Free Online Calculators · 195+ calculators for finance, health, math and daily needs — all free, no sign-up.
Calculate your monthly mortgage payment, total interest and full amortization schedule.
→Calculate monthly payments and total repayment for any personal loan.
→Calculate car loan payments, interest and amortization for your vehicle.
→Calculate simple and compound interest on any principal amount.
→See how your money grows with compound interest over time.
→Calculate simple interest earned on a principal amount.
→Project the future value of your investments with regular contributions.
→Calculate how much you need to save for a comfortable retirement.
→Convert gross salary to net and see all deductions.
→Calculate VAT-inclusive and VAT-exclusive amounts instantly.
→Calculate discounted price and total savings on any purchase.
→Find the final price after a percentage discount.
→Calculate tip amount and split the bill per person.
→See how long it takes to pay off your credit card balance.
→Calculate your payoff time and total interest on credit card debt.
→Generate a full loan amortization schedule with monthly breakdown.
→Build a month-by-month mortgage amortization schedule.
→See how inflation erodes the purchasing power of your money.
→Convert between currencies using any exchange rate.
→Calculate rental income, yield and annual return on property.
→Compare the cost of renting versus buying a home.
→Calculate your new rent after a percentage increase.
→Calculate sales commission and net earnings.
→Calculate profit and profit margin from cost and selling price.
→Calculate asset depreciation using multiple methods.
→Find the down payment and monthly payment needed to buy a home.
→Calculate the future value of a present investment.
→Find the present value of a future sum of money.
→Calculate return on investment as a percentage.
→Calculate the monthly savings needed to reach a goal.
→Calculate the compound annual growth rate of an investment.
→Project your retirement fund and government contributions.
→Estimate income tax based on tax brackets.
→Calculate net return on an investment property.
→Find the home price you can afford based on your income.
→Calculate FHA-backed mortgage payments.
→Calculate VA (veteran) mortgage payments.
→See how much you can save by refinancing your loan.
→Calculate savings from restructuring your existing loan.
→Calculate student loan payments and total cost.
→Calculate bond price and yield.
→Calculate maturity value of a certificate of deposit.
→Calculate annuity payments and present value.
→Calculate periodic annuity payout amounts.
→Project your individual retirement account balance.
→Project your Roth IRA retirement savings.
→Project your 401(k) retirement balance.
→See how much you save by consolidating your debts.
→Build a plan to pay off your debts.
→Calculate your debt-to-income (DTI) ratio.
→Calculate total price with any sales tax rate.
→Calculate sales tax and total cost of a purchase.
→Calculate the effective interest rate of a loan.
→Calculate annual percentage yield (APY).
→Calculate core financial formulas in one place.
→Calculate the total cost of owning a car.
→Calculate car lease payments.
→Calculate lease payments for any asset.
→Calculate business loan payments.
→Calculate boat loan payments and total cost.
→Compare cash back against a lower interest rate.
→Estimate property tax on real estate.
→Calculate real estate investment returns.
→Calculate your Body Mass Index from height and weight.
→Calculate your basal metabolic rate (calories at rest).
→Calculate your daily calorie needs based on your goal.
→Calculate total daily energy expenditure.
→Estimate your body fat percentage from measurements.
→Find your ideal weight range based on height.
→Calculate your healthy weight range.
→Calculate your lean (fat-free) body mass.
→Calculate your body surface area.
→Calculate your daily protein, carb and fat needs.
→Calculate your daily protein requirement.
→Calculate your daily carbohydrate requirement.
→Calculate your daily fat requirement.
→Estimate calories burned during activity.
→Calculate your target heart rate zone for exercise.
→Calculate your pregnancy week and due date.
→Calculate your estimated due date from your last period.
→Track your pregnancy week by week.
→Calculate your ovulation day and fertile window.
→Track your menstrual cycle and next period.
→Calculate recommended weight gain during pregnancy.
→Predict your child's adult height from parents' heights.
→Estimate your blood alcohol concentration.
→Calculate body fat using military standards.
→Estimate kidney function (glomerular filtration rate).
→Calculate your running pace and speed.
→Calculate your one-rep maximum (1RM).
