Measure right triangles similarly, then divide by two. Basically, you found the area of a rectangle as usual, then divided by two to get the area of the triangle. Turn other triangles into right triangles, then measure them. You've just divided the triangle into two pieces, each one a right triangle!
See above for instructions on how to find the area of a right triangle; measure each of the two sub-triangles separately, and add them together. Calculate the area of a circle. If you're not sure where the center is, have a friend hold a tape measure and walk around the edge of the circle. Hold the other end of the tape measure and adjust your position until the measurement stays the same while your friend walks around the entire edge.
More complicated curved boundaries require more advanced math to calculate. If you are measuring a room for practical purposes, it might be easier to estimate the area by pretending the curved surfaces are a series of straight lines. Did you know you can get premium answers for this article? Unlock premium answers by supporting wikiHow. Mario Banuelos, PhD.
Support wikiHow by unlocking this expert answer. Not Helpful 0 Helpful 0. Not Helpful 3 Helpful Not Helpful 1 Helpful Not Helpful 10 Helpful 9. Not Helpful 18 Helpful If you mean square feet, there are Not Helpful 43 Helpful They are two ways of saying the same thing. The latter is the British way of saying it. Not Helpful 14 Helpful If you're asking about square feet, you would multiply the two lengths and then multiply by Not Helpful 13 Helpful Include your email address to get a message when this question is answered.
By using this service, some information may be shared with YouTube. Say "five square meters" instead of "five meters squared. Helpful 0 Not Helpful 0. If you're not sure whether you calculated correctly, check that your answer is in the right ballpark with these measurements: An American football field is about 5, square meters. An association football soccer field ranges from 4, to 11, square meters.
Related wikiHows How to. How to. Assistant Professor of Mathematics. Expert Interview. More References 7. About This Article. Co-authored by:. You can measure the area of a space in square meters in a few simple steps. Follow along to learn how to calculate yourself, or simply use the calculator above.
Start by measuring the length and width of the space in meters using a tape measure or other measuring tool. We have some simple area conversion utilities , or you can convert yourself.
These tools will make it easier to calculate square metres since they were designed in the same system of measurement. Square metres are a unit for measuring area or the size of a two-dimensional object such as a floor or a field. Use your measuring tool to measure one side of the object, from one corner to the other. Write down the result. If the object is longer than 1 metre, remember to include both the metre and centimetre parts of the measurement.
Lay out the measuring tool, then put down a rock or other small object precisely at an easy to remember mark like 1 metre or 25 centimetres. Pick up the tool and lay it down again, starting at the small object. You can also write square meters as meters 2 or m 2 , which is read as meters squared. The formula works if your room is a square or rectangle shape, but sometimes rooms are L-shaped, or maybe you want to measure the free floor space around the furniture that's already in the room.
In that case, the easiest method is to break the room's shape into individual rectangles. Calculate the area of each rectangle in square meters and then add the areas to get the total area of the room in square meters.
If you have an L-shaped room that you broke down into two rectangles — one measuring 2 meters by 5 meters and the other measuring 5 meters by 4 meters — the area of the first rectangle is. Lisa studied mathematics at the University of Alaska, Anchorage, and spent several years tutoring high school and university students through scary -- but fun!
How to Convert Square Feet to Yards. How to Calculate the Square Feet of a Rectangle.
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