A roofing estimate calculator is an online tool for calculating the cost of roofing based on building height, dimensions, slope and roofing material. The calculator can be used to estimate the cost for flat, metal and as... More »

Enter the roof type, roof slope and roof ground dimensions into a roof shingle calculator to estimate the area of the roof. Use the value obtained to determine the cost of the required materials and cost of roof installa... More »

When framing a roof, first calculate the needed measurements of roof framing rafters. To find out the span of roof framing, measure the width of the building. Divide that number by two to get the run, which is the horizo... More »

A provisional sum is an estimate of the cost of completing a particular job. A provisional sum includes the cost of supplying any materials needed for work. More »

To estimate the cost of installing house siding, some factors to consider are the type and quality of the siding material, the home's size and shape, the home location, labor costs and whether the old siding needs to be ... More »

A slope intercept calculator is a tool used to determine the slope-intercept form of an equation for a line passing through two points on a Cartesian coordinates plane. Other uses include calculation of the slope itself ... More »

To use a free mortgage calculator, individuals have to enter personal financial details into an online tool to get an accurate estimate of their mortgage payments. Examples of information required include the home value,... More »