What is the Square Root of 121?

Instant answer with step-by-step solution

√121 = 11
√121 = 11
✓ 121 is a perfect square

Step-by-step explanation

  1. We need to find √121 — a number that when multiplied by itself equals 121.
  2. Check: is 121 a perfect square? Yes — because 11 × 11 = 121.
  3. Therefore √121 = 11
  4. Verification: 11² = 11 × 11 = 121 ✓
  5. 121 is a perfect square. Its square root is a whole number.

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Related calculations

Square root of 121121 square root√120 = 10.9544511501√122 = 11.0453610172√119 = 10.9087121146√123 = 11.0905365064√124 = 11.1355287257√118 = 10.8627804912

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Also see

Square Root Laws Square Root Chart Easiest Method Negative Square Roots