Age Difference Calculator
Calculate the age difference between two people in years, months, and days.
Age Difference
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In Months —
Approximate Days —
Person 1 Age —
Person 2 Age —
How to Use This Calculator
Enter the birth year and month for two people. The calculator shows the exact age difference in years and months, plus each person's current age.
Formula
Age Difference = |Date1 - Date2|
Result converted to years and months
Result converted to years and months
Example
Example: Person born June 1990 and person born March 1995: Age difference = 4 years, 9 months (approximately 1,735 days).
Frequently Asked Questions
- The "half your age plus seven" rule is a common social guideline. For example, a 30-year-old: minimum acceptable age = 30/2 + 7 = 22. But this is a social convention, not a rule.
- Research shows that age gaps of 1-3 years have the highest satisfaction rates. Larger gaps can work well but may face different life-stage challenges.
- The calculator computes the absolute difference between two birth dates in years, months, and days.
- In the US, the average age difference between heterosexual couples is about 2.3 years, with the man typically older.