Age calculator

Exact age and days until the next birthday.

Date Of Birth*

As Of

Result

Run the tool to see results here.

About Age calculator

Age calculator is a free online calculator tool. Exact age and days until the next birthday.

Enter your input, adjust the options (date of birth and as of) and run it. The result appears right next to the form, is never stored, and you can copy or save it in one click. No account is needed.

How to use Age calculator

Type or paste your input into the form.
Choose the options you need: date of birth and as of.
Press Run, or use Ctrl/⌘ + Enter.
Copy or save the result from the panel on the right.

Age calculator FAQ

What does Age calculator do?

Exact age and days until the next birthday.

Is Age calculator free to use?

Yes. Age calculator is free, with no sign-up or account required.

Is my data safe?

Results are never stored. See our privacy policy for details.

What options does Age calculator have?

You can set: Date Of Birth and As Of.

More everyday calculators tools

🧮

Percentage calculator

percent-of: a% of b | what-percent: a is what % of b | change: % change from a to b | increase: b increased by a% | decrease: b decreased by a%

🧮

Discount calculator

Final price after discount and optional tax.

🧮

Tax / GST calculator

Add tax to a net amount, or extract it from a tax-inclusive amount. Set split=true for a CGST/SGST style half-and-half breakdown.

🧮

Date difference

Years/months/days between two dates, total days and business days.

🧮

Time duration calculator

Add up durations written like "1d 2h 30m", "45m", "90s".

🧮

Categories and units: length (mm, cm, m, km, in, ft, yd, mi); mass (mg, g, kg, tonne, oz, lb); volume (ml, l, m3, tsp, tbsp, floz, cup, pt, qt, gal); area (cm2, m2, ha, km2, ft2, yd2, acre, mi2); speed (m/s, km/h, mph, knot); time (ms, s, min, h, day, week); temperature (C, F, K).

See all Everyday calculators tools →

Popular on Toolsera

🖼️