Calculator.net
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.
Math & Numbers(29)
BTU Calculator
Two free calculators estimate the number of BTUs needed to cool or heat a room or house based on its size, insulation...
Big Number Calculator
This free big number calculator can perform calculations involving very large integers or decimals at a high level of...
Density Calculator
This free density calculator determines any of the three variables in the density equation given the other two.
Dew Point Calculator
This free dew point calculator calculates dew point, relative humidity, or air temperature if given any of the other ...
Dice Roller
Online virtual dice roller that is capable of simultaneously rolling up to 100 dice randomly. A virtual dice roller w...
Distance Calculator
Free calculators to compute the distance between two coordinates on a 2D plane or 3D space. Distance calculators for ...
Electricity Calculator
Free electricity calculator to estimate electricity usage as well as cost based on the power requirements and usage o...
Engine Horsepower Calculator
This free engine horsepower calculator estimates vehicle engine horsepower using two different methods: the elapsed t...
Exponent Calculator
This free exponent calculator determines the result of exponentiation, including expressions that use the irrational ...
GDP Calculator
This free GDP calculator computes GDP using both the expenditure approach as well as the resource cost-income approach.
Gas Mileage Calculator
This free gas mileage calculator estimates gas mileage based on odometer readings, gas price per gallon, and the amou...
Golf Handicap Calculator
Two free calculators for computing a golf player's course handicap and the player's World Handicap System (WHS) handi...
Heat Index Calculator
This calculator estimates heat index temperature felt by the human body based on the actual measured air temperature ...
Height Calculator
This free height calculator predicts a child's adult height based on linear regression analysis. It can also convert ...
Log Calculator
This free log calculator solves for the unknown portions of a logarithmic expression using base e, 2, 10, or any othe...
Love Calculator
This free calculator evaluates compatibility based on two names, returning a score from 0% to 100%, with a higher sco...
Mass Calculator
This free mass calculator calculates mass, given density and volume, using various standard units of measurement.
Mean, Median, Mode, Range Calculator
This calculator determines the mean, median, mode, and range of a given data set. Also, learn more about these statis...
Mileage Calculator
This mileage calculator estimates the number of driving miles between two locations in the United States.
Ohms Law Calculator
This free Ohm's Law calculator solves for any of the variables in the Ohm's Law equation using various units of measu...
Permutation and Combination Calculator
This free calculator can compute the number of possible permutations and combinations when selecting r elements from ...
Pythagorean Theorem Calculator
Pythagorean Theorem calculator to find out the unknown length of a right triangle. It can provide the calculation ste...
Resistor Calculator
This resistor calculator converts the ohm value and tolerance based on resistor color codes and determines the resist...
Root Calculator
This free root calculator determines the roots of numbers, including common roots such as a square root or a cubed root.
Rounding Calculator
Free tool to round numbers to thousands, hundreds, tens, tenths, hundredths, fractions, or many other levels of preci...
Scientific Calculator
This is an online scientific calculator with double-digit precision that supports both button click and keyboard type.
Sleep Calculator
Calculator to compute the time to wake up or go to bed based on sleep cycle or duration of sleep required. Also learn...
Slope Calculator
This slope calculator solves for parameters involving slope and the equation of a line. It takes inputs of two known ...
Statistics Calculator
This statistics calculator computes a number of common statistical values including standard deviation, mean, sum, ge...
Loans & Mortgages(21)
APR Calculator
Free calculator to find out the real APR of a loan, considering all the fees and extra charges. There is also a versi...
Amortization Calculator
This amortization calculator returns monthly payment amounts as well as displays a schedule, graph, and pie chart bre...
Auto Lease Calculator
Free auto lease calculator to find the monthly payment and total cost for an auto lease. It also compares the cost of...
Auto Loan Calculator
Free auto loan calculator to determine the monthly payment and total cost of an auto loan, while accounting for sales...
Business Loan Calculator
Free business loan calculator that deals with complex repayment options and returns real APR/cost of a business or SB...
Down Payment Calculator
Free down payment calculator to find the amount of upfront cash needed, down payment percentage, or an affordable hom...
FHA Loan Calculator
Free FHA loan calculator to find the monthly payment, total interest, and amortization details of an FHA loan, or lea...
HELOC Calculator
Free calculator that finds the HELOC amount you can borrow, along with the monthly payment, interest, total cost, and...
Home Equity Loan Calculator
Free calculator that finds the home equity loan amount you can borrow, along with the monthly payment, interest, tota...
House Affordability Calculator
Free house affordability calculator to estimate an affordable house price based on factors such as income, debt, down...
