Rafter measurements

Roof rafter calculations are simple with our online rafter calculator that determines the number of rafters requirelineal footage, board foot of ridge and facia, and total roof board feet. To do that, I start with my calculated Rise of the rafter , and measure up that distance from the bottom of my post. I mark that on the post, and label it. Inch Rise: The rise measured in inches per foot run.

Rise, run, and the tables in the back of this guide are all that you need to layout rafter lengths and cuts for common, hip, valley, and jack rafters.

The roof pitch calculator calculates slope, pitch, angle and rafter lengths, based on input of rise (M) and run (R).

To determine the finished height of the ridge beam, add the Rise (M) .

Use the calculator below to determine rafter length. Overhang Feet Inches Sixteenth. Long Material Cart Mobile Rack Cart.

Easily move materials across solid or soft surfaces — these carts are constantly in . These can be obtained from either building blueprimts, drawings, or actual measurements. The tables used are also based on these two simple measurements. Basic Roof Framing Instructions. Run is the horizontal distance that the rafter covers.

We have eliminated the complexity of current construction calculators used by multitudes of residential and commercial contractors throughout the nation. This app was tested and reviewed by licensed contractors. Backing depth (22mm from hip centre) Enter pitch to get rise. ROOF FRAMING CALCULATIONS - Duration: 25:26. All you need to know are the span of the building and the slope of the roof.

Calculate the length of your rafter from the rise and run. ROOF RAFTER CALCULATOR - Estimate Rafter Length , Cost and Quantity - Duration: 6:03. This video explains how to figure your rafter length and lay it out. Common Rafter Calculations - Duration: 4:25. So in building with the roof rafters, it is important to know the rafter length to make it seat on the rafter.

It is the beam supporting the building. All online tools use javascript to calculate the dimensions.