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Triangular Pyramid Surface Area Calculator

Find the surface area of a pyramid with a triangular base with this Pyramid Surface Area Calculator.

Add a Triangular Pyramid Surface Area Calculator Widget to your own website, or blog.

How do you find the surface area of a pyramid?

To find the surface area, use this pyramid surface area formula:
Surface Area = ( .5 x Base Perimeter x S ) + Base Area

S = Slant length of one of the triangular faces

Pyramidpyramid slant


Example: The surface area of a regular triangular pyramid with base area
of 32 square inches, base perimeter 24 inches and slant length of
8 inches:

Surface Area = ( .5 x 24 x 8) + 32


Calculated out this gives a surface area of 128 Square Inches.