Free Online Calculators & Tools — For Every Need
98+ free, fast, and accurate calculators for finance, health, math, and more. No signup required. Works worldwide.
Our Calculators
Choose from our comprehensive collection of free online calculators
Financial Calculators
GST Calculator
Calculate GST amount, pre-GST and total price for 5%, 12%, 18%, 28% slabs
Use Tool →SIP Calculator
Calculate SIP maturity amount and returns for mutual fund investments
Use Tool →EMI Calculator
Calculate loan EMI, total interest for home, car and personal loans
Use Tool →FD Calculator
Calculate Fixed Deposit maturity amount and interest earned
Use Tool →PPF Calculator
Calculate Public Provident Fund maturity amount and yearly returns
Use Tool →Discount Calculator
Calculate sale price, discount amount and savings percentage
Use Tool →ROI Calculator
Calculate Return on Investment, net profit and annualized returns
Use Tool →Tip Calculator
Calculate tip amount, total bill and split among friends
Use Tool →Savings Calculator
Calculate how your savings grow with deposits and compound interest
Use Tool →Retirement Calculator
Calculate retirement corpus needed and monthly savings required
Use Tool →Net Worth Calculator
Calculate your total net worth — assets minus liabilities
Use Tool →Dividend Calculator
Calculate dividend income, yield and total returns from stocks
Use Tool →VAT Calculator
Calculate VAT amount, pre-VAT and post-VAT price instantly
Use Tool →Sales Tax Calculator
Calculate sales tax amount and total price including tax
Use Tool →Budget Calculator
Plan monthly budget with income vs expenses breakdown
Use Tool →Debt Payoff Calculator
Calculate debt-free date and total interest with payoff strategies
Use Tool →Currency Converter
Convert between major world currencies with exchange rates
Use Tool →Break Even Calculator
Calculate break-even point in units and sales revenue
Use Tool →EPF Calculator
Calculate Employee Provident Fund maturity amount and returns
Use Tool →Gratuity Calculator
Calculate gratuity amount as per Indian Gratuity Act
Use Tool →Basic Calculator
Simple calculator for everyday addition, subtraction, multiplication, and division
Use Tool →Triangle Calculator
Find area, perimeter, and angles of a triangle from its side lengths
Use Tool →Circle Calculator
Calculate radius, diameter, circumference, and area of a circle
Use Tool →Distance Calculator
Find the distance between two points using their coordinates
Use Tool →Long Division Calculator
Get the quotient, remainder, and decimal result of any division
Use Tool →Slope Calculator
Find the slope, angle, and equation of a line between two points
Use Tool →Pythagorean Theorem Calculator
Find the missing side of a right triangle instantly
Use Tool →Mean, Median, Mode, Range Calculator
Find the mean, median, mode, and range of any data set
Use Tool →Percentage Calculator
Calculate percentage of a number, percentage change and what % one number is of another
Use Tool →Average Calculator
Calculate mean, median, mode, range and sum of any set of numbers
Use Tool →Statistics Calculator
Calculate mean, median, standard deviation, variance and descriptive statistics
Use Tool →Area Calculator
Calculate area of circle, rectangle, triangle, square, trapezoid and more shapes
Use Tool →Speed Distance Time Calculator
Calculate speed, distance or time — enter any two values to find the third
Use Tool →Prime Number Checker
Check if any number is prime and find prime factors instantly
Use Tool →Probability Calculator
Calculate probability, odds and likelihood of events and multiple outcomes
Use Tool →Permutation & Combination
Calculate nPr permutations and nCr combinations for any n and r
Use Tool →Standard Deviation Calculator
Calculate population and sample standard deviation and variance
Use Tool →Modulo Calculator
Calculate modulo remainder of any division with quotient and formula
Use Tool →Factorial Calculator
Calculate factorial n! of any number with step-by-step breakdown
Use Tool →Volume Calculator
Calculate volume of cube, sphere, cylinder, cone and other 3D shapes
Use Tool →Absolute Value Calculator
Calculate the absolute value |x| of any number instantly
Use Tool →Number Base Converter
Convert numbers between binary, decimal, hexadecimal, octal and any base
Use Tool →Calorie Calculator
Calculate daily calorie needs for weight loss, maintenance or muscle gain
