Calculator Directory

Length Adding Calculator
The Length Adding calculator allows you to add feet and inches.


Percentage calculator
The percentage calculator allows you to find out what the amount, the percentage, the percent amount, the percent increase or the percent decrease is, if you know any of the two.
Social Distancing Calculator
We stay home! To understand why, adjust the 'Social distancing factor' slider to see the effect and impact of social distancing.

Financial

Ad Calculator
Selling ad banners has just got easier! Just enter two of the three fields of information, such as the total cost, CPM (cost per thousand impressions), and exposures (number of ads shown), and the calculator will solve the last field for you.
Bond Valuation
The purpose of this calculator is to provide calculations and details for bond valuation problems. It is assumed that all bonds pay interest semi-annually. Future versions of this calculator will allow for different interest frequency.
Car Lease
This calculator lets you calculate your estimated lease payments.
Loan calculator
Easily calculate the payments and interest amount on a loan based on the principal amount, annual interest and the number of payments with the free Loan calculator.
Loan Length Calculator
Enter how much you want to spend each month, an interest rate, and a loan amount and the calculator tells you how long it will take you to pay it off!
Miles per Gallon Calculator
This calculator allows you to compute the miles per gallon of your car via the miles travelled and the number of gallons used. Also, if you enter the cost per gallon and how many miles you drive a day, it will estimate your monthly and yearly gas expenses.
Money Counter
This calculator allows you to calculate the total amount of money you have, just enter the number of bills and coins.
Stocks vs. Bonds
How much do I keep in stocks and bonds?

Financial Home

Home Equity Calculator
Use this calculator to see how much you may be eligible to borrow.
How much house can I afford?
This calculator allows you to calculate the amount you can afford to pay for a mortgage.
Mortgage Payment
The Mortgage Payment Calculator allows you to calculate monthly payments, average monthly interest, total interest, and total payment.
Rent versus Buy Calculator
This calculator allows you to compare renting versus buying by entering how much you want to spend a month and how much down you would put into your house.
Simple Mortgage Payment Calculator
This calculator allows you to calculate monthly payment, average monthly interest, total interest, and total payment of your mortgage.

Financial Savings

How long until you are a millionaire?
This calculator allows you to calculate how long it will take until you reach your desired account balance.
IRA/401(k)/403(b) Retirement Calculation
Find out how much to put away tax deferred to get a certain amount of money in the future, and how much you could expect to draw out of that money. Just put in some numbers to see!

Sports & Hobbies

High Performance Bass Fishing Boat Speed Calculator
Online High Performance Bass Fishing Boat Speed Calculator
Miles per Hour Calculator
This calculator allows you to calculate miles per hour.

Converters

Binary Converter
Computers read and store the decimal numbers we see every day (1, 5, 10, 100, etc.) as binary numbers, a number of just 1s and 0s. All that you do is enter the decimal number and the calculator will output the binary equivalent! It is a binary converter!
Currency calculator
Currency calculator allows you to convert between currencies. Exchange between dollars, pounds, euro, yen, yuan, and many more.
Data Size Calculator
This calculator allows you to calculate data size in bits, nibbles, bytes, kilobytes, megabytes, gigabytes, and terabytes.
Temperature calculator
The temperature calculator allows you to convert temperature degrees between Celsius, Fahrenheit, Kelvin, Rankine, Delisle, Newton, Réaumur and Rømer. Enter a value in any field to see the other values.

Health & Fitness

Body Mass Index Calculator
This calculator allows you to calculate your Body Mass Index (BMI). Body Mass Index (BMI) is a person's weight in kilograms divided by the square of height in meters. Find out your BMI and what it means for your health.
Calories Calculator
This calculator allows you to figure out how many calories you have burned.
Pregnancy Calculator
This calculator allows you to calculate your due date, conception date, and fetal age.

Computing

Chmod Calculator
This calculator allows you to calculate the number that you need to pass to the chmod command based on the permissions that you want to give to the file.
Download Calculator
This calculator allows you to estimate how long it will take to download a file at any of a number of modem speeds. Try it out!

Fun

Days until Christmas
Use this calculator to find out how many days are left until Christmas.
Love calculator
Are you in love and want to know if it could be a good match? Calculate your chances of a successful relationship based on your first names with the free Love calculator!
Love Compatibility Calculator
To find out what the chances for you and your dream partner are, just fill in your and his or her Info and click Calculate.
Phone Number Converter
Have you ever wondered if your phone number has a memorable text equivalent, like 555-HELP? Just type it in and this calculator will generate all possible combinations, just pick your favourite one and tell the world how to reach you.

Math

Cosine Calculator
Enter the adjacent and hypotenuse angle values and this calculator will solve the cosine angle for you.
Expression Solver
Just enter a math expression and this calculator will evaluate the expression for you.
Perches to square meters and square feet Calculator
Online Perches to meters and feet Calculator.
Prime Number Calculator
Enter a number and this calculator will instantly tell you if it is a prime number or not.
Stem and Leaf Plot
This calculator allows you to create a special table where each data value is split into a stem (the first digit or digits) and a leaf (usually the last digit).

Other

Driving Distance Calculator
This calculator allows you to estimate the driving distance between U.S. cities.
Group Work Calculator
Ever had to work with another person to complete a task? This calculator will tell you how long it would take two people to complete the task if you know how long it would take each person to complete the task individually.