How many feet is one square foot?

How to Convert to Square Feet

You can also convert an area from square inches, square yards, or square meters into square feet. You can use an area converter or one of the formulas below to convert an area measurement into a square footage measurement.

Square Inches: sq ft = sq in ÷ 144

Square Yards: sq ft = sq yds × 9

Square Meters: sq ft = sq m × 10.764

How to Calculate Square Footage of Spaces With Odd Dimensions

Unfortunately, some spaces aren’t a neat geometric shape. You can divide the space into smaller shapes to get an accurate measure of square footage. Then, add all the calculations to get the total area.

For example, if you have a rectangular kitchen with a breakfast nook, you can measure the main part of the room and the nook separately, then add the results to get the total square footage.

First, find the length and width of each section:

  • Main room: 12 feet x 10 feet = 120 square feet
  • Nook: 4 feet x 6 feet = 24 square feet

Then, add them together:

120 square feet + 24 square feet = 144 square feet

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Converting From Other Units of Measure

Now that you’ve mastered the simple area calculation from feet to square feet, you can, in essence, be your own linear foot calculator to transform linear measurements into measurements of area. But what if the dimensions you’re given to work with aren’t in feet?

No problem: You can use simple conversion factors to convert those measurements from other units into feet. It’s usually easiest to perform those conversions ​before​ you do the math to go from linear dimensions into square dimensions. The two conversions you’re most likely to find yourself making are yards and inches.

Yards

One yard equals 3 feet. So if you’re given linear measurements in yards, multiply each measurement by 3 to get its equivalent in feet. For example:

9\text{ yd}\frac{3\text{ ft}}{\text{yd}}=27\text{ ft}

Inches

There are 12 inches in 1 foot, so to convert from inches to feet, divide by 12. For example:

36\text{ in}\frac{\text{ ft}}{12\text{ in}}=3\text{ ft}

How to measure the square footage of a house or property

We have touched previously on how to calculate and measure square footage in a simple situation like a rectangular room/house or a circular and triangular… But there are situations in which the shape of the property we want to measure square footage from, is a bit more complicated than that. In those cases there are two options: (1) using the area of a polygon calculator and other similar calculators by Omni (we can recommend the hexagon / octagon area calculators or (2) get creative, as we’re gonna do now.

For very complicated and irregular shapes, there is no simple recipe for how to measure the square footage of a house using just one tool. However, we can use a simple trick to achieve the appropriate result. We can try to decompose the area into several small pieces that have a regular shape, for which we can calculate square footage. To each of those pieces, we apply the square footage formula corresponding to its polygonal shape (different Omni Calculators will prove useful here). If we then add up the result from every piece, we will obtain the total square footage of the house, no matter its shape.

There is a chance that the house will have rounded corners of curvy shapes (they are very popular nowadays), and this might seem impossible to do. But in reality, one can get a very good approximation using a straight line that goes to the middle of the curved ones or, if we want to be more precise, many small polygons. It could be time-consuming, but it simultaneously can be as accurate as one needs.

How to Calculate Square Footage

Square footage is area expressed in square feet. Likewise, square yardage is area expressed in square yards.  Square meters is also a common measure of area.

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.

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 (ft2). If you have on oddly shaped area, such as an L-shape, split it into square or rectanglualar sections and treat them as two separate areas. Calculate the area of each section then add them together for your total. If your measurements are in different units, say feet and inches, you can first convert those values to feet, then multiply them together to get the square footage of the area.

Convert all of your measurements to feet

  • If you measured in feet skip to “Calculate the Area as Square Footage”
  • If you measured in feet & inches, divide inches by 12 and add that to your feet measure to get total feet
  • If you measured in another unit of measure, do the following to convert to feet – inches: divide by 12 and that is your measurement in feet – yards: multiply by 3 and that is your measurement in feet – centimeters: multiply by 0.03281 to convert to feet – meters: multiply by 3.281 to convert to feet

Calculate the Area as Square Footage

  • If you are measuring a square or rectangle area, multiply length times width; Length x Width = Area.
  • For other area shapes, see formulas below to calculate Area (ft2) = Square Footage.

How to convert acres to sq ft?

The procedure of converting square inches to square feet or from acres to sq ft is the same as converting from square meters to square feet. In the following examples, you will find the most common of these conversions: how many square feet are in an acre.

  • 1 acre * 43 560 sq ft/acre = 43 560 sq ft
  • 30 sq in * 0.00694 sq ft/sqin = 0.208333 sq ft

Intuitively, this process can also be done in reverse. Therefore, we can not only find square footage when we know its value expressed in the other units but also find an area in any units from a given square footage.

How many square feet is a 12×12 room?

The square footage of a room measuring 12 feet wide by 12 feet long is 144 square feet. To calculate this you simply multiply the width by the height. 12ft × 12ft = 144 sq ft.

How to find the square footage of a circle

  1. Measure the diameter of your circle in feet.
  2. Divide your diameter by 2 and then square it (multiply it by itself).
  3. Multiply your total by π (3.14159265)
 The formula for calculating the area of a circle

The formula for calculating the area of a circle is: π r2 (with r being the radius of the circle, which is half the diameter). π is the symbol for pi (3.14159265).

 

Convert Inches to Feet

You may need to convert inches to feet for certain projects. To do so, divide the total number of inches by 12. To get from feet to inches, multiply by 12.

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