Age Calculator Tools
Calculate your age, half birthday, lunar age, and age gap instantly with our free online calculators.
Half Birthday Calculator
Find the date exactly 6 months after your birthday. Great for planning parties.
Lunar Age Calculator
Estimate traditional East Asian age (simple MVP version) and compare with chronological age.
Age Gap Calculator
Compare two birthdays and see the exact difference in years, months, and days.
Chronological Age
Calculate precise chronological age plus total weeks. Useful for medical and tracking contexts.
Popular Age Calculators
Welcome to AgeToolbox, your go-to destination for quick and accurate age-related calculations. Whether you are planning a special "half-birthday" celebration, curious about your age in traditional lunar calendars, or need to calculate the exact age difference between two people, our suite of tools is designed to help.
Our calculators are designed to be simple, fast, and mobile-friendly, giving you the answers you need without any hassle.
Common Questions
Which calculator should I use?
Use Chronological Age for your exact age today, Half Birthday to find the date 6 months after your birthday, Age Gap to compare two birthdays, and Lunar Age to estimate traditional East Asian age.
How accurate are the age calculations?
Our calculators use calendar-based calculations that account for leap years and the different lengths of months to provide an exact breakdown in years, months, and days.
Are these calculators free to use?
Yes, all tools on AgeToolbox.online, including the Half Birthday, Lunar Age, and Age Gap calculators, are completely free to use.