Geometry Calculator

Calculate area, perimeter, and angles of triangles, rectangles, circles, squares, and trapezoids.

📐

Geometry calculator

🔺 Triangle calculation

⬜ Rectangle calculation

⭕ Circuit calculation

⬛ Square calculation

Perimeter calculations assume an isosceles trapezoid.

🔺 Calculate the trapezoid

📈 Geometric shape

📝 Equations used

Triangle: Space = ½ × Base × to rise Ocean = a + b + c
Rectangle: Space = Length × The offer Ocean = 2 × (Length + The offer)
Circle: Space = πr² Ocean = 2πr
The box: Space = s² Ocean = 4s
Trapezium: Space = ½ × (a + b) × to rise
Back to tools