How Old Am I? Free Age Calculator (Exact Age in Years, Months & Days)
How old am I today? Enter your date of birth to calculate your exact age in years, months, and days — plus your total days lived and days until your next birthday. Private: calculations run in your browser.
On this page: Age today · Age on any date · Related calculators · FAQs
Example age calculation
Here's what the age calculator shows for someone born January 15, 1990 as of February 17, 2026:
- Exact age: 36 years, 1 month, 2 days
- Total days lived: 13,181 days
- Days until next birthday: 332 days (next birthday: January 15, 2027)
Use the calculator below to find your exact age with months and days included, not just your birth year.
Results update automatically
Age on Any Date
Wondering how old you were on a specific date or how old you will be in the future? Use this tool to calculate your exact age on any date.
Results update automatically
Only know your birth year? Use the birth year age chart to estimate your age range.
How to use this age calculator
Calculate your age today
To find out how old you are today, enter your date of birth in the calculator above. The tool instantly shows:
- Your exact age in years, months, and days (e.g., "36 years, 1 month, 2 days")
- Total days you've lived (e.g., "13,181 days")
- Days remaining until your next birthday (e.g., "332 days")
Calculate your age on any date
Need to know how old you were on a past date or how old you'll be in the future? Use the "Age on Any Date" calculator:
- Past dates: See how old you were when a historical event occurred or on a specific document date
- Future dates: Plan for milestone birthdays (e.g., "How old will I be on January 1, 2030?")
- Official forms: Calculate your age on a specific eligibility cutoff date
Common age calculation scenarios
- "How old am I if I was born in 1990?" → You're 36 years old in 2026 (or 35 if your birthday hasn't occurred yet this year)
- "How many days have I been alive?" → The calculator shows your total days lived (e.g., someone born Jan 15, 1990 has lived 13,181 days as of Feb 17, 2026)
- "When is my half birthday?" → Use the half birthday calculator to find the exact date 6 months from your birthday
- "How old will I be when I retire?" → Use the retirement age calculator to estimate years until retirement
Whether you're asking "how old am I?", looking to calculate my exact age, or need an age calculator for planning or official use, this tool provides fast, accurate results directly in your browser with full privacy.
Why people use an age calculator
- Official forms: quick age checks for eligibility (always verify with documents for legal use)
- Milestones: birthdays, half birthdays, anniversaries, and countdowns
- Planning: school, sports age brackets, retirement timelines, and long-term goals
- Curiosity: total days lived and exact calendar age
Privacy note: calculations run in your browser — we don’t store your dates. Learn more: Privacy · Terms
Age calculator: Frequently asked questions
How old am I if I was born in 1990?
If you were born in 1990, you are 36 years old in 2026 (or 35 if your birthday hasn't occurred yet this year). For your exact age including months and days, use the calculator above with your specific birth date. Example: someone born January 15, 1990 is 36 years, 1 month, 2 days old as of February 17, 2026.
How old am I if I was born in 2000?
If you were born in 2000, you are 26 years old in 2026 (or 25 if your birthday hasn't occurred yet). Use the birth year reference table above for other years, or enter your exact birth date in the calculator for a precise age including months and days.
How do I calculate my exact age in days?
Enter your birth date in the calculator above. The results automatically show your total days lived. For example, someone born January 15, 1990 has lived 13,181 days as of February 17, 2026. The calculator accounts for leap years to ensure accuracy.
How many days until my next birthday?
The calculator shows exactly how many days remain until your next birthday after you enter your date of birth. For a dedicated countdown tool, visit the birthday countdown calculator.
How accurate is this age calculator?
This age calculator uses exact calendar calculations and includes leap years for precise results. It calculates down to the exact day, so you get accurate age in years, months, and days — not just approximate years based on birth year alone.
Can I calculate my age on a past or future date?
Yes. Use the "Age on Any Date" calculator on this page. Enter your birth date and any reference date (past or future) to see your exact age on that date. This is useful for forms, milestones, eligibility cutoffs, or historical records.
Is this age calculator suitable for official use?
This tool provides accurate results often used for forms, planning, and personal records. However, always verify ages with official documents (birth certificates, passports) for legal purposes.
Do you store my birth date or personal information?
No. All calculations are performed locally in your browser. No birth dates, ages, or personal data are saved, transmitted, or stored on any server. Your privacy is guaranteed. Learn more on our privacy page.
Age on Any Date – FAQs
How old was I on a specific date?
Enter your date of birth and the date you want to check. The calculator instantly shows your exact age on that date in years, months, and days.
How old will I be on a future date?
You can calculate your future age by selecting any future date. This is useful for planning birthdays, milestones, or eligibility requirements.
Can I calculate my age on a past date?
Yes. This tool works for past, present, and future dates, making it ideal for historical age checks or official records.
Is the age calculation accurate?
Yes. The calculator accounts for leap years, month lengths, and exact calendar differences to ensure accurate results.
Do you store my dates?
No. All calculations are performed locally in your browser. No personal data is saved or transmitted.