
All calculations are performed locally in your browser, ensuring complete privacy and security for sensitive birth date information. The tool works offline once loaded and provides export options for calculated results. Whether you're a parent tracking child development, a HR professional verifying employee ages, or a researcher analyzing demographic data, this age calculator provides the precision and features you need.