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Calculator.net hosts 203 online calculators for various financial and practical needs, including rent, cash back, auto lease, average return, payback period, and annuity payout calculations.
Two free calculators estimate the number of BTUs needed to cool or heat a room or house based on its size, insulation...
This free big number calculator can perform calculations involving very large integers or decimals at a high level of...
This free density calculator determines any of the three variables in the density equation given the other two.
This free dew point calculator calculates dew point, relative humidity, or air temperature if given any of the other ...
Online virtual dice roller that is capable of simultaneously rolling up to 100 dice randomly. A virtual dice roller w...
Free calculators to compute the distance between two coordinates on a 2D plane or 3D space. Distance calculators for ...
Free electricity calculator to estimate electricity usage as well as cost based on the power requirements and usage o...
This free engine horsepower calculator estimates vehicle engine horsepower using two different methods: the elapsed t...
This free exponent calculator determines the result of exponentiation, including expressions that use the irrational ...
This free GDP calculator computes GDP using both the expenditure approach as well as the resource cost-income approach.
This free gas mileage calculator estimates gas mileage based on odometer readings, gas price per gallon, and the amou...
Two free calculators for computing a golf player's course handicap and the player's World Handicap System (WHS) handi...
This calculator estimates heat index temperature felt by the human body based on the actual measured air temperature ...
This free height calculator predicts a child's adult height based on linear regression analysis. It can also convert ...
This free log calculator solves for the unknown portions of a logarithmic expression using base e, 2, 10, or any othe...
This free calculator evaluates compatibility based on two names, returning a score from 0% to 100%, with a higher sco...
This free mass calculator calculates mass, given density and volume, using various standard units of measurement.
This calculator determines the mean, median, mode, and range of a given data set. Also, learn more about these statis...
This mileage calculator estimates the number of driving miles between two locations in the United States.
This free Ohm's Law calculator solves for any of the variables in the Ohm's Law equation using various units of measu...
This free calculator can compute the number of possible permutations and combinations when selecting r elements from ...
Pythagorean Theorem calculator to find out the unknown length of a right triangle. It can provide the calculation ste...
This resistor calculator converts the ohm value and tolerance based on resistor color codes and determines the resist...
This free root calculator determines the roots of numbers, including common roots such as a square root or a cubed root.
Free tool to round numbers to thousands, hundreds, tens, tenths, hundredths, fractions, or many other levels of preci...
This is an online scientific calculator with double-digit precision that supports both button click and keyboard type.
Calculator to compute the time to wake up or go to bed based on sleep cycle or duration of sleep required. Also learn...
This slope calculator solves for parameters involving slope and the equation of a line. It takes inputs of two known ...
This statistics calculator computes a number of common statistical values including standard deviation, mean, sum, ge...
Free calculator to find out the real APR of a loan, considering all the fees and extra charges. There is also a versi...
This amortization calculator returns monthly payment amounts as well as displays a schedule, graph, and pie chart bre...
Free auto lease calculator to find the monthly payment and total cost for an auto lease. It also compares the cost of...
Free auto loan calculator to determine the monthly payment and total cost of an auto loan, while accounting for sales...
This calculator computes body fat percentage using methods from the Army Body Fat Assessment of the Army Body Composi...
Free Body Mass Index calculator gives out the BMI value and categorizes BMI based on provided information from WHO an...
This free BMI calculator accepts child ages (starting at age 2) and sex, so it works for young kids including boys an...
This free BMI calculator supports male/female selection, multiple unit systems, and instant BMI classification. It in...
Free 401K calculator to plan and estimate a 401K balance and payout amount in retirement or help with early withdrawa...
Free annuity payout calculator to find the payout amount based on fixed-length or to find the length the fund can las...
Free calculator to find the total interest, end balance, and the growth chart of a Certificate of Deposit with the op...
Free IRA calculator to estimate growth, tax savings, total return, and balance at retirement of Traditional, Roth IRA...
