The first step to many brand-new flooring projects is come understand just how big your room is. Recognize the measurements of your room will educate you of just how much material you will require to complete the project. To calculate the square clip of your room, friend will require a tape measure (or digital measurer) and also a pen and also notepad (or her phone).

Don’t worry if you’ve never ordered flooring material before, this guide will take you native beginner come measuring expert. We’ll start with the square footage formula, then learn to measure irregular form rooms, and also finally, change our final project measurements to incorporate excess products for mistake and/or waste. The full amount of product you will need will depend on your room size, the product you choose, and also your level of experience with installation. Let’s start with measuring her room!

How to measure the Area

To get started v measuring your area, friend will need your tape measure up (or digital measurer) and also somewhere to document your notes. Feel totally free to use a pen and file or the notepad in your phone to log your measurements.

Before measuring, clean away any kind of furniture that would certainly limit your capability to measure her room. A clear an are between the opposite walls you’re measuring is required so that there are no objects in the means of her measuring tape. To measure up the distance between opposite walls, for sure one finish of your tape measure up to the floor versus one wall using tape or the assistance of a partner, keep the measure tape directly until it reaches the following wall. Document the measurement reflected on the measure tape once it touches the opposing wall surface in your phone or on paper. Repeat this procedure to uncover the distance in between the various other two opposing wall surfaces to recognize the room’s length and width.

If you room working through a digital measurer, the numbers you’ll have to record will be reflected on the device’s display rather than the ice itself.When using a tape measure, for sure the ice is preserved straight. The tape should not it is in bent, nor have to you measure roughly objects.

You are watching: How big is 800 square feet


Once you’ve gained the dimensions for the distances in between your two sets of walls, you recognize the length and also width of her room. This dimensions are necessary to calculate the square footage of her room.To discover the area the a rectangle or the square footage of her room, we will multiply the size by the width. Length x width = Square Footage for example, say you’ve measured the distance between the wall surfaces of her room and discovered the there space 12 feet between the first two walls and 12 feet between the second two walls. In this case, your length and width would certainly be 12 feet by 12 feet. You will multiply the 12 foot width by the 12 foot size to uncover the square clip of your room which is 144 square feet.12 ft x 12 ft = 144 ft²

When room measurements are not a totality foot, just how do you transform inches come feet? since there space 12 inch in 1 foot, to transform inches to feet, just divide the inch by 12.For example, if her room measured in ~ 10 feet 3 inch wide, girlfriend could transform that measurement to feet by dividing 3 customs by 12 i m sorry is .25, and adding it come the 10 feet.3 inch / 12 = .25 feetTherefore, the width of the room is 10.25 feet.

If the room you’re measuring is a square or rectangle, feel free to skip end the rarely often, rarely shapes ar to the square footage calculator.

See more: In Quadrilateral Abcd Above, What Is The Length Of Ab ? What Is The Length Of Ab

It is usual for rooms to no be a perfect rectangle or square. In this cases, we will certainly include additional steps to calculate the square footage of irregular shame rooms. The added step will usage the very same square footage formula we’ve already reviewed and include the multiplied length and also width that the rarely often rare shape.Length x broad = Square clip of key SectionLength x width = Square clip of little SectionSquare clip of key Section + Square footage of tiny Section= complete Square footage of the rarely often, rarely Room


For example, the key section that a room steps out come 12 feet by 12 feet, and secondary space of the room measures out to 5 feet through 7 feet. To discover the square clip of this irregular-shaped room, us will uncover the square clip of the main section and the small section and also then include them together.Square footage of key Section 12 ft x 12 ft = 144 ft2Square footage of small Section5 ft x 7 ft = 35 ft2Total Square footage of the irregular Room144 ft2 + 35 ft2 = 179 ft2


Examples because that Calculating Square Footage

hidden items for collapsed accordion

How many square feet is a 20x20 room?

The square clip of a room 20 feet wide and 20 feet long is 400 square feet. The square footage is discovered by multiplying the width (20 ft) through the size (20 ft).

L x W = Sq. Ft

20 ft x 20 ft = 400 sq. Ft

The square footage of a room 15 feet wide and 15 feet long is 225 square feet. The square footage is calculated by multiply the broad (15 ft) through the size (15 ft).

L x W = Sq. Ft

15 ft x 15ft = 225 sq. Ft

The square clip of a room 13 feet large and 13 feet lengthy is 169 square feet. The square clip is discovered by multiply the broad (13 ft) by the size (13 ft).

Length x width = Square Feet

13 ft x 13 ft = 169 sq. Ft

The square footage of a room 12 feet large by 12 feet lengthy is 144 square feet. Uncover the square clip by multiplying the broad (12 ft) by the size (12 ft).

L x W = Sq. Ft

12 ft x 12 ft = 144 sq. Ft

The square footage of a room 10 feet wide by 10 feet long is 100 square feet. Discover the square clip by multiplying the broad (10 ft) by the size (10 ft).

L x W = Sq. Ft

10 ft x 10 ft = 100 sq. Ft

The square footage of a room 12 feet broad and 16 feet lengthy is 192 square feet. Discover the square footage by multiplying the broad (12 ft) through the size (16 ft).

L x W = Sq. Ft

12 ft x 16 ft = 192 sq. Ft

Square footage Calculator

Once you have the dimensions of your room recorded, use the calculator listed below to uncover the square footage of her room. Usage the fields labeled length and width to input her measurements and click ‘Calculate’.For non-rectangle, irregularly shaped rooms press the ‘Add Space’ button to have actually the option to include additional lengths and also widths to your square footage calculation.The next step will help you determine exactly how much flooring product you’ll need to purchase for your flooring project.