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Zeroing helper

Scope Adjustment Calculator

Translate point-of-impact shifts into precise turret clicks so you can true your zero without guesswork.

Enter the measured muzzle-to-target distance, then choose yards or meters. Angular correction changes with distance.

Measured from muzzle to target.

Measure from the aiming point to the center of the group. Enter a positive value when impacts are high and a negative value when they are low.

Positive values mean the group is high; negatives mean low.

Measure from the aiming point to the center of the group. Enter a positive value when impacts are right and a negative value when they are left.

Positive values mean the group is right; negatives mean left.

Choose the angular unit printed on the scope turrets. MOA and MIL values are not interchangeable.

Matches your scope’s turret graduations.

Enter the adjustment made by one turret click, such as 0.25 for a quarter-MOA turret or 0.1 for a tenth-mil turret.
MOA/click

Examples: 0.25 for 1/4 MOA, 0.1 for most mil turrets.

Vertical adjustmentNumber of elevation clicks and angular correction needed to move the group center onto the aiming point. — —
Horizontal adjustmentNumber of windage clicks and angular correction needed to move the group center onto the aiming point. — —
Total angular shiftCombined straight-line angular distance of the vertical and horizontal corrections. — —

Turret plan

Dial-in summary

Follow these adjustments to center your point of impact.

  • Enter distance and offsets to generate a plan.