Calculatrices Gratuites en Ligne

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Algebra Calculator

Solve algebraic equations and simplify expressions step by step.

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Scientific Calculator

Full-featured scientific calculator with trigonometric, logarithmic and exponential functions.

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Graphing Calculator

Plot mathematical functions and equations on an interactive graph.

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Percentage Calculator

Calculate percentages, percentage change, and percentage of a number.

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Quadratic Formula Calculator

Solve quadratic equations ax² + bx + c = 0 using the quadratic formula.

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BMI Calculator

Calculate your Body Mass Index and find out if you are underweight, normal, overweight or obese.

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Age Calculator

Calculate your exact age in years, months and days from your date of birth.

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Calorie Calculator

Calculate your daily calorie needs based on age, gender, weight, height and activity level.

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TDEE Calculator

Calculate your Total Daily Energy Expenditure to know how many calories you burn.

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Mortgage Calculator

Calculate your monthly mortgage payment, total interest, and amortization schedule.

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Loan Calculator

Calculate monthly loan payments, total interest and full repayment schedule.

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EMI Calculator

Calculate Equated Monthly Installment for home, car or personal loans.

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Compound Interest Calculator

Calculate compound interest and see how your investment grows over time.

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Currency Converter

Convert between world currencies with up-to-date exchange rates.

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Salary Calculator

Convert annual salary to hourly, weekly, bi-weekly and monthly pay.

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Tax Calculator

Estimate your income tax liability and effective tax rate.

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Recurring Deposit Calculator

Calculate maturity amount and interest earned on recurring deposits.

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Investment Calculator

Calculate the future value of your investments with compound returns.

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Length Converter

Convert between meters, feet, inches, kilometers, miles and all length units.

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Date Calculator

Add or subtract days, weeks, months and years from any date.

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Days Between Dates

Calculate the exact number of days, weeks and months between two dates.

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Concrete Calculator

Calculate how many cubic yards or meters of concrete you need.

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GPA Calculator

Calculate your GPA from your course grades and credit hours.

📊

Algebra Calculator

Solve algebraic equations and simplify expressions step by step.

📐

Scientific Calculator

Full-featured scientific calculator with trigonometric, logarithmic and exponential functions.

📉

Graphing Calculator

Plot mathematical functions and equations on an interactive graph.

%

Percentage Calculator

Calculate percentages, percentage change, and percentage of a number.

²

Quadratic Formula Calculator

Solve quadratic equations ax² + bx + c = 0 using the quadratic formula.

½

Fraction Calculator

Add, subtract, multiply and divide fractions with step-by-step solutions.

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Standard Deviation Calculator

Calculate mean, variance, and standard deviation for a dataset.

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Distance Formula Calculator

Calculate the distance between two points using the distance formula.

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Exponent Calculator

Calculate powers and exponents including negative and fractional exponents.

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Ratio Calculator

Simplify ratios and solve ratio problems with step-by-step solutions.

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Binary / Hex Calculator

Convert between binary, decimal, hexadecimal and octal number systems.

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Area Calculator

Calculate the area of common shapes including circles, rectangles, and triangles.

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Trigonometry Calculator

Compute sine, cosine, tangent and other trigonometric functions.

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Percentile Calculator

Find the percentile rank of a value in a dataset.

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LCM & GCF Calculator

Find the Least Common Multiple and Greatest Common Factor of two or more numbers.

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Probability Calculator

Calculate probabilities for single and multiple events.

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Logarithm Calculator

Compute logarithms with any base, including natural log and log base 10.

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Volume Calculator

Calculate the volume of 3D shapes including spheres, cylinders and cones.

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Prime Factorization Calculator

Find all prime factors of any integer using prime factorization.

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Random Number Generator

Generate random numbers within a custom range instantly.

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BMI Calculator

Calculate your Body Mass Index and find out if you are underweight, normal, overweight or obese.

🎂

Age Calculator

Calculate your exact age in years, months and days from your date of birth.

🍎

Calorie Calculator

Calculate your daily calorie needs based on age, gender, weight, height and activity level.

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TDEE Calculator

Calculate your Total Daily Energy Expenditure to know how many calories you burn.

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Ideal Weight Calculator

Find your ideal body weight based on your height, gender and frame size.

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Pace Calculator

Calculate your running pace, time and distance for races and training.

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Body Fat Calculator

Estimate your body fat percentage using the US Navy method or BMI method.

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Bra Size Calculator

Find your correct bra size with US, UK and EU sizing charts.

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Protein Calculator

Calculate your daily protein intake requirements based on your weight and goals.

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Macro Calculator

Calculate your macronutrient targets for your diet goals.

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Weight Loss Calculator

Calculate how long it will take to reach your weight loss goal.

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Heart Rate Zone Calculator

Find your target heart rate zones for fat burning, cardio and peak performance.

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Water Intake Calculator

Calculate your daily water intake needs based on your weight and activity level.

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Calories Burned Calculator

Calculate calories burned during various exercises and activities.

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Pregnancy Due Date Calculator

Calculate your pregnancy due date from last menstrual period or conception date.

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Sleep Calculator

Find the best times to wake up or go to sleep based on your sleep cycles.

