About Date of Birth Calculator
This DOB Calculator allows you to calculate your exact agedate of birth. It shows your age in years, months, and days, and also tells you how many days are left until your next birthday. Perfect for schools, legal documents, personal records, and more.
How to Use the DOB Calculator
Just enter your date of birth, and the calculator will instantly provide:
- Your current age in years, months, and days
- Your birth day of the week
- Time left for your next birthday
- Total days you’ve lived
How Age Is Calculated
The calculator subtracts your date of birth from the current date using system time. It also factors in leap years and month-length differences to ensure accurate results.
Age = Current Date – Date of Birth
Example
Date of Birth: 15 August 2000
Today’s Date: 20 June 2025
→ Age: 24 years, 10 months, 5 days
→ Day of Birth: Tuesday
→ Days Lived: 9,070 days
Common Use Cases
- School admission or age eligibility checks
- Government forms and ID verifications
- Calculating retirement eligibility
- Birthday reminders and event planning
- Medical record accuracy
Why Use a DOB Calculator?
This tool ensures accurate age tracking, which is essential for formal applications, legal requirements, and even fun personal insights. It's more precise than manual calculations and also breaks down the age in months and days.
Frequently Asked Questions (FAQs)
Can I calculate age in months or days?
Yes, the DOB calculator provides your age in years, months, and total days lived.
Does this tool work for leap years?
Yes, it automatically adjusts for leap years and varying month lengths.
Can I calculate someone else's age?
Absolutely. Just enter any date of birth — the tool works for all dates.
What’s the minimum or maximum age I can enter?
You can enter any valid date of birth — from newborns to people over 100 years old.
Is this calculator accurate?
Yes. It uses precise time calculations based on your system date and considers leap years.
Related tools: Age Calculator.