Free annuity calculator to forecast the growth of an annuity with optional annual or monthly additions using either a...
Free calculator to find the average return of an investment considering all deposits and withdrawals or the average r...
Free calculator to compute various parameters of a bond. It also provides the price and accrued interest for bonds no...
Free compound interest calculator to convert and compare interest rates of different compounding periods, or to gain ...
This free age calculator computes age in terms of years, months, weeks, days, hours, minutes, and seconds, given a da...
This calculator estimates bra size based on bust size, frame size, and common measurement standards. Also, convert br...
This free date calculator computes the difference between two dates. It can also add to or subtract from a date. Both...
Free day counter to calculate the number of days between two dates, including the number of working days, weekends, a...
Detailed free budget calculator to plan personal finances with Debt-to-Income (DTI) ratio and expense breakdown. Also...
Free calculator to evaluate the options of either cash back or low interest offers when buying a car and to learn mor...
Free calculator to estimate how much college will cost in the U.S. using either the latest average college cost data ...
Free currency calculator to convert between most of the global currencies using live or custom exchange rates. Also, ...
This free binary calculator can add, subtract, multiply, and divide binary values, as well as convert between binary ...
This free factor calculator computes the factors and prime factors of a given integer.
This free GCF calculator determines the greatest common factor of a given set of numbers. Also, learn more about seve...
This free hex calculator can add, subtract, multiply, and divide hexadecimal values, as well as convert between hexad...
The BMR calculator estimates basal energy expenditure from age, sex, height, and weight, with selectable formulas inc...
This calorie calculator estimates the number of calories needed each day to maintain, lose, or gain weight. Learn the...
This free carbohydrate calculator estimates a range of daily carbohydrate requirements based on factors such as daily...
This free fat intake calculator estimates the amount of dietary fat a person should consume daily based on age, heigh...
This calculator can convert between units of bandwidth, estimate download or upload times, as well as estimate the ba...
This weekday calculator can find the day of the week of any date. It also gives out a few fun facts as well as the ca...
This GPA calculator computes GPA and generates a report based on course credits and the achieved grade. It accepts bo...
This free grade calculator can calculate a weighted average grade. It accepts both numerical as well as letter grades.
This free conception calculator estimates possible as well as most likely dates of conception, and their correspondin...
This free due date calculator estimates the due date based on the menstrual cycle, ultrasound, conception date, or IV...
This free ovulation calculator provides estimates of a person's possible ovulation windows and corresponding due date...
This free calculator estimates days in the future during which a person is expected to undergo their period, based on...
This area calculator determines the area of a number of common shapes, including rectangle, triangle, trapezoid, circ...
This calculator computes the values of typical circle parameters such as radius, diameter, circumference, and area, u...
Right triangle calculator to compute side length, angle, height, area, and perimeter of a right triangle given any 2 ...
This calculator computes the surface area of a number of common shapes, including sphere, cone, cube, cylinder, capsu...
This free auto loan calculator supports price, loan term, APR, cash incentives, down payment, trade-in, taxes/fees, a...
Free boat loan calculator to determine the monthly payment and total cost of a boat loan, while accounting for sales ...
This free fuel cost calculator estimates the fuel cost of a trip based on fuel efficiency, distance, and gas price us...
This free calculator determines horsepower as a unit of power given force, distance, and time. Also provided is a con...
This free concrete calculator estimates the amount of concrete necessary for a project and can account for different ...
This free gravel calculator estimates the amount of gravel needed to cover an area. It can also estimate the cost.
This free roofing calculator estimates the area of a roof and the number of materials required to replace or build th...
This free calculator estimates the square footage of a property and can account for various common lot shapes.
Calculator to compute the confidence interval or margin of error of a sample based on the desired confidence level. I...
This calculator can calculate the probability of two events, as well as that of a normal distribution. Also, learn mo...
Two free random number generators that work in user-defined min and max range. Both random integers and decimal numbe...
