Age Calculator – Free Online Tool
Quick Answer
Calculate your exact age in years, months, days, and hours with this free age calculator from Toolscal. Enter your birth date and get detailed results instantly without signup or downloads.
Calculate your exact age in years, months, days, hours, and minutes
What is Age Calculator? An age calculator computes exact age from birth date. Age equals Current Year minus Birth Year. 1 year equals 365.25 days equals 8,760 hours. Example: Born Jan 1, 2000 equals 25 years old on Jan 1, 2025. Shows age in years, months, days, hours, minutes.
📐 Age Calculation Guide
Age in Years = Current Year - Birth Year
Example: Born 2000, current year 2025: 2025 - 2000 = 25 years
Age in Days = Years × 365.25
Example: 25 years equals 25 × 365.25 = 9,131 days
Age in Hours = Days × 24
Example: 365 days equals 365 × 24 = 8,760 hours
Age in Months = (Years × 12) + Extra Months
Example: 25 years 6 months equals (25 × 12) + 6 = 306 months
Common Conversions:
1 year = 365.25 days = 8,760 hours = 525,600 minutes
About This Tool
Precise age calculation from date of birth. Shows age in multiple units and calculates time to next birthday.
Accuracy Information
Age = Current Date - Birth DateHow to Use
- 1Enter your birth date in the date picker
- 2Choose the date to calculate age as of (defaults to today)
- 3Click "Calculate Age" to see detailed results
- 4View your age in multiple formats including days, weeks, hours, and more
Why Use This Tool?
- Find out your exact age for important documents
- Calculate age for age-restricted activities or services
- Determine eligibility for age-based programs
- Track milestones and anniversaries
- Calculate how many days until your next birthday
Frequently Asked Questions
How to calculate age from date of birth?
Age equals Current Year minus Birth Year. Adjust for month/day. Example: Born Jan 15, 2000. Today Dec 29, 2025. Age equals 25 years.
How many days in 25 years?
25 years equals approximately 9,125 days (accounting for leap years). Formula: Years × 365.25 = Days. Example: 25 × 365.25 = 9,131 days.
How to calculate age in months?
Age in months equals (Years × 12) + Months. Example: 25 years and 6 months equals (25 × 12) + 6 = 306 months.
What is my age if born in 2000?
Born in 2000 equals 25 years old in 2025. Formula: 2025 - 2000 = 25 years (adjust for birth month/day).
How many hours in 1 year?
1 year equals 8,760 hours. Formula: 365 days × 24 hours = 8,760 hours. Leap year equals 8,784 hours.
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