Interest Rate Calculator
Free online calculator to find the interest rate as well as the total interest cost of an amortized loan with a fixed...
Lease Calculator
Free lease calculator to find the monthly payment or effective interest rate as well as interest cost of a lease. Als...
Loan Calculator
Free loan calculator to find the repayment plan, interest cost, and amortization schedule of conventional amortized l...
Mortgage Calculator
Free mortgage calculator to find monthly payment, total home ownership cost, and amortization schedule with options f...
Mortgage Payoff Calculator
Free mortgage payoff calculator to evaluate options to pay off a mortgage earlier, such as extra payments, bi-weekly ...
Payment Calculator
Free payment calculator to find monthly payment amount or time period to pay off a loan using a fixed term or a fixed...
Personal Loan Calculator
Free personal loan calculator that returns the monthly payment, real loan cost, and the APR after considering the fee...
Refinance Calculator
Free calculator to plan the refinancing of loans by comparing existing and refinanced loans side by side, with option...
Repayment Calculator
Free repayment calculator to find different ways to repay a loan, based on compounding periods, payment frequency, an...
Student Loan Calculator
Free calculator to evaluate student loans by estimating the interest cost, helping to understand the balance, and eva...
VA Mortgage Calculator
Free VA mortgage calculator to find the monthly payment, total interest, funding fee, and amortization details of a V...
Body Metrics & Fitness(18)
Army Body Fat Calculator
This calculator computes body fat percentage using methods from the Army Body Fat Assessment of the Army Body Composi...
BMI Calculator
Free Body Mass Index calculator gives out the BMI value and categorizes BMI based on provided information from WHO an...
BMI Calculator for Kids
This free BMI calculator accepts child ages (starting at age 2) and sex, so it works for young kids including boys an...
BMI Calculator for Men
This free BMI calculator supports male/female selection, multiple unit systems, and instant BMI classification. It in...
BMI Calculator for Teens
Calculator.net’s BMI Calculator accepts ages 2–120 and includes child/teen BMI interpretation references for ages 2–2...
BMI Calculator for Women
This free BMI calculator supports US and metric units and includes sex selection (male/female), BMI category output, ...
BMI Calculator – Body Mass Index
Calculator.net provides a free BMI calculator with U.S., metric, and additional unit options. It outputs BMI status, ...
BMI Percentile Calculator
Its BMI calculator supports children and teens (age 2-20) and interprets results using BMI-for-age percentile categor...
BMI Weight Loss Calculator
Its BMI Calculator is free to use and provides BMI category plus a healthy weight range for your height. You can use ...
BMR Calculator
This free BMR calculator estimates basal metabolic rate based on well-known formulas. Also, learn more about variable...
BMR Calculator (Basal Metabolic Rate, Mifflin St Jeor Equation)
This free BMR calculator estimates calories burned at complete rest and includes activity-based daily calorie estimat...
Body Fat Calculator
This free body fat calculator estimates body fat percentage based on the U.S. Navy Method and the BMI method. It give...
Body Type Calculator
This free body type calculator estimates body type based on provided measurements of bust, waist, and hip size, and t...
Healthy Weight Calculator
This calculator estimates a healthy body weight range based on body mass index. Also, learn more about the effects of...
Ideal Weight Calculator
This free ideal weight calculator estimates ideal healthy bodyweight based on age, gender, and height based on severa...
Lean Body Mass Calculator
This free lean body mass (LBM) calculator estimates LBM based on body weight, height, age, and gender. It compares th...
Pace Calculator
This free pace calculator computes pace, time, and distance, given values for two of the variables. It can also be us...
Target Heart Rate Calculator
This free calculator calculates the target heart rate range for maximizing exercise benefit based on age and resting ...
Retirement & Savings(10)
401K Calculator
Free 401K calculator to plan and estimate a 401K balance and payout amount in retirement or help with early withdrawa...
Annuity Payout Calculator
Free annuity payout calculator to find the payout amount based on fixed-length or to find the length the fund can las...
CD Calculator
Free calculator to find the total interest, end balance, and the growth chart of a Certificate of Deposit with the op...
IRA Calculator
Free IRA calculator to estimate growth, tax savings, total return, and balance at retirement of Traditional, Roth IRA...
Pension Calculator
Free calculator to help optimize pension payout or planning. Considers the effects of a lump sum or monthly payouts, ...
RMD Calculator
This calculator computes the Required Minimum Distribution (RMD) of your retirement accounts. It also predicts future...
Retirement Calculator
Free calculators that help with retirement planning with inflation, social security, life expectancy, and many more f...
