Construction calculators are essential tools to have on any jobsite, even if you don't think you need one. Many people try to do calculations in their heads and think can be quick and accurate enough to match a calculator. Our construction calculators can improve both the speed and accuracy of your work. They're ideal for stair, valley roofing and complex squaring calculations that can't be done easily with pencil and paper. With durable construction and high levels of accuracy, these calculators are indispensible on any jobsite.