Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Triangle Area and Perimeter Calculator

Find the area or perimeter of any triangle by entering its three side lengths. Ideal for geometry homework, construction projects, or land measurement tasks.

Side A Length (units)

Side B Length (units)

Side C Length (units)

Calculation Type

Fill in the required fields to see your result.

Geometry

Trapezoid Area and Perimeter Calculator

Compute the area or perimeter of any trapezoid instantly. Enter both parallel bases and the height for area, or all four sides for perimeter — ideal for geometry homework and construction layouts.

Base 1 (Top) (units)

Base 2 (Bottom) (units)

Height (units)

Left Side (for perimeter) (units)

Right Side (for perimeter) (units)

Calculate

Fill in the required fields to see your result.

Key differences

	Triangle Area and Perimeter Calculator	Trapezoid Area and Perimeter Calculator
Category	Geometry	Geometry
Inputs required	4	6
Result	Result (units²/units)	Result (units²/units)
What it does	Find the area or perimeter of any triangle by entering its three side lengths. Ideal for geometry homework, construction projects, or land measurement tasks.	Compute the area or perimeter of any trapezoid instantly. Enter both parallel bases and the height for area, or all four sides for perimeter — ideal for geometry homework and construction layouts.