Age Calculator
Calculate exact age from a birthdate
Age Calculator is a free online tool from BrowserUtils that calculate exact age from a birthdate. It runs entirely in your browser — your data never leaves your device. No account required.
How to use Age Calculator
- 1 Paste or type your input into the editor above.
- 2 The tool processes your data instantly — right in your browser, with nothing sent to a server.
- 3 Copy the result with one click or continue editing your input.
About Age Calculator
Free online age calculator. Calculate your exact age in years, months, days, and more from any birthdate. This tool runs entirely in your browser — your data is never sent to a server. Just paste your input, get instant results, and copy with one click. No sign-up or installation required.
Age Calculator specs
- Runtime
- 100% client-side (browser)
- Built on
- Native Date and Intl.DateTimeFormat APIs with full IANA timezone database support
- Cost
- Free — no account, no rate limits, no usage caps
- Browser support
- Chrome 90+, Firefox 88+, Safari 14+, Edge 90+
- Part of
- 299 developer tools on BrowserUtils (100% client-side)
Questions
How is the exact age calculated?
The tool computes the difference between your birthdate and today, breaking it down into complete years, remaining months, and remaining days.
Does it account for leap years?
Yes, the calculation correctly handles leap years and varying month lengths.
Can I use the age calculator to find someone else's age?
Yes. Enter any birthdate and the tool calculates the age as of today. It works for any person or any reference date you choose.
Does the age calculator show age in days and hours?
Yes. In addition to years, months, and days, the tool displays the total number of days and other granular breakdowns so you can see your exact age in multiple units.
Is the age calculator private?
Yes. The calculation runs entirely in your browser. The birthdate you enter is not stored or sent anywhere.
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