What is the square root of 45?

Answer

6.708204

45 is not a perfect square6.708204² = 6.708204² ≈ 456.708204 × 6.708204 = ≈ 45

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How We Calculated This

√n — the number which, multiplied by itself, equals n

√45 = 6.708204

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Calculated using verified formulas. Last updated March 2026.