Ok, In the past I've always used cheap scope for hunting and shooting. I'd zero them for point blank range and then just use hold overs. This has worked out well out to 300 yards or so. Recently I bought a Viper Vortex. It has 1/4 MOA adjustments. I've never really dailed for distance before and I am a little confused. Since my scope is 1/4 MOA, I assumed that it was 1/4 inch at 100, 1/2 inch at 200, 1 inch at 400 etc ..... But, when I run my velocities for my ammo through JBM, it gives me way different numbers. For drop in inches at 100, 200, 300 and 400 it says ..... 0.0 4.3 15.8 35.9 For drop in MOA it says ....... 0.0 2.1 5.0 8.6 Shouldn't these two sets of numbers be the same?? I hope someone can clear this up for me.