Tools
Practical calculators and utilities for quick answers. Clean design, clear inputs, and reliable results across mobile and desktop.
CGPA to percentage calculator
Map CGPA and scale maximum to a percent; details on the page. Confirm rules with your institution.
Date duration calculator
Calendar day gap between two dates with an optional inclusive end date, weeks and leftover days, and a Monday-through-Friday count. Uses your browser locale for date labels.
APY calculator
Annual percentage yield from a nominal APR and compounding schedule. Compare savings and deposit style quotes.
Discount calculator
List price with percent off or sale price. See final amount, savings, and effective discount for quick retail checks in any currency you use.
Percentage calculator
What is X% of Y, part vs whole, and percent change. For budgets, work, shopping, or study when you need a fast answer.
Simple interest calculator
Compute SI and total amount using a date range (date to date / by date) or fixed days, months, or years. Rates: rupees per month or % per annum.
Why these tools are useful
Real-world use
Built for common day-to-day calculations with straightforward flow.
Mobile-friendly
Inputs, cards, and results are optimized for smaller screens.
Fast and clear
Instant calculations with clear assumptions and readable output.