Quick Start
Open the "Age Calculator" tool on HeronTool. Enter your birth date and a reference date (default is today), then click calculate to get the exact age in years, months, and days. Ideal for birthdays, school age, or legal age checks.
Calculate Days Since Birth
To find the total days from birth to a specific date, use HeronTool's "Age in Days" feature. Input the date, and the tool returns the cumulative days plus the average equivalent in years. Useful for custody records, pet age conversion, or insurance underwriting.
Advanced Tips
- Both tools accept manual date entry or a calendar picker; ensure the format is YYYY-MM-DD.
- Set the reference date to a future date to predict age (e.g., retirement countdown).
- Results can be copied with one click for easy pasting into documents or spreadsheets.
FAQ
Q: Does the age calculation include the start day? No, it counts completed years, consistent with legal conventions.
Q: Does 'days since birth' include the birth day? No, it starts from midnight of the day after birth.
Q: Can the tool handle leap years? Yes, it has a built-in leap-year calendar that adjusts February days automatically.
