Free Online Calculators
Quick, accurate, and easy-to-use calculators for finance, health, math, and more. Designed for professionals and students alike.
Popular Calculators
Financial Calculators
EMI Calculator
Calculate your exact monthly loan EMI with formula breakdown. Free online EMI calculator for home, car, and personal loans in India. Includes amortization.
Use Calculator →Loan Calculator
Calculate your loan repayment amount, total interest, and amortization schedule. Free online loan calculator for any type of loan.
Use Calculator →SIP Calculator
Calculate SIP returns on your mutual fund investments. Find out how much your monthly SIP can grow. Free SIP calculator with compound growth projection.
Use Calculator →Compound Interest Calculator
Calculate compound interest and see how your investment grows over time. Free compound interest tool with yearly, quarterly, and monthly compounding.
Use Calculator →Simple Interest Calculator
Calculate simple interest on loans or savings instantly. Free SI calculator — enter principal, rate, and time to get interest and total amount.
Use Calculator →Salary Calculator
Calculate your take-home salary from CTC. Free salary calculator accounting for PF, PT, and tax deductions. Know your exact monthly in-hand pay.
Use Calculator →GST Calculator
Add or subtract GST on any amount with our free India GST calculator. Supports all slab rates (5%, 12%, 18%, 28%). Fast and accurate. No login required.
Use Calculator →Discount Calculator
Find your sale price after discount and GST instantly. Free online discount calculator for smart shopping. Accurate bill calculation in seconds.
Use Calculator →Electricity Bill Calculator
Estimate your monthly electricity bill instantly. Enter units consumed and rate per unit to calculate your power bill. Free online electricity calculator.
Use Calculator →Rent Affordability Calculator
Calculate how much rent you can safely afford based on your income. Free rent affordability calculator — using the 30% rule for financial stability. Fast and free.
Use Calculator →Inflation Calculator
Calculate the impact of inflation on your money. Free inflation calculator — find future and past purchasing power with accurate economic data. Fast and free.
Use Calculator →Savings Goal Calculator
Find out how much you need to save monthly to reach your financial goal. Free savings goal planner — enter target amount and deadline instantly.
Use Calculator →Retirement Calculator
Plan your retirement by estimating the corpus you need. Free retirement calculator — enter your age, target retirement age, and monthly expenses.
Use Calculator →Gratuity Calculator
Calculate your gratuity benefit based on years of service and salary. Free gratuity calculator as per the Payment of Gratuity Act, India.
Use Calculator →Income Tax Calculator
Estimate your income tax liability under the New Tax Regime quickly. Free India income tax calculator for FY 2025-26. Simple and accurate.
Use Calculator →FD Calculator
Calculate Fixed Deposit maturity amount and interest earned. Free FD calculator for all tenures and interest rates. Plan your FD investment easily.
Use Calculator →RD Calculator
Calculate your Recurring Deposit maturity amount and interest. Free RD calculator — enter monthly installment, rate, and tenure to get results.
Use Calculator →PPF Calculator
Calculate your PPF maturity amount and interest earned. Free PPF calculator — see how your Public Provident Fund investment grows over 15 years.
Use Calculator →NPS Calculator
Estimate your NPS corpus at retirement. Free NPS calculator — calculate National Pension System returns based on age, monthly investment, and ROI.
Use Calculator →CAGR Calculator
Calculate the Compound Annual Growth Rate (CAGR) of your investment. Free CAGR calculator for stocks, mutual funds, and business growth analysis. Instant results.
Use Calculator →HRA Calculator
Calculate your HRA tax exemption amount. Free HRA calculator for metro and non-metro cities — enter basic salary, HRA received, and rent paid.
Use Calculator →ROI Calculator
Calculate Return on Investment (ROI) percentage instantly. Free ROI calculator — enter amount invested and returned to get your profit percentage.
Use Calculator →Margin Calculator
Calculate profit margin and markup percentage instantly. Free margin calculator — enter cost and selling price to find gross profit and margin %.
Use Calculator →Profit Margin Calculator
Calculate gross profit margin instantly for your small business. Free online tool designed for Indian entrepreneurs. Accurate and easy to use.
Use Calculator →Markup Calculator
Calculate profit percentage and markup amount instantly. Free online markup calculator for businesses and sellers. Fast results with simple formula.
Use Calculator →Break Even Calculator
Find your break-even point instantly with our simple online calculator. Essential for business planning and feasibility. Free, fast, and accurate.
Use Calculator →Sales Tax Calculator
Calculate sales tax instantly with our free online tool. Get accurate results with formula and step-by-step explanation. Fast and easy.
Use Calculator →Hourly to Salary Calculator
Convert your hourly pay into a full annual salary instantly. Free online calculator tailored for Indian compensation models. Accurate payroll planning tool.
Use Calculator →Salary to Hourly Calculator
Translate your monthly or annual salary into an hourly wage. Free online tool for Indian professionals. Understand your real earning potential instantly.
Use Calculator →Compound Growth Calculator
Calculate compound interest with step-by-step breakdown. Free online compound growth calculator for investments, FDs, and SIPs. Understand the power of compounding.
