You don’t require a calculator come quickly find the facility of something that’s an odd length, such together 37 5/8 inches. The clever folks in ~ This Old House display us two ways to quickly divide a length in fifty percent using simply your ice measure.

You are watching: Half of 5 1/2 inches


In the video clip above, Tom Silva displayed the two methods. The very first is easier since it involves only one tape measure:

Measure her item. In this case, a board.Round as much as a bigger number that’s conveniently divisible by two. In this example, 40 inches.Pull a tape measure diagonally throughout the board until the 40-inch graduation aligns v one edge.Make a pencil line at the 20-inch graduation line (half of 40). That’ll it is in the facility of the 37 5/8 customs board.

The second an approach is come use two tape measures, pulling each across from the opposite edges, and also find wherein the the same measurement is. That’s the center.


Math is fun, but sometimes mathematics shortcuts room even an ext fun.

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Ask Tom: exactly how to find Measurements Without math | This Old House


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Is it just me, or carry out both of these seem overly complicated? can not you just fold the tape measure in half? it is even simpler with tailor’s tape.

Or I’ve also used twine; pull twine alongside the tape measure, cut it the exact same length and just wrinkles that in half ...

As an aside, moving twine is simpler than transferring a tape measure up also. One point that twine deserve to do for you it is cool, if you are looking at a bunch that the exact same items to watch if one will certainly fit, choose whether girlfriend can obtain a bed v your apartment door (or to fit in your room), reduced a few pieces the length and also width of the area you’re came to about, roll ‘em up in her purse, jacket pocket, wherever, and take off. Currently when you out looking for beds yes sir no should remember room size or lug a tape measure everywhere, just stretch the twine out on the floor by the item and et voila, you’re done.

I need to make mine own present “This Old Man” through a bunch of tricks that are useful, but additionally absolutely guarantee to embarrass the kids ;)