Not your average calculator site. While Calculate This! does provide standard calculators, there are even more calculators that you probably didn't know you even needed.

This Calculator will help provide an estimate for the amount of wallpaper you will need for a room. It will also provide an estimate of what a contractor might charge to do the work, based on an average price of $1.37... more

This Paint Calculator will help you estimate how many gallons you will need to paint your interior walls and ceiling. It will also provide an estimate of what a painting contractor might charge in labor to paint the room... more

Are you thinking of having a small (or large) get together and need to know how many hors d'oeuvres to have on hand? On average, guests will eat about 5 appetizers each during the first hour and will eat about 3... more

Instantly look up both your Western and Chinese astrological signs using this fun script. What they may reveal about you, well, that's for a fortune teller to disclose.

The Dosage Calculator provides a drug manufacturer's recommended dosage using their labeling instructions and should not be used to modify or replace your physician's dosage instructions. Please refer to the drug... more

This Blood Alcohol Content Calculator is a quick way to see what your blood alcohol content might be after consuming alcoholic beverages. It's mean primarily just for reference and shouldn't be relied on to determine if... more

pizza calculator

How many pizzas should you buy for 10, 20, 30, 40 or even 50 people (or more)? Considering that the average american consumes 27lbs of pizza a year (Pizza Market Place), serving pizza is always a popular food choice. If... more

Recipe Ingredient Substitution Converter

If you suddenly find yourself missing a basic ingredient needed for you recipe, this converter will offer up some possible substitutions for your missing ingredient.

Convert Cubic Inches to Ounces Calculator

Convert Cubic Inches to Ounces (oz) using this conversion calculator. 1 cubic inch is equal to 0.554113 ounces. If you need to know how to convert cubic inches to ounces , multiply cubic inches by .554113.

Convert Ounce To Cubic Inches Calculator

Convert Ounces (oz) to Cubic Inches using this conversion calculator. 1 fluid ounce is equal to 1.80469 cubic inches. If you need to know how to convert ounces to cubic inches, multiply ounces by 1.80469.

Convert Inches To Centimeters (in to cm) Calculator

Convert Inches (in) to Centimeters (cm) using this conversion calculator. 1 inch is equal to 2.54 centimeters. If you need to know how to convert inches to centimeters, multiply inches by 2.54.

Convert Centimeters To Inches (cm to in) Calculator

Convert Centimeters (cm) to Inches (in) using this conversion calculator. 1 centimeter is equal to 0.393701 inches. If you need to know how to convert centimeters to inches, multiply centimeters by 0.393701.

How Many Jelly Beans In A Jar Calculator

Trying to figure out how many jelly beans there are in a mason jar or gallon jug? Here's our method of getting the number, but you can jump to the bottom and just use the calculator too.

One way to do it is to... more

How Many Cubic Inches In A Jar Or Cylinder Calculator

To calculate the cubic inches inside a jar or other cylinder shaped object, you will need to know the diameter and height of the jar then apply the following formula:

Let's say our jar is 8 inches in diameter and... more

How Many Sheet Cakes And Servings Calculator

This calculator will help you figure out the size and quantities of sheet cake size you might need based on the number of guests. It will also provide a breakdown for different serving sizes. Whether you're planning for... more

Calculate The Area Of A Circle

To calculate the area of a circle, use the following formula:

Let's say our circle is 8 inches in diameter. Half of the circle's diameter equals it's radius (8 / 2 = 4). Square the radius (4 * 4 = 16). Multiply... more

How Many Servings In A Round Cake Calculator

This calculator will help you figure out how many servings you might get from a round cake based on the cake's size and the portion size you will be serving your guests.

The formula to calculate this is to divide... more

Topsoil Cubic Feet Yards And Bags Calculator

The Topsoil Calculator will help you figure out how much topsoil or potting soil to buy, with a breakdown in terms of bags or yards. It will convert your measurements into cubic feet and yards so you'll know how much... more

Convert Dog To Human Years Calculator

Way back when, people used to say that one year in dog years is equal to 7 years in human years. A lot of that has changed because of studies on dog longevity. They found that the 7 year rule no longer applies. And bad... more

Calculate The Area Of A Rectangle

To calculate the area of a Rectangle, use the following formula:

multiply the width with the height (width * height)

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