Use Calculator →Savings Interest Calculator
Calculate interest on your savings account, FD, or RD online. Free savings interest calculator for all Indian banks. Get instant results to plan your wealth.
Use Calculator →Overtime Calculator
Find your overtime earnings based on hourly rate and multiplier. Specialized overtime calculator for Indian salary structures. Free, fast, and accurate.
Use Calculator →Health Calculators
BMI Calculator
Calculate your Body Mass Index instantly with our free BMI calculator. Includes a visual chart and healthy weight ranges for men and women. Quick and accurate.
Use Calculator →Age Calculator
Calculate your exact age as of today with our date of birth calculator. Perfect for school admissions and government jobs in India. Fast, free, and accurate.
Use Calculator →Calorie Calculator
Calculate your daily calorie needs (TDEE) based on age, height, weight, gender, and activity level. Free TDEE and BMR calorie calculator.
Use Calculator →BMR Calculator
Calculate your Basal Metabolic Rate (BMR) instantly. Find the minimum calories your body needs at rest. Free BMR calculator for men and women.
Use Calculator →Body Fat Calculator
Estimate your body fat percentage using the US Navy method. Free body fat calculator — enter waist, neck, and height for an accurate estimate.
Use Calculator →Ideal Weight Calculator
Find your ideal healthy weight range based on height and gender. Free ideal weight calculator using the Hamwi and Devine formulas. Fast & accurate.
Use Calculator →Pregnancy Calculator
Calculate your pregnancy due date and current week instantly. Free pregnancy due date calculator — enter your last period date for accurate results.
Use Calculator →Ovulation Calculator
Find your most fertile days and ovulation date. Free ovulation calculator — enter your last period date and cycle length to locate the fertile window.
Use Calculator →Math Calculators
Percentage Calculator
Calculate percentage instantly online. Find X% of Y, percentage change, or what percent X is of Y. Free, fast, and easy-to-use percentage tool.
Use Calculator →Fuel Cost Calculator
Find your exact travel cost per kilometer based on fuel price and mileage. Free online fuel calculator for road trips and commuting in India. Fast results.
Use Calculator →Unit Converter
Convert between metric and imperial units instantly. Free online unit converter — for length, weight, area, and volume. Fast, accurate, and free.
Use Calculator →Area Calculator
Calculate the area of any shape online — rectangle, circle, triangle, and more. Free area calculator with formula explanations. Fast and accurate.
Use Calculator →Volume Calculator
Calculate volume of 3D shapes — cube, sphere, cylinder, and more. Free online volume calculator with step-by-step formula explanations.
Use Calculator →Speed Calculator
Calculate speed, distance, or time using the S = D/T formula. Free speed calculator for physics, travel planning, and everyday use.
Use Calculator →GPA Calculator
Calculate your GPA (Grade Point Average) quickly. Free GPA calculator — enter total grade points and credits to get your academic GPA score.
Use Calculator →Tip Calculator
Calculate tip amount and split the bill per person instantly. Free tip calculator — enter bill, tip %, and number of people for quick results.
Use Calculator →Binary Converter
Convert decimal numbers to binary instantly. Free online binary converter — perfect for CS students, developers, and anyone learning number systems.
Use Calculator →Average Calculator
Find the mean of any number set instantly. Our free average calculator handles both numbers and percentages with ease. Simple, fast, and accurate.
Use Calculator →Ratio Calculator
Simplify and solve ratios instantly with our free online tool. Get step-by-step instructions and formula examples. Perfect for school and work.
Use Calculator →Date Difference Calculator
Find the exact difference between two dates in years, months, and days. Free online date duration calculator for planning and deadlines. Quick and accurate.
Use Calculator →Time Duration Calculator
Calculate the total hours and minutes between two times instantly. Free online time duration calculator for shifts, events, and billing. Simple and fast.
Use Calculator →Percentage Increase Calculator
Calculate percentage increase instantly with our free online tool. Get step-by-step results with formula and real examples. Fast, accurate, and easy.
Use Calculator →Percentage Decrease Calculator
Use our percentage decrease calculator to find the reduction between values. Includes simple formula, examples, and step-by-step math. Free and accurate.
Use Calculator →Grade Percentage Calculator
Learn how to calculate percentage of marks instantly with our free online tool. Perfect for students and teachers. Accurate results with simple formula.
Use Calculator →Weighted Average Calculator
Calculate weighted averages instantly with our free online tool. Get accurate results with simple formula and step-by-step explanation. Fast and easy.
Use Calculator →Utility Calculators
Unit Price Calculator
Compare product prices per unit to find the best deal. Free unit price calculator for shopping and bulk purchasing decisions. Instant accurate comparisons.
Use Calculator →Cost Per Mile Calculator
Calculate fuel cost per mile for your car or fleet. Free online tool for accurate travel expense tracking. Optimal for personal and business planning.
Use Calculator →Time Zone Converter
Convert time between IST and USA time zones (EST, PST, CST) instantly. Accurate time zone converter for global meetings and travel. Free and easy.
Use Calculator →Work Hours Calculator
Track and calculate your weekly work hours instantly. Free online tool with break subtraction for accurate payroll. Essential for freelancers and staff.
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