Business and trade mathematics
Construction geometry calculators
Solve rectangle, right-triangle, slope, three-side triangle and cylinder measurements from supplied site dimensions. These geometric tools do not design structures or establish code compliance.
CALCULATOR 163
Rectangle diagonal and perimeter
Find the target diagonal, perimeter and area of an assumed rectangle from two perpendicular side lengths.
Open calculator →CALCULATOR 164
Right triangle lengths and angles
Solve a right triangle from two legs, a hypotenuse and leg, or a horizontal leg and angle.
Open calculator →CALCULATOR 165
Slope grade and rise run
Convert measured rise and horizontal run to grade, angle and sloping length, or find rise from a supplied grade.
Open calculator →CALCULATOR 166
Triangle area from three sides
Calculate the area, perimeter and angles of a triangle from three measured side lengths.
Open calculator →CALCULATOR 167
Round footing and cylinder volume
Estimate solid or hollow cylindrical volumes for measured round forms, piers or footings, with quantity and an explicit allowance.
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