Elliptic Roof Calculator Scope: 1st and 2nd Quadrants Enter Ellipse Dimensions Major Axis: x-axis Minor Axis: y-axis Define height ( 0, 0, z ) at Center Rise, z = Define first endpoint of Chord ( x1 > x2 )  x1 = Define second endpoint of Chord ( x2 < x1 )  x2 = HIP #1 Data ( 0, 0, z ) - ( x1, y1, 0 ) x1 = y1 = Hip 1 Run = Hip 1 Length = wrt to x-axis Deck θ = Hip 1 Pitch θ = Hip 1 Deck θ = Hip 1 Backing θ = Hip 1 Roof Plane θ = HIP #2 Data ( 0, 0, z ) - ( x2, y2, 0 ) x2 = y2 = Hip 2 Run = Hip 2 Length = wrt to x-axis Deck θ = Hip 2 Pitch θ = Hip 2 Deck θ = Hip 2 Backing θ = Hip 2 Roof Plane θ = Chord-Common Rafter Data ( x1, y1, 0 ) - ( x2, y2, 0 ) x1 = y1 = x2 = y2 = Δx: x1 - x2 = Δy: y1 - y2 = Chord Length = Common Pitch θ = at (0, 0, 0) Deck θ = at peak Roof Plane θ =

Elliptic Roof Calculator Entries Elliptic Roof Calculator Images Cartesian Equation Data x ² coefficient = y ² coefficient = Constant = Feet to Inch - Frac. Inch Select Denominator Value Click on Dimension Field at left Fraction : 16ths Halves Quarters Eighths 32nds 64ths Length : Inches : Angle to Rise / Run Select Denominator Value Click on Angle Field at left Scope: 0° < θ < 90° Fraction : 16ths Halves Quarters Eighths 32nds 64ths Degrees : Over ? : Inches :