Use this fast, privacy‑friendly age calculator to get your exact age broken down into years, months, and days. Simply enter your date of birth and tap Calculate. The result updates instantly in your browser—no sign‑in, no server requests, and no data stored. It's perfect when a form asks for age in years and months, when you're planning milestones, or when you're just curious about the precise time you've lived.
The calculator compares your selected birthday with today's date and computes the difference with proper borrowing between days and months. It handles different month lengths and accounts for leap years, so February dates and end‑of‑month cases are calculated correctly. If you pick a future date, the tool simply won't produce a negative age.
All calculations run locally in your browser, which keeps your information private. Results use calendar math rather than approximations, so you'll see a realistic breakdown that matches real‑world dates.