Use Tool →Water Intake Calculator
Calculate how much water you should drink daily based on weight and activity
Use Tool →Pregnancy Calculator
Calculate pregnancy due date, current week and trimester from LMP
Use Tool →Macro Calculator
Calculate daily protein, carbs and fat macros based on your fitness goal
Use Tool →Weight Loss Calculator
Calculate how long it will take to reach your goal weight with calorie deficit
Use Tool →Ovulation Calculator
Calculate your ovulation date and fertile window for conception planning
Use Tool →Waist Hip Ratio Calculator
Calculate your waist-to-hip ratio and cardiovascular health risk
Use Tool →Calorie Burn Calculator
Calculate calories burned during running, walking, cycling and other activities
Use Tool →Password Generator
Generate strong, random and secure passwords with custom length and options
Use Tool →Unit Converter
Convert length, weight, temperature, speed, area, volume and more units
Use Tool →Grade Calculator
Calculate your final grade and GPA from assignments and exams
Use Tool →GPA Calculator
Calculate cumulative GPA on 4.0, 5.0 or 10.0 scale from course grades
Use Tool →Case Converter
Convert text to UPPERCASE, lowercase, Title Case, camelCase and more
Use Tool →Lorem Ipsum Generator
Generate Lorem Ipsum placeholder text for designs and development projects
Use Tool →Countdown Calculator
Calculate days, hours and minutes until any future event or date
Use Tool →Business Days Calculator
Calculate working business days between two dates excluding weekends
Use Tool →Amortization Calculator
Calculate loan amortization schedule with monthly payments and total interest
Use Tool →Auto Loan Calculator
Calculate auto loan payments, total interest, and total cost
Use Tool →Auto Lease Calculator
Calculate monthly lease payments for vehicles
Use Tool →Cash Back Calculator
Calculate cashback earnings on purchases
Use Tool →Estate Tax Calculator
Estimate estate tax liability for inheritance planning
Use Tool →House Affordability Calculator
Determine how much house you can afford based on income
Use Tool →Income Tax Calculator
Calculate income tax for US, UK, India, Canada, and Australia
Use Tool →Interest Calculator
Calculate simple and compound interest with growth charts
Use Tool →Monthly Payment Calculator
Calculate monthly payments for any loan
Use Tool →Loan Calculator
Calculate your monthly payment, total interest, and total cost of any loan
Use Tool →Investment Calculator
Project the future value of your investments with compound growth
Use Tool →Compound Interest Calculator
See how your money grows with different compounding frequencies
Use Tool →Simple Interest Calculator
Find interest earned or owed using the simple interest formula
Use Tool →Present Value Calculator
Find the current worth of a future sum of money
Use Tool →Future Value Calculator
Project the future worth of a current sum of money
Use Tool →Commission Calculator
Find your earnings based on sales amount and commission rate
Use Tool →Down Payment Calculator
Find how much cash you need upfront for a home or car purchase
Use Tool →Mortgage Calculator
Calculate mortgage payments with PITI breakdown and amortization
Use Tool →Salary Calculator
Convert salary between hourly, daily, weekly, monthly, and annual
Use Tool →Take Home Pay Calculator
Calculate net pay after taxes and deductions
Use Tool →Health & Fitness Calculators
Due Date Calculator
Estimate your pregnancy due date based on your last menstrual period
Use Tool →Pregnancy Conception Calculator
Estimate your likely conception date based on your cycle
Use Tool →Pregnancy Weight Gain Calculator
Find your recommended pregnancy weight gain range based on BMI
Use Tool →Period Calculator
Predict your next period date and fertile window
Use Tool →Protein Calculator
Find your daily recommended protein intake based on activity level
Use Tool →TDEE Calculator
Find your Total Daily Energy Expenditure and maintenance calories
Use Tool →Body Type Calculator
Determine your body shape based on bust, waist, and hip measurements
Use Tool →BAC Calculator
Estimate blood alcohol content based on drinks and body weight
Use Tool →Overweight Calculator
Check your weight status and healthy weight range
Use Tool →Lean Body Mass Calculator
Estimate your fat-free body mass using the Boer formula
