Reviewed by: David Chen, CFA
David Chen is a Certified Financial Analyst with over 10 years of experience in financial tools and calculators.
David Chen is a Certified Financial Analyst with over 10 years of experience in financial tools and calculators.
Use this tool to calculate how old you are today based on your date of birth.
How Old Today Calculator
Not calculated yet.
How Old Today Formula
Age = Current Year – Birth Year
Formula Source: Investopedia
- Birth Year: The year you were born.
- Current Year: The year of the calculation.
Related Calculators
What is Age?
Age is the amount of time a person has lived, calculated from the date of birth to the present day.
How to Calculate Your Age (Example)
- Step 1: Enter your date of birth and today’s date.
- Step 2: Click “Calculate” to determine your age.
Frequently Asked Questions (FAQ)
How accurate is this calculator? The calculator uses the exact difference between the two dates.
Can I calculate age in months or days? Yes, the same logic applies to months or days with slight adjustments.
Is the calculator year-based only? It calculates the age based on the exact current date and birth date.