Roth IRA Calculator
Free Roth IRA calculator to estimate growth, tax savings, total return, and balance at retirement with the option to ...
Savings Calculator
Free calculator to find out the balance and interest of a savings account while accounting for tax, periodic contribu...
Social Security Calculator
Free Social Security calculator to find the best age to start SS benefits, or to compare the differences between star...
Investing & Markets(10)
Annuity Calculator
Free annuity calculator to forecast the growth of an annuity with optional annual or monthly additions using either a...
Average Return Calculator
Free calculator to find the average return of an investment considering all deposits and withdrawals or the average r...
Bond Calculator
Free calculator to compute various parameters of a bond. It also provides the price and accrued interest for bonds no...
Compound Interest Calculator
Free compound interest calculator to convert and compare interest rates of different compounding periods, or to gain ...
Future Value Calculator
Free calculator to find the future value and display a growth chart of a present amount or periodic deposits.
Investment Calculator
Free investment calculator to evaluate various investment situations considering starting and ending balance, contrib...
Mutual Fund Calculator
Free calculator to estimate the ending balance and net return of mutual funds. It can also calculate the IRR after ac...
Present Value Calculator
Free financial calculator to find the present value of a future amount or a stream of annuity payments.
ROI Calculator
Free return on investment (ROI) calculator that returns total ROI rate and annualized ROI using either actual dates o...
Simple Interest Calculator
This calculator computes the simple interest and end balance of a savings or investment account. It also calculates t...
Everyday Tools(9)
Age Calculator
This free age calculator computes age in terms of years, months, weeks, days, hours, minutes, and seconds, given a da...
Bra Size Calculator
This calculator estimates bra size based on bust size, frame size, and common measurement standards. Also, convert br...
Date Calculator
This free date calculator computes the difference between two dates. It can also add to or subtract from a date. Both...
Day Counter
Free day counter to calculate the number of days between two dates, including the number of working days, weekends, a...
Hours Calculator
This hours calculator computes the number of hours and minutes between two times. A full version can calculate the ho...
Shoe Size Conversion
This free tool converts between shoe sizes used in the U.S., Canada, UK, India, EU, Japan, Mexico, and China and can ...
Time Calculator
This free time calculator can add or subtract time values in terms of number of days, hours, minutes, or seconds. Als...
Time Card Calculator
This free time card calculator generates weekly time reports based on provided work times and hourly rates. It can ac...
Time Duration Calculator
Free calculator to get the number of hours, minutes, and seconds between two times. Also, a full version to calculate...
Personal Finance(9)
Budget Calculator
Detailed free budget calculator to plan personal finances with Debt-to-Income (DTI) ratio and expense breakdown. Also...
Cash Back or Low Interest Calculator
Free calculator to evaluate the options of either cash back or low interest offers when buying a car and to learn mor...
College Cost Calculator
Free calculator to estimate how much college will cost in the U.S. using either the latest average college cost data ...
Currency Calculator
Free currency calculator to convert between most of the global currencies using live or custom exchange rates. Also, ...
Discount Calculator
Online calculator to determine the final price after discount, the amount saved, or the original price before discoun...
Finance Calculator
Free online finance calculator to find the future value (FV), compounding periods (N), interest rate (I/Y), periodic ...
Inflation Calculator
Free inflation calculator that runs on U.S. CPI data or a custom inflation rate. Also, find the historical U.S. infla...
Interest Calculator
Free compound interest calculator to find the interest, final balance, and schedule using either a fixed initial inve...
Rent Calculator
Free rent calculator to estimate the range of affordable monthly rent based on income and debt. Also, explore ideas f...
Number Theory & Sequences(8)
Binary Calculator
This free binary calculator can add, subtract, multiply, and divide binary values, as well as convert between binary ...
Factor Calculator
This free factor calculator computes the factors and prime factors of a given integer.
Greatest Common Factor Calculator
This free GCF calculator determines the greatest common factor of a given set of numbers. Also, learn more about seve...
Hex Calculator
This free hex calculator can add, subtract, multiply, and divide hexadecimal values, as well as convert between hexad...
Least Common Multiple Calculator
This free LCM calculator determines the least common multiple of a given set of numbers. Also, learn more about the d...
Number Sequence Calculator
This free number sequence calculator can determine the terms (as well as the sum of all terms) of the arithmetic, geo...
Roman Numeral Converter
This free converter converts between Arabic numbers and Roman numerals. It also converts between dates in both formats.
Scientific Notation Calculator
Online tool to convert between number formats including scientific notation, E-notation, engineering notation, and re...
Nutrition & Diet(7)
BEE Calculator
The BMR calculator estimates basal energy expenditure from age, sex, height, and weight, with selectable formulas inc...
