As per imperial system of measurements, rafter pitch is expressed in rise then run, dominated by a number 12 that gives a ratio for number of inclines per 12 inches of run;Standard roof pitches typically ranging between 112 and 512 Any roof pitch higher than a 512 requires custom engineering which might increase the cost of your building Additionally, when you have a higher Roof Pitch, the roof is seen so you might need to order a colored roof, which add to your building cost as wellIf you ever wondered how to figure your overall building height or roof height, here we have a calculator to make life a little easier for you As a reminder, please, don't forget to add height of rafter, thickness of roofing material and ridge vent to the number that you'll get using our calculator
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