Age Difference Calculator

The calculator provides highly accurate results when using birth dates, calculating the exact difference in years, months, and days. When using birth years only, the result is approximate. For the most precise calculation, always use complete birth dates.

Yes, the calculator offers three modes: birth dates (most accurate), birth years (approximate), and current ages (direct calculation). Choose the mode that best fits your available information.

Research shows that couples with age differences of up to 3 years generally report higher satisfaction levels. However, successful relationships depend more on compatibility, shared values, and communication than age alone.

No, the calculator automatically determines who is older and displays the age difference as a positive number regardless of the order you enter the dates or ages.

Yes, you can calculate age differences between any two people, including historical figures, as long as you know their birth dates or birth years. The calculator accepts dates from 1900 onwards.

The "rule of seven" suggests that the minimum acceptable age for a romantic partner should be half your age plus seven years. While this is a popular guideline, it's not a scientific rule and relationship success depends on many factors beyond age.

When using birth dates, the calculator automatically accounts for leap years and varying month lengths to provide the most accurate age difference calculation possible.

The calculator automatically saves your inputs using browser storage, so your last calculation will be restored when you return to the page. However, the specific results are not permanently stored for privacy reasons.