Age Difference Calculator
Calculate Age Difference
Formula
Difference = later date − earlier date (in years, months, days) | Half+7 rule: younger ≥ older/2 + 7
Frequently Asked Questions
What is the half-your-age-plus-7 rule?
The rule states that the younger person in a relationship should be at least half the older person's age plus 7 years. For example, if you're 30, the youngest acceptable partner would be 30/2 + 7 = 22.
How is age difference calculated?
Age difference is calculated by finding the exact number of years, months, and days between two birth dates. We account for varying month lengths and leap years.
What is the average age difference in couples?
Studies show the average age difference in heterosexual couples is about 2–3 years, with the man typically being older. Same-sex couples tend to have slightly larger age gaps on average.
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