I found this in my wallet this afternoon. It’s been there a long time, but today was housecleaning. Do the formulae sound about right?
1: (Target size in centimeters x 10) divided by (target size in mils) equals (range in meters)
2: (Target size in meters x 1000) divided by (target size in mils equals (range in meters)
Yes, those are correct.
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IDPA SSP classification: Sharpshooter
F.A.S.T. classification: Intermediate
Thanks, Tony911
This is going to sound like a smart ass response, but it isn't... Is there an app for that?
(Math is hard!)
Recovering Gun Store Commando. My Blog: The Clue Meter
“It doesn’t matter what the problem is, the solution is always for us to give the government more money and power, while we eat less meat.”
Glenn Reynolds
Or the Mildot master that you can get if you don't wanna rely on a cell phone...get you one
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Math always works, gadgets can be broken.
Oh by the by, you have some unnecessary complications in those equations. In one you convert from centimeters to millimeters and in the other from meters to millimeters. Wouldn't it be easier to just use one unit of measurement for target size?
If you want to have just one thing to remember, I was taught this:
Target size in mm
----------------------------------------------
Target size in mrad x distance to target in meters
Cover the variable you don't know and you'll see the calculation to finding it out.
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IDPA SSP classification: Sharpshooter
F.A.S.T. classification: Intermediate
What is this millimeter/ meter stuff? What are you guys, communists!?!?
I use: The size of the target in inches x 27.8 divided by # of Mils read = Distance to target in yards.
Target size (in meters) x 1000 / Mils read = meters to target
Always use the largest object of well known size to estimate distance.
Human target (average, if there is such a thing) is about 1.0 m from top of head to crotch. Shoulder width is about 0.5 m, but the smaller size leads to more significant estimation errors.
1 m = 10 mils at 100 m
1 m = 5 mils at 200 m
1 m = 3.33 mils at 300 m
1 m = 2.5 mils at 400 m
1 m = 2 mils at 500 m , this is the furthest for a decent estimation IMO
1 m = 1.67 mils at 600 m
1 m = 1.43 mils at 700 m
Damn dude, you've got a strong mental math game!Originally Posted by Lost River
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