About iAgeCalculator
iAgeCalculator provides simple online tools for calculating age, date differences, birthdays, days between dates, working days, and related time-based information.
Our goal is to make everyday calculations quick, understandable, and accessible on desktop and mobile devices.
Most calculator functions are designed to run directly in your browser. We aim to provide useful tools, clear results, and a privacy-conscious experience.
Official Organization & Site Information
True Calendar Math
We never approximate months as fixed 30-day intervals. Every leap year rule and month boundary is evaluated precisely.
Zero Server Logging
Calculations run entirely in your local web browser. Your birth dates and saved family profiles never touch a remote server.
Quiet Utility Motion
Designed with quiet, accessible micro-interactions, high-contrast light/dark themes, and explicit reduced motion controls.
Methodology & Sources
Authoritative reference specifications and architectural leads
Oversees algorithm accuracy, client-side precision calendrical arithmetic, and accessibility compliance.