Age Calculator
Exact age in years, months and days — and a countdown to your next birthday.
Result
How to use
- 1
Pick the date of birth.
- 2
Keep today's date or choose another date.
- 3
See the exact age, days lived and next birthday.
Questions
How is age calculated?
The calculator counts completed years, then months, then days — the same way age is stated on official forms.
Can I calculate age on a past or future date?
Yes. Change the “Age on” date to any date.
About this Age tool
Age Calculator — Exact age in years, months and days — and a countdown to your next birthday. It is one of 200 free tools on namasivayam.in, made by software engineer Namasivayam Vadivelan for everyday use in India.
Everything is calculated instantly in your browser: nothing you type or upload is sent to any server, there is no sign-up, and it works on mobile and desktop. Pick the date of birth.
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Results are estimates to help you plan. They are not financial, tax or medical advice.