ok,, 16.5 MM = 0.6496063 inches... cool,,,, what does that equate to on a ruler????:wacko::blink:

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- Thread starter LaRue Medlin
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ok,, 16.5 MM = 0.6496063 inches... cool,,,, what does that equate to on a ruler????:wacko::blink:

closest easy answer is 2/3 = .666 so it's a little less than 2/3

soooo would 7/8 be a close guess. Need to drill a hole for a lock.

that will be larger, 7/8 = .875

5/8 will be a little smaller

1" = 25.4mm

0.6496063" = 0.65 tenths of an inch on a engineers scale

http://joshmadison.com/article/convert-for-windows

This is very simple. Lets start off making a simple problem...

Lets say we have a simple fractional number...

3/32=.09375

To convert back to a fraction, just multiply .09375 by the denominator you are looking for. So .09375*32, you end up with 3.

Since we got that figured out, lets look at your number.

0.6496063 inches. Looking at the number, we know it is larger than 1/2" and smaller than 3/4".

.6496063 is a fraction. Start with a larger denominator like 64 to get as accurate as we can be.

0.6496063*64=41.5748/64"

41.5748/64=20.787/32=10.39/16=5.19/8

So in the end, a 5/8" hole would be slightly smaller than you are looking for. So, 21/32" is the closest size in 32nds and 11/16" is the closest in 16ths.

Pretty simple...huh?

Tom

Or...

You may want to consider simply investing in a set of metric drill bits....

You may want to consider simply investing in a set of metric drill bits....

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