Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Geometry
Triangle Area Calculator
Calculate a triangle's area using base-height, Heron's formula (three sides), or the two-sides-and-included-angle method. Handy for geometry, surveying, and any problem where you know different combinations of triangle measurements.
Fill in the required fields to see your result.
Geometry
Trapezoid Area Calculator
Calculate the area of any trapezoid by entering its two parallel bases and height. Useful for land surveying, architecture, and geometry problems involving quadrilaterals with one pair of parallel sides.
Fill in the required fields to see your result.
Key differences
| Triangle Area Calculator | Trapezoid Area Calculator | |
|---|---|---|
| Category | Geometry | Geometry |
| Inputs required | 5 | 3 |
| Result | Triangle Area (square units) | Trapezoid Area (square units) |
| What it does | Calculate a triangle's area using base-height, Heron's formula (three sides), or the two-sides-and-included-angle method. Handy for geometry, surveying, and any problem where you know different combinations of triangle measurements. | Calculate the area of any trapezoid by entering its two parallel bases and height. Useful for land surveying, architecture, and geometry problems involving quadrilaterals with one pair of parallel sides. |