Height Clearance Calculator Roof Center Brace Clearance & Peak Height Select your carport or garage preferences to see the center clearance and peak height. Select Your Building Type Carport Garage Select Your Carport Roof Style Good Regular Better Boxed Eave Best Vertical Choose Frame Width Choose Frame Width Width 12' Width 18' Width 20' Width 22' Width 24' Width 26' Width 28' Width 30' Choose Leg Height Choose Leg Height Height 6' Height 7' Height 8' Height 9' Height 10' Height 11' Height 12' Height 13' Height 14' Height 15' Height 16' Center Clearance 8' 3" Peak Height 8' 3" ASide Leg HeightFrom ground to start of roof.BCenter ClearanceLeg Height + Center Brace Clearance.CPeak HeightLeg height + peak height