Use Tool →BMI Calculator
Calculate Body Mass Index and get health category assessment
Use Tool →BMR Calculator
Calculate Basal Metabolic Rate and daily calorie needs
Use Tool →Body Fat Calculator
Calculate body fat percentage using measurements
Use Tool →Ideal Weight Calculator
Calculate ideal weight using 5 different formulas
Use Tool →One Rep Max Calculator
Calculate your one-repetition maximum for weightlifting
Use Tool →Running Pace Calculator
Calculate running pace, speed, and finish times for races
Use Tool →Target Heart Rate Calculator
Calculate target heart rate zones for optimal training
Use Tool →Math Calculators
Big Number Calculator
Perform calculations with very large numbers using BigInt
Use Tool →Binary Calculator
Convert and calculate with binary, decimal, hex, and octal numbers
Use Tool →Exponent Calculator
Calculate exponents with step-by-step working
Use Tool →Factor Calculator
Find all factors, prime factors, and factor pairs
Use Tool →Fraction Calculator
Add, subtract, multiply, and divide fractions with solutions
Use Tool →GCF Calculator
Find Greatest Common Factor and LCM of multiple numbers
Use Tool →Hex Calculator
Convert and calculate with hexadecimal numbers
Use Tool →LCM Calculator
Find Least Common Multiple of multiple numbers
Use Tool →Log Calculator
Calculate logarithms in any base with step-by-step
Use Tool →Matrix Calculator
Perform matrix operations: add, subtract, multiply, transpose, inverse
Use Tool →Percentage Error Calculator
Calculate percentage error between experimental and theoretical values
Use Tool →Quadratic Calculator
Solve quadratic equations with graph visualization
Use Tool →Random Number Generator
Generate random numbers with custom range and options
Use Tool →Ratio Calculator
Calculate ratios and find missing values
Use Tool →Roots Calculator
Calculate nth roots with step-by-step working
Use Tool →Rounding Calculator
Round numbers using different methods
Use Tool →Scientific Calculator
Full scientific calculator with trig functions and memory
Use Tool →Time & Other Calculators
PDF to Excel Converter
Convert any PDF file into an Excel spreadsheet instantly, right in your browser
Use Tool →Date Calculator
Add or subtract days, weeks, months, or years from any date
Use Tool →Time Calculator
Add or subtract hours, minutes, and seconds
Use Tool →Height Calculator
Convert height between centimeters, feet, and inches
Use Tool →Dice Roller
Roll one or multiple virtual dice instantly online
Use Tool →Love Calculator
A fun tool to test name compatibility between two people
Use Tool →Fuel Cost Calculator
Estimate the total fuel cost for your trip
Use Tool →Gas Mileage Calculator
Find your vehicle fuel efficiency in MPG or km/liter
Use Tool →Mass Calculator
Convert between kilograms, grams, pounds, and ounces
Use Tool →Weight Calculator
Convert weight between kilograms, pounds, stones, and grams
Use Tool →Density Calculator
Find density, mass, or volume using the density formula
Use Tool →Roman Numeral Converter
Convert numbers to Roman numerals and back
Use Tool →Day Counter
Count the exact number of days between two dates
Use Tool →Day of the Week Calculator
Find out what day of the week any date falls on
Use Tool →Age Calculator
Calculate exact age in years, months, days, and next birthday
Use Tool →Free Time Calculator
Calculate your free time based on daily activities
Use Tool →Date Difference Calculator
Calculate the exact difference between two dates in years, months, weeks and days
Use Tool →Hours Calculator
Add, subtract time and calculate total work hours for the week
Use Tool →Picker Wheel
Spin the wheel to randomly pick a winner from your list of names
Use Tool →Sleep Calculator
Find the best bedtime or wake-up time based on sleep cycles
Use Tool →Stopwatch
Online stopwatch with lap timer, split times, and best/worst lap tracking
Use Tool →Time Zone Converter
Convert time between any world time zones with live world clock
Use Tool →Word Counter
Count words, characters, spaces, sentences and paragraphs instantly
Use Tool →MGNREGA Calculator
Calculate MGNREGA wages for Indian states
Use Tool →Negative Marking Calculator
Calculate exam score with negative marking. Supports UPSC, SSC, NEET, JEE
Use Tool →Data Extractor to PDF
Photo, upload or type data and download as Excel-style PDF
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