Square formulas
Use this guide to understand how each square measurement is derived.
P = 4 × a • A = a² • d = a × √2
- Perimeter: multiply the side length by four.
- Area: square the side length (a × a).
- Diagonal: multiply the side by √2.
All calculations assume the same unit for every measurement.
1
Enter the side length using any positive number.
2
Press Calculate to process the square instantly.
3
Adjust the value to explore different square sizes.
