Age & Date Calculator
Two calculators: your precise age right now, and the distance between any two dates in days, weeks, months and business days.
Runs entirely in your browser — nothing is uploaded to a server.
How old am I?
—Exact age
—Months
—Weeks
—Days
—Hours
Days between two dates
—Days
—Weeks
—Weekdays
—Y / M / D
Frequently asked
How is exact age calculated?
Calendar-aware: it counts whole years, then whole months, then remaining days, accounting for different month lengths and leap years.
Can it count business days?
Yes — the date difference calculator shows weekdays only alongside the total.