The best knife for cutting carpet tiles depends on the specific requirements of the task and individual preferences. However, there are a few factors to consider when choosing a knife for cutting carpet tiles: Blade type: Look for a knife with a sharp, durable blade designed for cutting carpets. Some carpet knives have hooked or curved blades specifically tailored for this purpose. Precision and control: Cutting carpet tiles requires precision and control to achieve clean and accurate cuts. Consider a knife with a slim blade and a comfortable grip that allows for precise maneuvering. Safety features: Safety is paramount when working with knives. Choose a knife with features like a locking mechanism or retractable blade to prevent accidents and injuries. Replaceable blades: Since carpet cutting can dull blades quickly, having a knife with replaceable blades ensures continued sharpness and efficiency throughout the task. Ultimately, the best knife for cutting carpet tiles is one that offers precision, control, safety, and replaceable blades. Maybe you need just a regular Swiss knife, carpet scissors, or a more professional industrial carpet knife with serrated blades.