MOA Calculator (minute of angle)

Enter the total angle into the calculator to determine the MOA as well as the total spread.

MOA Formula

The following formulas are used to calculate the MOA and spread respectively.

MOA = A / 60

S = MOA * D / 100

  • Where MOA is the minute of angle
  • S is the total spread (inches)
  • D is the total horizontal distance ( yards )

MOA Definition

MOA is short for minute of angle and is used to describe 1/60th of a degree.

MOA Example

How to calculate MOA?

  1. First, determine the absolute angle.

    Measure the total angle in degrees.

  2. Next, calculate the MOA.

    Calculate the minute of angle using the formula above.


What is a MOA?

A minute of angle is described as 1/60th of a degree. This term is often used in fields such as shooting and archery.

What is spread?

Spread is the amount of vertical distance an angle causes at a certain horizontal distance. For example, 1 MOA at 100 yards is approximately 1″ of vertical spread, while at 200 yards it’s close to 2″ of vertical spread.

moa calculator

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