Ajax Calculator

Square Root Calculator

Square Root Calculator

Enter a number x or its square root √x. The other field updates automatically in real time.

🔢 Number (x) ?
i
Tip: If x has area units, √x will be a length in the matching unit.
📐 Square root (√x) ?
i
Entering √x will immediately compute x = (√x)².
🧮 Results & step-by-step derivation
Results appear as you type.
Algebraic derivation
We’ll show the symbolic and numeric steps here.
📚 Quick reference: perfect squares (1–12)
n√(n²)