Rise Over Run Roof Calculator

Measure the rise of your roof.

Rise over run roof calculator.

Drag sliders to animate the results and diagram. The angle percent of a slope with rise of 6 units and run of 10 units is. It is often compared to slope but is not exactly the same. Calculate the rafter length substituting these values into the following formula.

How do you find the percent of slope using rise over run. Our roof rafter calculator tools are handy for calculating the number of rafters needed rafter length calculator lineal feet of rafter board feed in ridge and sub facia and the total board feet in the roof. Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot. Angle percentage 6 10 x 100.

Pitch is thus the ratio of the rise in inches to a 12 inch run and is often expressed using a semicolon for example 6 12. Angle the angle of a roof is the same as the roof s slope except instead of being. Calculate roof pitches with this free and simple online tool. A roof pitch that is based on a fixed rise and run and does not end up with a whole number is known as a bastard pitch.

To find the percentage of a slope use this slope percent formula. Let s say it is equal to 1 5 m. A roof with a 6 rise for every 12 run has a 6 per foot or 6 in 12 pitch. Here is an online rise and run calculator which helps to calculate pitch slope and angle with the help of rise and run values.

In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches. Roof slope calculator example of use. In roof pitch calculator pitch value can be obtained by dividing n by. The rise is the distance from the top of the roof to the bottom.

Express roof pitch as the ratio of the amount of the vertical rise of a roof or rise over the corresponding horizontal distance or run you write the pitch assuming a run of 12 inches thus the ratio would describe how much a roof rises for each foot of the run. The run is the distance from the outside of the wall to the inside of the ridge. Slope percent amount of rise amount of run x 100. Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run.

Rise and run means that a 6 12 pitch roof has 6 of rise vertical for each foot of run horizontal. 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 this is very useful information for many purposes especially for roof framing the slope sometimes called pitch is calibrated on speed squares. Let s assume it is equal to 6 m. Enter run the flat level length then click pitch angle or rise to select then enter other known dimension angle or pitch.

Roof pitch calculator results explained.