Post: How to determine the Right power Cheater lenses to buy for your Welding Helmet

How to determine the Right power Cheater lenses to buy for your Welding Helmet

Precision is vital in welding, and a clear line of sight is essential for producing high-quality welds. Cheater lenses can be a game-changer when your vision isn’t up to par. This technical guide will explore the specifics of choosing the correct magnification for power cheaters in your welding helmet. We’ll explore how working distance affects magnification requirements and reveal how cheaper lenses can often be compared to drugstore reading glasses to find your ideal power cheater strength.

Understanding Magnification Strength

Magnification strength is measured in diopters (D), which represents the optical power of the lens. When choosing cheater lenses, the right magnification strength is crucial to ensure optimal vision while welding. Here’s a breakdown of how to determine the appropriate strength:

1. Assess Your Working Distance: The first step in choosing the correct magnification is to consider your working distance. This is the distance between your eyes and the welding task. The farther you work from your welding project, the lower the magnification you’ll need. If you work at varying distances, you consider multiple power cheaters for different functions.

2. Use the Diopter Formula: To calculate the diopter strength you need, you can use the following formula:

Diopter (D) = 1 / Working Distance (in meters). For example, if your working distance is 0.5 meters (50 cm), you need a +2.00 D power cheater.

3. Consider Task Specifics: Different welding tasks may require different magnification strengths. You’ll likely need a higher magnification for intricate TIG welding, whereas MIG or stick welding may require less magnification due to the closer working distance.

Compared to Drugstore Reading Glasses

Interestingly, drugstore reading glasses can serve as a helpful reference point for determining your ideal power cheater strength. The magnification of drugstore reading glasses is usually labeled in diopters, just like power cheaters. Here’s how you can use them:

1. Start with Drugstore Reading Glasses: If you need more clarity about your magnification needs, pick up a few different strengths of drugstore reading glasses, typically ranging from +1.00 D to +3.00 D.

2. Test Your Vision: In a well-lit area, wear reading glasses and attempt to read small text or inspect fine details up close. Pay attention to how comfortable and clear your vision is with each strength.

3. Make Comparisons: Once you find a pair of reading glasses that provide clear vision at your working distance, note the labeled diopter strength. This strength can be a valuable reference when selecting your power cheater.

4. Adjust for Working Distance: Use the earlier formula to adjust the diopter strength based on your working distance.

Quality Matters

While comparing to drugstore reading glasses is helpful, investing in quality power cheaters designed specifically for welding is essential. These lenses are crafted to meet safety standards, resist impact, and withstand harsh welding environments.


Choosing the right magnification for power cheaters in your welding helmet is a precise process that involves considering your working distance, using the diopter formula, and possibly comparing it to drugstore reading glasses. Ultimately, the goal is to achieve clear vision that enhances your welding precision and safety. Remember that quality and durability are paramount, so invest in power cheaters designed for welding to ensure they stand up to the rigors of your work. You’ll see your welding tasks with newfound clarity and accuracy with the right magnification.

If you still aren’t sure which welding magnification power lens are right for you, it’s a good idea to give us a call at 1-866-575-1307 or talk to us through our chat or e-mail us at

Our welding experts will be able to tell you what you need for your application.