Calorie Calculator
This calorie calculator estimates the number of calories needed each day to maintain, lose, or gain weight. Learn the...
Carbohydrate Calculator
This free carbohydrate calculator estimates a range of daily carbohydrate requirements based on factors such as daily...
Fat Intake Calculator
This free fat intake calculator estimates the amount of dietary fat a person should consume daily based on age, heigh...
Macro Calculator
This macro calculator estimates the macronutrient needs of a person based on their age, physical characteristics, act...
Protein Calculator
This free protein calculator estimates the amount of protein a person needs each day to remain healthy based on certa...
TDEE Calculator
This calculator estimates the Total Daily Energy Expenditure (TDEE) of a person based on their age, physical characte...
Miscellaneous Calculators(7)
Bandwidth Calculator
This calculator can convert between units of bandwidth, estimate download or upload times, as well as estimate the ba...
Day of the Week Calculator
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...
GPA Calculator
This GPA calculator computes GPA and generates a report based on course credits and the achieved grade. It accepts bo...
Grade Calculator
This free grade calculator can calculate a weighted average grade. It accepts both numerical as well as letter grades.
IP Subnet Calculator
This IP subnet calculator covers both IPv4 and IPv6 protocols, providing information such as IP address, network addr...
Tip Calculator
This free tip calculator computes tip amounts for various situations. It can also calculate the tip amount split betw...
Wind Chill Calculator
This calculator estimates wind chill temperature based on air temperature and wind speed. It also estimates the expos...
Pregnancy & Pediatrics(7)
Conception Calculator
This free conception calculator estimates possible as well as most likely dates of conception, and their correspondin...
Due Date Calculator
This free due date calculator estimates the due date based on the menstrual cycle, ultrasound, conception date, or IV...
Ovulation Calculator
This free ovulation calculator provides estimates of a person's possible ovulation windows and corresponding due date...
Period Calculator
This free calculator estimates days in the future during which a person is expected to undergo their period, based on...
Pregnancy Calculator
This calculator provides an estimated pregnancy schedule based on the due date, last period date, ultrasound date, co...
Pregnancy Conception Calculator
This free pregnancy conception calculator estimates a range of conception dates based on a provided due date, last pe...
Pregnancy Weight Gain Calculator
This pregnancy weight gain calculator provides a recommended weight gain schedule on a week-by-week basis based on pr...
Geometry & Shapes(6)
Area Calculator
This area calculator determines the area of a number of common shapes, including rectangle, triangle, trapezoid, circ...
Circle Calculator
This calculator computes the values of typical circle parameters such as radius, diameter, circumference, and area, u...
Right Triangle Calculator
Right triangle calculator to compute side length, angle, height, area, and perimeter of a right triangle given any 2 ...
Surface Area Calculator
This calculator computes the surface area of a number of common shapes, including sphere, cone, cube, cylinder, capsu...
Triangle Calculator
This free triangle calculator computes the edges, angles, area, height, perimeter, median, as well as other values an...
Volume Calculator
This free volume calculator computes the volumes of common shapes, including sphere, cone, cube, cylinder, capsule, c...
Transportation(6)
Auto Loan Payment Calculator
This free auto loan calculator supports price, loan term, APR, cash incentives, down payment, trade-in, taxes/fees, a...
Boat Loan Calculator
Free boat loan calculator to determine the monthly payment and total cost of a boat loan, while accounting for sales ...
Fuel Cost Calculator
This free fuel cost calculator estimates the fuel cost of a trip based on fuel efficiency, distance, and gas price us...
Horsepower Calculator
This free calculator determines horsepower as a unit of power given force, distance, and time. Also provided is a con...
Speed Calculator
This free speed calculator computes any of the three variables in the speed distance time equation given the other two.
Tire Size Calculator
Free calculator to find the dimensions of a tire based on its code. It also helps in choosing alternative tire sizes ...
Construction(6)
Concrete Calculator
This free concrete calculator estimates the amount of concrete necessary for a project and can account for different ...
Gravel Calculator
This free gravel calculator estimates the amount of gravel needed to cover an area. It can also estimate the cost.
Roofing Calculator
This free roofing calculator estimates the area of a roof and the number of materials required to replace or build th...
Square Footage Calculator
This free calculator estimates the square footage of a property and can account for various common lot shapes.
Stair Calculator
This stair calculator computes stair parameters such as rise, total run, angle, and stringer length based on the heig...
Tile Calculator
This calculator estimates the number of tiles needed to cover an area such as a floor, wall, or roof. It can also acc...
