Step 2 multiply the radius by 6 28 2 pi to find the perimeter of the room.
How to work out floor area of a room.
To calculate the area of a room use the standard length x width area formula.
If the area is 100 square feet for example the radius is 5 64 feet.
Move any items or furniture in the way of your measuring tape.
Length x width area.
First multiply the length and breadth of that room to get the area total room floor area length of the room breadth of the room 4 m 3 m 12 m2.
Measure the maximum length and width at the widest points of the room.
This is important and will help you get the correct measurements.
Then multiply the length and width.
The way to calculate a rectangular area is by measuring the length and width of your area then multiplying those two numbers together to get the area in feet squared ft 2.
Divide the floor area by 3 14 and take the square root of the result to find the radius of the room.
Then put the dimensions of each area in to the calcualtor if you re stuck on imperial as we are you can input in feet and inches and still get a square metres result then add the areas together.
Measure the length of your room.
If the room is 4 meters long and 3 meters wide its area is 4 meters 3 meters 12 square meters.
Floor area calculator the best way to measure a room is to break it down in to rectangular areas.
For a square or rectangular room you will first need to measure the length and then the width of the room.
Assume you have a rectangular area such as a room and for example you want to calculate the square footage area for flooring or carpet.
Calculating the area of a room now that you know the room s length and width in meters you calculate its area using the formula length width area.
To use our floor area calculator be sure to note down this number in either meters or feet.