How To Work Out Roof Pitch Metric

Let s say it is equal to 1 5 m.

How to work out roof pitch metric. Calculate the rafter length substituting these values into the following formula. Move the tape measure along the the roof until it hits the level at exactly the 12 inch mark. Finally enter the value of the rafter length and. Measure the rise of your roof.

Then enter the value of the run and choose the unit of measurement from the drop down menu. Pitch rise run 1 5 6 25. The triangle diagram will be re drawn to scale with all dimensions marked. Enter run the flat level length then click pitch angle or rise to select then enter other known dimension angle or pitch.

Drag sliders to animate the results and diagram. Rafter rise run 1 5 6 2 25 36 38 25rafter 38 25 6 18 m. Calculate the roof pitch as the proportion of rise and run. This is very useful information for many purposes especially for roof framing the slope sometimes called pitch is calibrated on speed squares.

The roof pitch measures the steepness of your shed roof and typically takes values from 1 to 12. Roof pitch calculator results explained slope the slope of a roof is represented as x 12 where x is the number of inches in rise for every 12 inches of run. Visit this page using a phone or tablet to directly measure pitch and angles. If your roof pitch is greater than 3 your roof is considered pitched read more about roof pitch at wikipedia.

First enter the value of the rise and choose the unit of measurement from the drop down menu. When calculating the length of the rafter from the center of the ridge beam you ll need to take half of the ridge beam thickness and subtract it from the length of the top end of the rafter. If you are trying hard to work out how to figure roof pitch measurements the calculator takes away all of those problems for you more or less instantly. Hold the 0 mark of the tape measure against the roof.

Extend it upward so it is perpendicular to the level. For instance if the roof rises 4 feet and has a span of 16 feet then the roof pitch will be 4 16 or 1 4. Measure the vertical distance from roof to level.