Age Calculators 2026 - Exact Age, Birthday, Retirement
What makes the age category useful
This category groups calculators that solve closely related real-world tasks, so you can move from a quick estimate to a more specific planning tool without restarting the process.
Calculate exact age in years, months, days, weeks, hours, and minutes from a birth date
Count down to your next birthday with the exact days and hours remaining
Find the age gap between two people in years, months, and days
Check legal age milestones (drinking, voting, driving) by country
Project your retirement age based on country and birth year for state pensions
Birthdays and milestones
Plan parties and milestone celebrations with the exact age and time remaining shown.
School and sport eligibility
Confirm school year placement and youth sport age brackets by reference date.
Retirement and legal planning
See when you reach state pension age and other legal age thresholds in your country.
All Age Calculators
Exact Age Calculator
Get your exact age in years, months, and days.
Legal Age Calculator
Estimate legal milestone dates for common activities.
Birthday Countdown Calculator
Countdown to your next birthday.
Age Difference Calculator
Compare age gaps between two dates.
Date of Birth Age Calculator
How old am I? Age from date of birth.
Retirement Age Calculator
Estimate early, full, and delayed retirement status.
School Age Calculator
Estimate grade placement from birth date.
Chronological Age by Date Calculator
Find age at a specific date.
Legal Milestone Age Calculator
See when you reach driving, voting, and drinking age by country.
Related Articles
All articles
How to Calculate Corrected Age for Premature Babies
Learn how to calculate corrected age for premature babies using birth date, due date, and weeks early. Includes step-by-step examples and milestone guidance.
Read article
Types of Calculators in 2026: A Complete Guide to Choosing the Right One
Every type of calculator explained: basic, desk, scientific, graphing, printing, financial, construction (Sonic Cal style), online, app, and voice. Pick the right one in under a minute.
Read article
Best Voice Calculators in 2026: Online Tools and Mobile Apps Compared
The best voice calculators of 2026 compared: web tools, iPhone and Android apps, talking calculators, and PC options. Find the right voice activated calculator.
Read article
Seattle Sales Tax vs NYC, Chicago, LA, and SF: 2026 Guide
Seattle's sales tax is 10.25% in 2026, tied with Chicago and LA for the highest of any major US city. See how it stacks up against NYC, SF, Houston, and Portland.
Read articleCategory FAQ
How do I calculate my exact age in years and months?
Subtract birth year, month, and day from the current date, borrowing months and days as needed. Someone born 15 June 2000 is, on 25 April 2026, exactly 25 years, 10 months, and 10 days old.
What is the legal drinking age around the world?
The legal drinking age is 18 in the UK, Australia, and most of Europe, 19 in most of Canada, 20 in Japan, and 21 in the US. Some countries set different ages for purchase versus consumption.
When can I claim state pension or retirement?
In the US, full Social Security age is 67 for those born after 1960. In the UK, state pension age is 66, rising to 67 by 2028. In Australia, age pension starts at 67 for those born after 1957.
How do I work out the age difference between two people?
Subtract the older birth date from the younger. Two people born 12 March 1990 and 18 September 1995 have an age gap of 5 years, 6 months, and 6 days.
How does leap year affect age calculation?
Leap years add an extra day every 4 years, except century years not divisible by 400. People born on 29 February usually celebrate on 28 February or 1 March in non-leap years, but their official age increments yearly.
Modern Tools for Every Need
Secure and Private
All calculations run locally. Your data never leaves your browser.
Verified Precision
Precise Calculations Powered by Calculory AI