This free sample size calculator determines the sample size required to meet a given set of constraints. Also, learn ...
Its Grade Calculator computes weighted averages from percentage or letter inputs using per-item weights. This matches...
This free fraction calculator supports fraction addition, subtraction, multiplication, division, and conversion.
This free percent error calculator computes the percentage error between an observed value and the true value of a me...
This free percentage calculator computes a number of values involving percentages, including the percentage differenc...
Free credit card calculator to find the time it will take to pay off a balance, or the amount necessary to pay it off...
Free credit card payoff calculator for finding the best way to pay off multiple credit cards and estimating the lengt...
Free debt consolidation calculator to evaluate the consolidation of debts such as credit cards debts, auto loans, or ...
Free calculator for finding the best way to pay off multiple debts such as those related to credit cards, auto loans,...
Free estate tax calculator to estimate federal estate tax in the U.S. Also gain in-depth knowledge on estate tax and ...
Free online income tax calculator to estimate U.S federal tax refund or owed amount for both salary earners and indep...
Free calculator to estimate the financial consequences of marriage to the participant individuals in terms of U.S. fe...
Free calculator to find the sales tax amount/rate, before tax price, and after-tax price. Also, check the sales tax r...
This free Body Surface Area calculator estimates BSA from height and weight and returns results from multiple common ...
This body surface area calculator estimates the surface area of a person's body based on body weight and height. It c...
This GFR calculator estimates the glomerular filtration rate for both adults and children based on serum creatinine v...
Its One Rep Max Calculator estimates your 1RM from lifted weight and reps using common strength formulas. The tool al...
Free calculator to estimate the number of calories burned during routine daily activities or a workout based on activ...
This free calculator estimates a person's one rep max (1RM) based on the number of repetitions they can perform with ...
Free calculator to compute simple percentage commission, tiered commission, or commission that includes a base amount.
A free calculator to convert a salary between its hourly, biweekly, monthly, and annual amounts. Adjustments are made...
Free calculator to find the actual paycheck amount taken home after taxes and deductions from salary, or to learn mor...
This calculator computes any of the values in the half-life formula given the rest values. It also converts between h...
This free molarity calculator determines any of the four variables in the molarity equation, given the other three.
This molecular weight calculator can determine the molecular weight or molar mass of a molecule based on its formula ...
Free business loan calculator that deals with complex repayment options and returns real APR/cost of a business or SB...
Calculator.net’s BMI Calculator accepts ages 2–120 and includes child/teen BMI interpretation references for ages 2–2...
Free calculator to help optimize pension payout or planning. Considers the effects of a lump sum or monthly payouts, ...
Free calculator to find the future value and display a growth chart of a present amount or periodic deposits.
This hours calculator computes the number of hours and minutes between two times. A full version can calculate the ho...
Online calculator to determine the final price after discount, the amount saved, or the original price before discoun...
This free LCM calculator determines the least common multiple of a given set of numbers. Also, learn more about the d...
This macro calculator estimates the macronutrient needs of a person based on their age, physical characteristics, act...
This IP subnet calculator covers both IPv4 and IPv6 protocols, providing information such as IP address, network addr...
This calculator provides an estimated pregnancy schedule based on the due date, last period date, ultrasound date, co...
This free triangle calculator computes the edges, angles, area, height, perimeter, median, as well as other values an...
This free speed calculator computes any of the three variables in the speed distance time equation given the other two.
This stair calculator computes stair parameters such as rise, total run, angle, and stringer length based on the heig...
This free standard deviation calculator computes the standard deviation, variance, mean, sum, and error margin of a g...
This ratio calculator solves ratios, scales ratios, or finds the missing value in a set of ratios. It can also give o...
Free calculator to find both the front end and back end Debt-to-Income (DTI) ratio for personal finance use. It can a...
Free VAT (value-added tax) calculator to find any value of the net before VAT tax amount, tax price, VAT tax rate, an...