Scope Click Value Calculator

Enter your scope's click value in MOA and your target distance to instantly see how much your point of impact shifts per click — in inches, centimeters, and milliradians — at any range.

Created by Luis GonzalezLast updated: May 9, 2026

How to Use This Calculator

1
Enter Click Value (MOA)
Input the angular adjustment per click of your scope turret, commonly 1/8 MOA (0.125), 1/4 MOA (0.25), or 1/2 MOA (0.5).
2
Enter Distance to Target
Input the range to your target in yards. The shift per click increases proportionally with distance.
3
Review Your Results
The calculator will display the shift per click in inches, centimeters, and milliradians, along with clicks per inch/centimeter.

Example Calculation

A competitive shooter needs to determine the exact adjustment value for their 1/4 MOA scope at a target distance of 100 yards.

Click Value (MOA)

0.25 MOA

Distance to Target

100 yd

Results

0.26 in

Tips

Zero Your Scope Accurately

Before making adjustments, ensure your scope is zeroed at a known distance (e.g., 100 yards). This provides a reliable baseline for all subsequent elevation and windage corrections, making your calculated click values directly applicable.

Account for Environmental Factors

The calculated click value is theoretical. In real-world shooting, factors like wind, temperature, humidity, and air pressure will affect bullet trajectory. Use this tool for mechanical adjustments, but always apply real-time ballistic data for fine-tuning in the field.

Practice Dialing Adjustments

Familiarize yourself with your scope's turrets. Practice dialing in various corrections (e.g., 8 clicks up for 2 MOA) to build muscle memory. This ensures rapid and accurate adjustments during dynamic shooting scenarios, where speed and precision are critical.

The Scope Click Value Calculator provides precise measurements for how far a rifle scope adjusts per click, translating angular values (MOA) into linear shifts in inches, centimeters, and milliradians at any given distance. This tool is fundamental for shooters who rely on accurate adjustments for elevation and windage. For example, a 1/4 MOA scope at 100 yards will adjust the point of impact by approximately 0.26 inches per click, a critical detail for precision shooting.

Precision Training and Performance Metrics

Precision in activities, whether athletic or technical, hinges on understanding and adjusting for minute variations. In shooting, this means knowing precisely how a scope click translates to target impact. In fitness, it might involve tracking physiological metrics (e.g., maintaining heart rate within 70-85% of maximum during interval training) or fine-tuning technique for optimal power output (e.g., a 0.5-inch adjustment in grip for a golf swing). Measurable adjustments, even small ones, are key to improving performance and achieving specific goals, often leading to a 5-10% improvement in efficiency or accuracy over time, similar to how precise scope adjustments improve shot groups.

The Mathematical Basis of Scope Adjustments

The calculation of a scope's click value relies on the definition of a Minute of Angle (MOA) or Milliradian (MRAD), which are angular measurements that scale with distance. This calculator focuses on MOA, where 1 MOA subtends approximately 1.047 inches at 100 yards.

The primary formula for shift per click in inches is:

shift per click (in) = click value (MOA) × (distance to target (yd) / 100) × 1.047

Once the shift in inches is known, it can be converted to centimeters and milliradians using standard conversion factors:

1 inch = 2.54 cm
1 MOA = 0.29089 mrad (or 1 mrad = 3.43775 MOA)

💡 To determine optimal zeroing distances, our Point Blank Range Calculator helps simplify aiming in hunting scenarios.

Calculating Click Value for a 1/4 MOA Scope at 100 Yards

Let's calculate the shift per click for a common scenario: a 1/4 MOA scope at a target distance of 100 yards.

Click Value (MOA): 0.25 MOA (since 1/4 = 0.25).
Distance to Target: 100 yards.
Apply the Formula: shift per click (in) = 0.25 × (100 / 100) × 1.047 shift per click (in) = 0.25 × 1 × 1.047 shift per click (in) = 0.26175 inches
Rounded Shift per Click (in): 0.26 inches.

This means each click on a 1/4 MOA scope will move the point of impact by approximately one-quarter of an inch at 100 yards.

💡 For predicting where your bullet will land, our Point of Impact at Distance Calculator provides crucial ballistic insights.

Common Click Values in Ballistics and Optics

The choice of click value in rifle scopes is a critical decision for shooters, balancing precision with speed of adjustment. The most common values include:

1/4 MOA (0.25 MOA): This is the industry standard for many hunting and tactical scopes, offering a good balance of fine adjustment and quick dialing. At 100 yards, each click moves the point of impact by approximately 0.26 inches.
1/8 MOA (0.125 MOA): Favored by competitive target shooters, this provides twice the precision of 1/4 MOA, moving the impact point by roughly 0.13 inches at 100 yards. It allows for extremely fine-tuned adjustments, crucial for tight groups.
0.1 MRAD (0.343 MOA): Popular in military, law enforcement, and long-range precision shooting, this metric-based system moves the point of impact by 1 centimeter at 100 meters (roughly 0.36 inches at 100 yards). It simplifies calculations when working with metric distances and targets.

These benchmarks help shooters select optics that match their specific application and desired level of precision.

Frequently Asked Questions

What is MOA in relation to scope adjustments?

MOA stands for Minute of Angle, an angular unit used in shooting to measure bullet drop and windage adjustments. One MOA subtends approximately 1.047 inches at 100 yards, and this value scales linearly with distance. Scope turrets often adjust in fractions of an MOA (e.g., 1/4 MOA per click), allowing shooters to precisely correct their point of impact.

How does 'click value' affect shooting precision?

Click value refers to the linear distance a bullet's point of impact shifts per single click of a scope's adjustment turret at a specific distance. A smaller click value (ee.g., 1/8 MOA) offers finer adjustments and greater precision, ideal for long-range target shooting. A larger click value (e.g., 1/2 MOA) allows for quicker, coarser adjustments, often preferred in hunting scenarios.

Why does the shift per click increase with distance?

The shift per click increases with distance because MOA (Minute of Angle) and MRAD (Milliradian) are angular units. An angle, by definition, subtends a larger linear distance as the range to the target increases. Therefore, a 1/4 MOA click that moves the point of impact 0.26 inches at 100 yards will move it 0.52 inches at 200 yards, and 0.78 inches at 300 yards.

What is the difference between MOA and MRAD click values?

MOA (Minute of Angle) and MRAD (Milliradian) are both angular units used for scope adjustments, but they are based on different systems. 1 MOA equals 1.047 inches at 100 yards, while 1 MRAD equals 10 centimeters (or 3.937 inches) at 100 meters. MOA is more common in North America, while MRAD is often preferred internationally and by military/tactical shooters for its metric compatibility.