Age Calculators & Tools
Explore our comprehensive collection of free age calculation tools. From basic age calculators to specialized tools for retirement planning, age differences, and cultural age systems.
All Age Calculators
Age Calculator
Calculate your exact age in years, months, weeks, days, hours, and minutes instantly.
Age in Days
Find out exactly how many days you have lived since your birth date.
Age in Months
Calculate your total age in months for precise age tracking.
Age in Weeks
See your age in total weeks lived since birth.
Age in Hours
Calculate the total hours you've been alive and track hour-based milestones.
Age Difference Calculator
Calculate the exact age gap between two people in years, months, and days.
Retirement Age Calculator
Find out how long until you reach retirement age and plan your future.
Korean Age Calculator
Calculate your age using the Korean age system and compare with Western age.
Zodiac Sign Calculator
Discover your zodiac sign, birthstone, and astrological information from your birth date.
Date of Birth Calculator
Calculate someone's birth date or birth year from their current age.
Calculate Age by Birth Year
View All Years →Why Use Our Calculators?
Instant Results
All calculators provide immediate, accurate results as you enter information.
100% Free
All tools are completely free to use with no registration or hidden fees.
Accurate Calculations
Our calculators account for leap years, varying month lengths, and time zones.
Popular Use Cases
- Personal Milestones: Track age milestones like 10,000 days alive or golden birthdays
- Legal Documents: Calculate exact age for passports, visas, and official forms
- Relationship Planning: Understand age differences in relationships or between siblings
- Retirement Planning: Calculate time until retirement and plan finances
- Cultural Understanding: Compare ages across different cultural age systems
- Event Planning: Determine ages for birthday celebrations and parties
- Genealogy Research: Calculate ages and birth years for family trees
- Education: Learn about age calculation methods and formulas
Learn More
How to Calculate Age
Learn the step-by-step process of calculating age manually
Age Calculation Formula
Understand the mathematical formulas behind age calculation
Age Calculator Blog
Read articles about age systems, milestones, and calculation tips
Frequently Asked Questions
Find answers to common questions about age calculation