Choosing the correct wire size is critical for electrical safety and performance. Our Wire Size & Ampacity Calculator helps you quickly determine the recommended AWG wire gauge based on amps, or find the maximum amp rating for a selected wire size. Whether you’re asking “What wire gauge do I need for 20 amps?” or comparing…

Heavy snowfall can add thousands of pounds of weight to your home. Use this Snow Load on Roof Calculator to estimate your total roof snow load, including snow weight per square foot and overall load in pounds. Simply enter your roof area, snow depth, snow type, and roof material to calculate how much weight your…