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Mortgage Calculator

Calculate your monthly mortgage payment, total interest, and amortization schedule.

🏠

Loan Calculator

Calculate monthly loan payments, total interest and full repayment schedule.

💵

EMI Calculator

Calculate Equated Monthly Installment for home, car or personal loans.

📈

Compound Interest Calculator

Calculate compound interest and see how your investment grows over time.

💱

Currency Converter

Convert between world currencies with up-to-date exchange rates.

💼

Salary Calculator

Convert annual salary to hourly, weekly, bi-weekly and monthly pay.

🧾

Tax Calculator

Estimate your income tax liability and effective tax rate.

🏦

Recurring Deposit Calculator

Calculate maturity amount and interest earned on recurring deposits.

📈

Investment Calculator

Calculate the future value of your investments with compound returns.

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Simple Interest Calculator

Calculate simple interest on loans and deposits.

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Retirement Calculator

Plan your retirement by calculating how much you need to save.

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Monthly Payment Calculator

Calculate monthly payment amounts for any loan or financing.

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Stamp Duty Calculator

Calculate stamp duty and land tax on property purchases.

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GST Calculator

Add or remove GST from a price and calculate total tax amount.

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Tip Calculator

Calculate tip amount and split the bill between multiple people.

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Savings Calculator

Calculate how your savings will grow with regular contributions and interest.

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Amortization Calculator

View the full amortization schedule for any loan.

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VAT Calculator

Add or remove VAT from a price. Calculate inclusive and exclusive VAT.

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Budget Calculator

Create a personal budget and track your income vs expenses.

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Profit Margin Calculator

Calculate gross profit, net profit and profit margin percentages.

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HELOC Payment Calculator

Calculate monthly payments on a Home Equity Line of Credit.

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Down Payment Calculator

Calculate down payment amount and see how it affects your monthly mortgage.

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Annuity Calculator

Calculate the present and future value of annuities.

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Student Loan Calculator

Calculate student loan payments and total interest over the repayment period.

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VA Loan Calculator

Calculate VA loan payments including the VA funding fee.

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Refinance Calculator

Determine if refinancing your mortgage will save you money.

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Buy-to-Let Mortgage Calculator

Calculate buy-to-let mortgage payments and rental yield.

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Novated Lease Calculator

Calculate novated lease payments and potential tax savings.

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Car Depreciation Calculator

Estimate how much your car will depreciate in value over time.

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Inflation Calculator

Calculate the effect of inflation on purchasing power over time.

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Length Converter

Convert between meters, feet, inches, kilometers, miles and all length units.

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Unit Converter

Convert between all common units of measurement in one place.

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Weight Converter

Convert between kilograms, pounds, ounces, grams and other weight units.

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Temperature Converter

Convert between Celsius, Fahrenheit and Kelvin temperature scales.

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Area Unit Converter

Convert between square meters, acres, hectares, square feet and all area units.

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Volume Unit Converter

Convert between liters, gallons, cups, fluid ounces and all volume units.

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Data Size Converter

Convert between bytes, KB, MB, GB, TB and other data storage units.

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Speed Converter

Convert between km/h, mph, m/s, knots and other speed units.

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Date Calculator

Add or subtract days, weeks, months and years from any date.

📆

Days Between Dates

Calculate the exact number of days, weeks and months between two dates.

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Time Calculator

Add and subtract time values in hours, minutes and seconds.

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Week Number Calculator

Find the ISO week number of any date, or find dates by week number.

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Time Zone Converter

Convert times between time zones around the world.

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Countdown Calculator

Count down to any future date or event.

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Concrete Calculator

Calculate how many cubic yards or meters of concrete you need.

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Square Footage Calculator

Calculate square footage of any room or area.

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Gravel / Mulch Calculator

Calculate how much gravel, sand, or mulch you need for a project.

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Paint Calculator

Calculate how many gallons of paint you need for walls, ceilings or fences.

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Asphalt Calculator

Calculate the amount of asphalt needed for driveways and roads.

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Brick Calculator

Calculate how many bricks you need for any wall or construction project.

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Roofing Calculator

Calculate the number of shingles and roofing materials needed.

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Flooring / Tile Calculator

Calculate how many tiles, planks or boxes of flooring you need.

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Fence Calculator

Calculate fence materials including posts, rails and pickets needed.

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Deck Calculator

Calculate deck boards, posts, and materials for your deck project.

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Pool Volume Calculator

Calculate swimming pool volume in gallons or liters.

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GPA Calculator

Calculate your GPA from your course grades and credit hours.

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Grade Calculator

Calculate your final grade or what score you need to pass.

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Test Score / Percentile Calculator

Convert raw test scores to percentiles and letter grades.

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Reading Speed Calculator

Calculate your reading speed in words per minute and comprehension level.

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Freight Class Calculator

Determine NMFC freight class based on weight and dimensions.

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Electricity Cost Calculator

Calculate electricity costs for appliances and monthly energy bills.

☀️

Solar Panel Calculator

Calculate how many solar panels you need and estimate energy savings.

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Carbon Footprint Calculator

Estimate your carbon footprint from travel, home energy and lifestyle.

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Wind Chill / Heat Index Calculator

Calculate the apparent temperature based on wind chill or heat index.