What is the square root of 2?

Answer

1.414214

2 is not a perfect square1.414214² = 1.414214² ≈ 21.414214 × 1.414214 = ≈ 2

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How We Calculated This

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

√2 = 1.414214

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What is the square root of 1?1 (exact)What is the square root of 3?1.732051 What is the square root of 4?2 (exact)What is the square root of 5?2.236068 What is the square root of 6?2.449490

Calculated using verified formulas. Last updated March 2026.