Use this equilateral triangle calculator to calculate equilateral triangle height, area, and perimeter. Learn the equilateral triangle height formula easily.
h = height
A = area
P = perimeter
a = side length
| Side (a) | Height (h) | Area | Perimeter |
|---|---|---|---|
| 2 | 1.732051 | 1.732051 | 6.000000 |
| 4 | 3.464102 | 6.928203 | 12.000000 |
| 6 | 5.196152 | 15.588457 | 18.000000 |
| 8 | 6.928203 | 27.712813 | 24.000000 |
| 10 | 8.660254 | 43.301270 | 30.000000 |
To manually calculate equilateral triangle height, area, and perimeter:
1. Height: h = (√3 / 2) × a
2. Area: A = (√3 / 4) × a²
3. Perimeter: P = 3 × a
This equilateral triangle calculator instantly computes height, area, and perimeter with six-decimal precision using the equilateral triangle height formula.
• All sides and angles are equal.
• Each angle is 60°.
• Height, median, and angle bisector are the same.
• They have rotational and reflection symmetry.
• Equilateral triangles are widely used in tiling and design.