What is the Square Root of 55?

Instant answer with step-by-step solution

√55 = 7.4161984871
√55 = 7.4161984871
⚠ 55 is not a perfect square — result rounded to 10 significant figures

Step-by-step explanation

  1. We need to find √55 — a number that when multiplied by itself equals 55.
  2. 55 is not a perfect square. Its square root is irrational.
  3. It falls between √49 = 7 and √64 = 8.
  4. Using the formula √N = N^(1/2): √55 = 55^0.5 = 7.4161984871
  5. Verification: 7.4161984871 × 7.4161984871 ≈ 55 ✓ (rounded to 10 significant figures)

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Related calculations

Square root of 5555 square root√54 = 7.3484692283√56 = 7.4833147735√53 = 7.2801098893√57 = 7.5498344353√58 = 7.6157731059√52 = 7.2111025509

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Square Root Laws Square Root Chart Easiest Method Negative Square Roots