Hello guys I am new to long range shooting. I am trying to get set up to shoot ground hogs at possible 600yds. I bought a TC Prohunter in 25-06 and put a Nikon monarch 6.5x20 ao with target knobs. It is 1/8 click at 100yds. My problem is I can’t figure out what my clicks will be at 300, 400, 500, 600yards A friend that got me into this has the same scope and gave me fraction values that ended up with a 1” click at 500yds. I can’t make this work in my head???? I took my rangefinder to a nearby gas line and shot my new gun at 200ysd. And reset my target knobs to “0” then shot at 300 and 400 and 500. my results were 13 clicks at 300yds 21 clicks at 400yds 44 clicks at 500yds Not sure of my 500yds distance but it is close. I had to shoot it from my 400yd target? What I want to do is fill in the gaps enough to get me close so I can go hog hunting. But I cant seem to get the math to work??? Any help would be appreciated.