Gambrel roof calculator

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Units you will use (either ft = feet or m = meters)
ft m

a = gable 1st span:


b = gutter length:


c = gable geight:


d = lower rafter length:


e = gable 2nd span:


f = higher rafter length:

Calculate now:

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Clicking button #1, the gambrel roof area and pitch calculation will be accomplished based on the above form. If you also wish to get free estimate of the total costs of such roofing job or contact prescreened roofing contractors we recommend you to click buttons #2 and #3 as well. They will bring you to free 3rd party services provided by respected industry leaders.