Easily calculate the total surface area of a frustum of a pyramid using our free online tool. Simply enter the number of sides, side lengths of both bases, and the frustum's slant height. Get instant, precise results for your geometry problems, architectural designs, or engineering calculations.
Formula:
TSA = Abottom + Atop + LSA
LSA = (1/2) × (Pbottom + Ptop) × l
Where:
- TSA = Total Surface Area of the frustum
- Abottom = Area of the bottom base polygon
- Atop = Area of the top base polygon
- LSA = Lateral Surface Area of the frustum
- Pbottom = Perimeter of the bottom base polygon
- Ptop = Perimeter of the top base polygon
- l = Slant height of the frustum
(Note: Our calculator internally computes Abottom, Atop, Pbottom, and Ptop from the number of sides and side lengths you provide.)