Calculate the surface area of your roof

Check out our new calculator for complex custom roof shapes! www.outlineroofing.com Roof area calculator

Geometry Calculator

Use this quick geometry calculator to find the perimeter, the area or angles for various geometric shapes. It could be useful for complicated roofs or just as a general geometry calculator.

triangle calculator

All fields are required:

a
b
c
Area =
0
Perimeter =
0
ab Angle =
0 deg
ac Angle =
0 deg
bc Angle =
0 deg
*For decimal dimensions, use the dot notation! (.)
right angled triangle

Only 2 dimensions (any) are required:

a
b
c
Area =
0
Perimeter =
0
a =
0
b =
0
c =
0
ab Angle =
90 deg
ac Angle =
0 deg
bc Angle =
0 deg
*For decimal dimensions, use the dot notation! (.)
roof calculator - square

Only one field is required (any):

a
d
Area =
0
Perimeter =
0
a =
0
d =
0
ad Angle =
45 deg
*For decimal dimensions, use the dot notation! (.)
Rectangle calculator

Please fill ANY 2 dimensions:

a
b
d
Area =
0
Perimeter =
0
a =
0
b =
0
d =
0
ad Angle =
0 deg
db Angle =
0 deg
*For decimal dimensions, use the dot notation! (.)
Trapezoid calculator

All fields are required:

a
b
d
Area
0
Perimeter
0
*For decimal dimensions, use the dot notation! (.)
Trapezoid calculator

Radius:

r
Circumference:
0
Area:
0
Diameter:
0
*For decimal dimensions, use the dot notation! (.)

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