Quote Originally Posted by BPTactical View Post
Yup, linear equation. 1 moa = 1" @100, 2" @200 etc.
This is a Moa http://en.m.wikipedia.org/wiki/Moa:

All kidding aside, 1 MOA is actually 1.047" at 100 yards, 2.094" at 200 yards and so on. Still, it is 10.47" at 1,000 yards. But rounding down to 1" would only upset the most anal of bench rest shooters.