Formulas for MOA

[BuckSnort]

Can someone please tell me an easy formula for finding MOA at different yardages?

 

[rost495]

For practical purposes MOA is in inches equal to the yardage. IE 1 MOA is 1 inch at 100, 2 inches at 200, 3 inches at 300, 18 inches at 1800 yards.

Does that help?

Jeff

 

[Mammoth]

Good question!
And for impractical purposes:

A circle is 360 degrees
A minute is 1/60 of a degree
So (360 X 60) there are 21600 minutes in a circle
So we need to find the circumference in inches of the given distance in a circle
At 100 yards its diameter is 200 yards, which is 7200 inches
Pi (3.14159) X 7200 = 22619.448
So 22619.448 / 21600 = 1.0472 inches

So for an EZ way I would stick with Jeff's time tested method!

 

[studpile]

Uh..yeah...er..most definately. All kidding aside...that is useful info guys...thanks.

 

[BuckSnort]

I'm actually looking for the formula for finding MOA at Different yardages so one could use with a tacktical scope. I read an artical in a hunting mag on how to do it but I never saved the article.It sounded like there was alot more to it than just 1"@100 2"@200 3"@300 ect.......

Any target shooters out there know what I'm talking about???

 

[D13er]

try this then- .010472 x yardage = 1 MOA

.010472 x 563 yds = 5.896"

JB

 

[rost495]

Not sure I follow you totally. Go to longrangehunting.com and ask. You'll get enough info on mildots, rangefinding, etc... and more MOA data than you need.

Jeff