→Find ideal sleep and wake times using sleep cycles.
→Calculate percentages quickly and accurately.
→Add, subtract, multiply and divide fractions.
→Calculate the arithmetic mean of any set of numbers.
→Calculate standard deviation and variance of a data set.
→Calculate any number raised to a power.
→Calculate square, cube and nth roots.
→Calculate natural and common logarithms.
→Find the greatest common factor of two numbers.
→Find the least common multiple of two numbers.
→List all common factors of two numbers.
→Break a number into its factors.
→Find the prime factors of any number.
→Calculate with and convert binary numbers.
→Calculate with and convert hexadecimal numbers.
→Perform precise arithmetic on very large numbers.
→Solve long division step by step.
→Full scientific calculator with trig, log and more.
→Calculate the area of rectangles, triangles, circles and more.
→Calculate the perimeter of common shapes.
→Calculate the volume of cubes, cylinders, spheres and more.
→Calculate the surface area of 3D shapes.
→Calculate a circle's area, circumference and radius.
→Calculate triangle sides, angles and area.
→Calculate the sides of a right triangle.
→Calculate the slope between two points.
→Calculate the distance between two points.
→Calculate density from mass and volume.
→Calculate the half-life of a substance.
→Calculate a statistical confidence interval.
→Calculate mean, median and mode of a data set.
→Calculate permutations and combinations.
→Calculate event probabilities.
→Round numbers to any decimal place.
→Convert numbers to and from scientific notation.
→Generate random numbers in any range.
→Calculate your exact age from your date of birth.
→Calculate the difference between two dates.
→Count the days until or since a date.
→Find the weekday of any date.
→Calculate the difference between two times.
→Calculate your work hours and pay.
→Calculate the duration between two times.
→Calculate your grade point average.
→Calculate your final grade and passing status.
→Convert length, weight, temperature and more.
→Calculate the fuel cost of any trip.
→Calculate fuel consumption (L/100km or MPG).
→Estimate the cost of running an appliance.
→Calculate the concrete volume needed for a project.
→Calculate area in square meters or square feet.
→Generate strong, random passwords.
→Calculate subnet and address range from an IP.
→Calculate data transfer time and bandwidth.
→Calculate speed, distance and time relationships.
→Convert between kilograms, pounds and more.
→Convert between meters, inches, feet and more.
→Convert between Celsius, Fahrenheit and Kelvin.
→Calculate percentage error of a measurement.
→Calculate the ratio between two numbers.
→Convert numbers to and from Roman numerals.
→Encode and decode text with Base64.
→Encode and decode URLs.
→Roll virtual dice.
→Calculate love compatibility from names.
→Calculate your retirement age and time remaining.
→Estimate the total cost of college education.
→Solve quadratic equations and find roots.
→Add, multiply and find determinants of matrices.
→Calculate core statistical values.
→Calculate statistical p-values.
→Calculate the z-score of a data point.
→Calculate resistor color codes and values.
→Calculate voltage, current, resistance and power.
→Calculate voltage drop in a cable.
→Calculate engine horsepower.
→Convert between kW and horsepower.
→Calculate the BTU needed to heat or cool a room.
→Calculate the dew point from temperature and humidity.
→Calculate the felt (heat index) temperature.
→Calculate the wind chill temperature.
→Calculate the gravel volume needed for a project.
→Calculate roof area and materials needed.
→Calculate stair dimensions and step count.
→Calculate the number of tiles needed.
→Calculate solution molarity.
→Calculate the molecular weight of a compound.
→Calculate arithmetic and geometric sequences.
→Calculate the payback period of an investment.
→Calculate profit from cost and selling price.
→Calculate required minimum distributions.
→Calculate mutual fund returns.
→Estimate your social security benefits.
→Convert shoe sizes between systems.
→Calculate tire dimensions.
→Calculate your golf handicap.
→A fun marriage compatibility calculator.
→Calculate travel time from distance and speed.
→Calculate the sample size needed for a survey.
→Determine your body type from measurements.
→Calculate your bra size.
→Calculate your daily water requirement.
→Assess your height and weight status.
→Convert times between time zones.
→Calculate percentage change between two values.
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