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What is the square root of 15?

Answer
3.872983
15 is not a perfect square3.872983² = 3.872983² ≈ 153.872983 × 3.872983 = ≈ 15

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How We Calculated This

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

√15 = 3.872983

Related Calculations

What is the square root of 1?1 (exact)What is the square root of 2?1.414214What is the square root of 3?1.732051What is the square root of 4?2 (exact)What is the square root of 5?2.236068

Calculated using verified formulas. Last updated March 2026.