Here you will find ladders like this: Wooden Staircases Calculation, Straight line on a polyline, Screw metal. Calculate wooden stairs to the second floor Stair Calculator program, free stair step and bowstrings calculation. The ladder step calculation program will give you data not only on the number of steps required but also on the length…

Roofing Calculator 3D for your projects for free. Information on the purpose of the calculator: Roofing Calculator 3D. Online gable roofing calculator (double slope) is designed to calculate the angle of slope of the rafters, the number of crates, the load on the roof, as well as the amount of material necessary to build a…

An inch is a unit of length equal to exactly 2.54 centimeters. There are 12 inches in a foot, and 36 inches in a yard. A foot is a unit of length equal to exactly 12 inches or 0.3048 meters. inch is a unit of length which is equal to 1/12 feet, or simply we…