What is the Square Root of 442?

Instant answer with step-by-step solution

√442 = 21.0237960416
√442 = 21.0237960416
⚠ 442 is not a perfect square — result rounded to 10 significant figures

Step-by-step explanation

  1. We need to find √442 — a number that when multiplied by itself equals 442.
  2. 442 is not a perfect square. Its square root is irrational.
  3. It falls between √441 = 21 and √484 = 22.
  4. Using the formula √N = N^(1/2): √442 = 442^0.5 = 21.0237960416
  5. Verification: 21.0237960416 × 21.0237960416 ≈ 442 ✓ (rounded to 10 significant figures)

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Related calculations

Square root of 442442 square root√441 = 21√443 = 21.0475651798√440 = 20.9761769634√444 = 21.0713075057√445 = 21.0950231097√439 = 20.9523268398

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Square Root Laws Square Root Chart Easiest Method Negative Square Roots