Dividing the room into the particular number of separate sections is an effective way to calculate the room's precise size when it has a unique shape. Use the Number of Doors and Windows section to calculate the Doors and Windows values. The formula for the area of a rectangular room is width x length, as shown in the figure below: This is the equation used in … All you need here is the radius. But first, let's take a look at the room you are planning to install your air conditioner in. Calculating square footage depends on the shape you have. ft. On the other hand, choosing a huge air conditioner could cool the room very fast, but won't dehumidify the room at all. For real estate advertisings and listings, most agents determine square footage by measuring the exterior dimensions of the house. input to the left, and click "calculate" The formula to calculate square footage is simply length times width. For other area shapes, see formulas below to calculate Area (ft 2) = Square Footage. If your room is facing the sun during the day, we need to increase your air conditioner's capacity by 10%. Want to learn more about cooling your room. To calculate the price per square foot of your home, divide the total price by the number of square feet. For instance, if a room is 8 feet wide, 10 feet long and 8 feet high, multiply 8 times 10 times 8 to get 640 cubic feet. Before you start using the calculator, you should measure the width and length of the room you want to lay a new floor in. Base= 15ft; Height= 23ft Result= 345 sq. In this case you need its base and height. For any room, a wall square footage calculator, which can be found on a paint company website, makes it really easy to estimate the square footage of the walls. input to the left, and click "calculate". There is a square footage formula for each standard shape. input to the left, and click "calculate" Based on these values, the calculator first calculates the area of the room in square footage. DO NOT use a "comma" in the input. If you do not know your room's covered area yet, you can find it by using any measuring tools you have lying around, and measuring the length and the width of your room. While deciding to regulate the temperature and humidity of your house is the easy part, air conditioners come in a lot of different sizes, and choosing the wrong one could end up wasting you money or time, having to go back to the store for a replacement. Check out 23 similar home and garden calculators , How to choose what size of air conditioner to get for any room size, Understanding Air Conditioning British Thermal Units (AC BTUs), The importance of choosing the correct air conditioner size. So, you finally decided to buy an air conditioner to keep your room from getting too hot (or maybe too cold). This air conditioner room size calculator, also known as an AC BTU calculator, will help you decide what size of air conditioner to buy so you can be efficiently cool (or heat) your room. Square footage is calculated by multiplying width by length or width by height. LED Glow Tables, Portable Light Up Bars, Columns, Commercial Cafe, Restaurant & Breakroom Tables, View More Table Setups, Calculators, Capacities, DO NOT use a "comma" in the input. - meters: multiply by 3.281 to convert to feet Calculate the Area as Square Footage. The more movement in the room (patrons walking around etc.) If you have an irregularly shaped room, you can use our square footage calculator and choose the multiple rooms option to help you determine the area of your room. For example, use 1000 instead of 1,000. ft. formula in case of a circle is: Ex. For example, if your room has a rectangular shape, write down in the calculator only width and depth of it and specify the measure's units. Next, we also have to consider the number of persons that are regularly in the room. If you enter these data the Square Foot Calculator can quickly do the job for you. Simply multiply the length and width of the area. Multiply your Length × Width to get your area. Paint usually is applied at 350 to 400 square feet per gallon (primer at 200 to 300 square feet per gallon). If you are measuring a square or rectangle area, multiply length times width; Length x Width = Area. In this case you need the top edge, bottom edge, left side, right side.