Directions: Enter any combination of feet and/or inches into the calculator below. You can use this triangle square footage calculator to calculate siding square footage in gables or any other triangle square feet you might need (like: roofing, carpet, etc.) You can also use this tool to convert feet to inches, convert inches to feet, calculate triangle square inches.

Triangle Square Footage Equation

Square Footage Calculator Triangle

  (Height x Length) ÷ 2 = Triangle Square Footage)
  (Triangle Square Footage = Triangle Square Feet = Tri SqFt = Tri Sq.Ft. = tri sq.ft. = tri ft2)


feet     inches   


feet     inches) ÷ 2


Use the calculator above to calculate a triangle's square footage.
You can enter feet only, inches only or a combination of the two.
*Square Footage is also known as (a.k.a) square feet, square ft, SqFt, Sq.Ft., sq.ft., ft2 & ft2
**This Calculator also calculates triangle square inches, the triangle's total Height in feet, total Height in inches, total length in feet and total length in inches.
one square foot

What is a Square Foot?

A "square foot" is a unit of area measurement equal to a square measuring one foot on each side. 1 Square Foot = 0.0929 square meters. Abbrev.: ft2, sq.ft, SqFt.