Statistics(6)
Confidence Interval Calculator
Calculator to compute the confidence interval or margin of error of a sample based on the desired confidence level. I...
Probability Calculator
This calculator can calculate the probability of two events, as well as that of a normal distribution. Also, learn mo...
Random Number Generator
Two free random number generators that work in user-defined min and max range. Both random integers and decimal numbe...
Sample Size Calculator
This free sample size calculator determines the sample size required to meet a given set of constraints. Also, learn ...
Standard Deviation Calculator
This free standard deviation calculator computes the standard deviation, variance, mean, sum, and error margin of a g...
Z-score Calculator
Calculator to find out the z-score of a normal distribution, convert between z-score and probability, and find the pr...
Fractions, Percentages & Ratios(5)
Average Percentage Calculator
Its Grade Calculator computes weighted averages from percentage or letter inputs using per-item weights. This matches...
Fraction Calculator
This free fraction calculator supports fraction addition, subtraction, multiplication, division, and conversion.
Percent Error Calculator
This free percent error calculator computes the percentage error between an observed value and the true value of a me...
Percentage Calculator
This free percentage calculator computes a number of values involving percentages, including the percentage differenc...
Ratio Calculator
This ratio calculator solves ratios, scales ratios, or finds the missing value in a set of ratios. It can also give o...
Debt & Credit(5)
Credit Card Calculator
Free credit card calculator to find the time it will take to pay off a balance, or the amount necessary to pay it off...
Credit Cards Payoff Calculator
Free credit card payoff calculator for finding the best way to pay off multiple credit cards and estimating the lengt...
Debt Consolidation Calculator
Free debt consolidation calculator to evaluate the consolidation of debts such as credit cards debts, auto loans, or ...
Debt Payoff Calculator
Free calculator for finding the best way to pay off multiple debts such as those related to credit cards, auto loans,...
Debt-to-Income Ratio Calculator
Free calculator to find both the front end and back end Debt-to-Income (DTI) ratio for personal finance use. It can a...
Tax Calculators(5)
Estate Tax Calculator
Free estate tax calculator to estimate federal estate tax in the U.S. Also gain in-depth knowledge on estate tax and ...
Income Tax Calculator
Free online income tax calculator to estimate U.S federal tax refund or owed amount for both salary earners and indep...
Marriage Tax Calculator
Free calculator to estimate the financial consequences of marriage to the participant individuals in terms of U.S. fe...
Sales Tax Calculator
Free calculator to find the sales tax amount/rate, before tax price, and after-tax price. Also, check the sales tax r...
VAT Calculator
Free VAT (value-added tax) calculator to find any value of the net before VAT tax amount, tax price, VAT tax rate, an...
Medical & Clinical(3)
BSA Calculator – Body Surface Area
This free Body Surface Area calculator estimates BSA from height and weight and returns results from multiple common ...
Body Surface Area Calculator
This body surface area calculator estimates the surface area of a person's body based on body weight and height. It c...
GFR Calculator
This GFR calculator estimates the glomerular filtration rate for both adults and children based on serum creatinine v...
Sports(3)
Bench Press Calculator - Find Your 1RM
Its One Rep Max Calculator estimates your 1RM from lifted weight and reps using common strength formulas. The tool al...
Calories Burned Calculator
Free calculator to estimate the number of calories burned during routine daily activities or a workout based on activ...
One Rep Max Calculator
This free calculator estimates a person's one rep max (1RM) based on the number of repetitions they can perform with ...
Salary & Income(3)
Commission Calculator
Free calculator to compute simple percentage commission, tiered commission, or commission that includes a base amount.
Salary Calculator
A free calculator to convert a salary between its hourly, biweekly, monthly, and annual amounts. Adjustments are made...
Take-Home-Paycheck Calculator
Free calculator to find the actual paycheck amount taken home after taxes and deductions from salary, or to learn mor...
Chemistry(3)
Half-Life Calculator
This calculator computes any of the values in the half-life formula given the rest values. It also converts between h...
Molarity Calculator
This free molarity calculator determines any of the four variables in the molarity equation, given the other three.
Molecular Weight Calculator
This molecular weight calculator can determine the molecular weight or molar mass of a molecule based on its formula ...
Housing & Real Estate(3)
Real Estate Calculator
A collection of calculators associated with real estates, such as mortgage, house affordability, refinance, FHA / VA ...
Rent vs. Buy Calculator
Free calculator to compare the financial aspects of renting vs. buying a house. The calculator accounts for interest,...
Rental Property Calculator
Free rental property calculator estimates IRR, capitalization rate, cash flow, and other financial indicators of a re...