Age Calculator
Age Calculator is a free online calculator that helps you compute your age in years, months, and days from a date of birth; plus total days lived. Age Calculator uses 2 input fields, returns 6 output values, and runs in your browser on the device.
Key facts
- Inputs
- 2 fields: Date of birth (YYYY-MM-DD) and Target date (YYYY-MM-DD, blank = today)
- Outputs
- 6 values: Age, Total days, Total hours, Total minutes, Total seconds, and Days until next birthday
- Runtime
- your browser on the device
- Mode
- Calculator
- Privacy
- Files and text stay in the browser session.
- Cost
- $0, no account required
How to use Age Calculator
- 1
Paste or fill in the input
Enter your text or values into the input fields on the page.
- 2
Run the utility
Click Compute to run the utility in your browser and review the result.
- 3
Copy the output
Copy the output value you need from the result panel.
Age Calculator details
First, enter Date of birth (YYYY-MM-DD) in Age Calculator. Next, review Age, Total days, Total hours, Total minutes, Total seconds, and Days until next birthday. Additionally, Age Calculator uses 2 input fields and 6 output blocks so the result is easy to scan and copy.
Pick a date of birth (and optionally a target date; defaults to today). Returns the age in years/months/days and breakdowns in total days, hours, minutes, and seconds. Runs locally in your browser.
Common searches
- age calculator
- calculate age
- how old am i
- date of birth calculator
- years months days calculator
- age in days
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Frequently asked
What is Age Calculator?
Age Calculator is a free online calculator that helps you compute your age in years, months, and days from a date of birth; plus total days lived. Age Calculator uses 2 input fields, returns 6 output values, and runs in your browser on the device.
What inputs and outputs does Age Calculator use?
Age Calculator uses 2 input fields: Date of birth (YYYY-MM-DD) and Target date (YYYY-MM-DD, blank = today). Age Calculator returns 6 output values: Age, Total days, Total hours, Total minutes, Total seconds, and Days until next birthday.
Do my files and data stay private?
Yes. Age Calculator runs entirely in your browser using your device's CPU. Files and text are never uploaded to our servers, so your data stays private.
How do I use Age Calculator?
Open Age Calculator, paste or fill in the input fields, and the result updates instantly. Age Calculator runs in your browser with no upload and no waiting.
Which browsers does Age Calculator support?
Any modern browser works in Chrome, Firefox, Safari, and Edge on desktop and mobile. Age Calculator uses standard web APIs and does not require any plugin, extension, or sign-up.