Calculators

Calculate your exact age in years, months, and days instantly. Get total days lived, months lived, next birthday countdown, and milestone insights — all processed privately in your browser.

Calculate final prices with multiple discounts and sales tax instantly. See exactly how much you save and what you will pay at checkout. Perfect for shopping and retail price optimization.

Calculate your Semester or Cumulative GPA with weighted credits. Add multiple courses, assign letter grades and credit hours, and get your accurate grade point average instantly. Supports standard 4.0 scale with custom grade points.

Calculate the exact duration between any two dates instantly. Get precise breakdowns in years, months, weeks, days, and total hours. Handles leap years and variable month lengths automatically. Perfect for project planning, milestone tracking, and legal date calculations.

Calculate gross profit margin and markup percentages instantly. Enter your cost and selling price to see profit dollars, margin percentage, and markup percentage. Essential for product pricing, retail strategy, and business sustainability analysis.

Calculate return on investment instantly. Enter your invested amount and current value to see net profit, ROI percentage, and annualized return. Essential for evaluating stocks, real estate, business ventures, and marketing spend.

Solve all percentage-related math problems instantly. Calculate what is X% of a number, percentage increase or decrease, find the original value before a percentage change, and determine what percentage one number is of another. Free, private, and accurate.

Calculate your Body Mass Index (BMI) instantly with both Metric and Imperial units. Get your BMI score and WHO health category classification. Free, private, and accurate health screening tool for adults.

Calculate your Equated Monthly Installment (EMI) instantly. Enter loan amount, interest rate, and tenure to see your monthly payment, total interest, and total repayment amount. Free, accurate, and completely private.

Forecast your wealth growth with compound interest. Enter your initial investment, monthly contributions, interest rate, and time horizon to see your final balance, total contributions, and total interest earned. Free, private, and visually clear.