🔒 100% in-browser

Everyday Calculators

Percentage, age, date difference, and EMI — quick tools for daily math in India and beyond.

Percentage calculator

Percentage (X%)

Of value (Y)

Age calculator

Date of birth

As of (optional)

Defaults to today

Date difference

From date

To date

Simple interest & EMI

Principal (₹)

Annual rate (%)

Time (years)

Or months

If both set, months override

🔒

Privacy: All calculations run locally in your browser. No numbers are uploaded.