⬜ Square Area Calculator
Calculate area, perimeter, and diagonal
Formula
Area
Area = Side × Side = Side²
Example: 10² = 100 sq units
Perimeter
Perimeter = 4 × Side
Example: 4 × 10 = 40 units
Diagonal
Diagonal = Side × √2 ≈ Side × 1.414
Example: 10 × 1.414 ≈ 14.14 units