What is the square root of 155?

Answer

12.449900

155 is not a perfect square12.449900² = 12.449900² ≈ 15512.449900 × 12.449900 = ≈ 155

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How We Calculated This

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

√155 = 12.449900

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Calculated using verified formulas. Last updated March 2026.