Calculator Tools

Free online calculators for percentages, BMI, EMI, discounts, and more. Use the tool on each page, then read the guide below.

Each calculator is at the top of its page with helpful content underneath.

Our Calculators

Percentage Calculator

Calculate percentages, what is X% of Y, and percentage change.

BMI Calculator

Calculate your Body Mass Index from height and weight.

EMI Calculator

Calculate monthly loan EMI from principal, rate, and tenure.

Discount Calculator

Calculate final price after discount or find the discount percentage.

Why Use Our Calculator Tools?

Our calculator tools give you quick answers for everyday math: percentages for discounts and grades, BMI for a rough health snapshot, EMI for loan planning, and discounts for shopping. Each page puts the calculator at the top so you can use it immediately, with clear content below explaining the formula and how to use the result.

How Each Page Is Structured

Every calculator page follows the same layout: first the tool (inputs and live results), then a short article with definitions, step-by-step usage, and tips. This helps you both get an answer and understand the concept. No account is required; everything runs in your browser.

Frequently Asked Questions

  • We offer a percentage calculator (X% of Y, add/subtract percent, what percent is X of Y), BMI calculator (height and weight), EMI calculator (loan amount, rate, tenure), and discount calculator (percent off or amount off). Each tool is on its own page with the calculator at the top and explanatory content below.
  • Yes. All calculators on this site are free to use with no sign-up required. Use them for homework, shopping, loans, or health checks. Results are computed in your browser and we do not store your inputs.
  • Open the calculator page (e.g. Percentage Calculator or BMI Calculator). The interactive tool is at the top. Enter your values and see results update. Below the tool you’ll find short guides on what the calculator does and how to interpret the results.
  • Yes. The site is mobile-friendly. You can use any calculator on your phone or tablet. Buttons and inputs are sized for touch, and the layout adapts to small screens.
  • We use standard formulas (e.g. BMI = weight/height², standard EMI formula). Results are intended for general use. For medical, tax, or legal decisions, always consult a professional. See our Disclaimer for more information.