Calculators
Age & Date Calculator
Free age and date calculator — calculate exact age, date differences, business days, countdowns, and future dates instantly. Handles leap years automatically.
How to use this tool
- Open the interactive tool on this page.
- Enter or select the information you want to process.
- Review the result, then copy or download it when that option is available.
Fast, free, and easy to access
HandyToolsOnline tools require no account. The interactive interface loads in your browser and is designed to work on desktop, tablet, and mobile devices.