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
What the calculator shows you
Enter a date of birth — for example, January 15, 1990 — and the calculator instantly shows:
- Exact age: in years, months, and days, calculated live as of today
- Total days lived: your complete day count since birth, accounting for leap years
- Days until your next birthday: an automatic live countdown
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?" → Visit the Born in 1990 page for your exact age range today, or use the calculator above for your precise age.
- "How many days have I been alive?" → The calculator shows your total days lived, calculated live based on today's date.
- "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?
Visit the Born in 1990 page for your exact age range today, a month-by-month table, and an exact calculator. Or enter your exact birth date in the calculator above for a precise age in years, months, and days.
How old am I if I was born in 2000?
Visit the Born in 2000 page for your exact age range today, a month-by-month table, and an exact calculator. Or enter your exact birth date in the calculator above for a precise age in years, 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, calculated live based on today's date. 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.
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.
How accurate is this age calculator?
This calculator uses exact calendar calculations, including leap years, to give your precise age in years, months, and days, not just an approximate figure based on birth year alone.
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.
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