Age Difference Calculator

Age difference (selected unit)

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Who is older?

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🔀 Method i

Result

📏 Age difference i

Unit i

🧮 Exact calendar breakdown

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Step-by-step derivation

Show derivation

References

Assumption	Value
Average Gregorian year length	365.2425 days
Average month (for conversions)	1/12 of a year ≈ 30.436875 days
Week length	7 days

Notes: Calendar breakdown (years–months–days) uses actual month lengths and leap years. Unit conversions of total years/months use the averages above.