Measuring usability is a crucial step in designing products that users find easy and satisfying to use. The System Usability Scale (SUS) offers a quick, reliable way to evaluate usability across a wide range of systems and interfaces. This post explains how to use SUS, how to score it, and how to interpret the results to improve your product’s user experience. SUS ( System Usability Scale) What Is the System Usability Scale? The System Usability Scale is a simple, ten-item qu