Age Gap Calculator: How to Calculate the Difference Between Two Birth Dates

An age gap calculator computes the precise time difference between two birth dates, showing who is older and by exactly how much.

To calculate an age gap manually: subtract the older person's birth date from the younger person's birth date. The result is their age difference in years, months, days, and optionally hours, minutes, and seconds.

Age gaps are commonly measured in relationships, friendships, and professional contexts. Understanding the exact difference can be fun and insightful.

Our Age Gap Calculator at Age Right Now shows a visual timeline of the difference with names, dates, and a chronological breakdown in total days, hours, minutes, and seconds.

Try our age gap calculator for free — 100% private, client-side, and accurate down to the minute.