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Square root of 62

√62 ≈ 7.874. The square root of 62 is about 7.874. 62 is not a perfect square, so √62 is irrational: its decimals never end or repeat.

√62 at a glance.
Value7.87400787
Rounded7.9 (1 dp) · 7.87 (2 dp) · 7.874 (3 dp)
Simplest radical form√62
Perfect square?No — between 7² = 49 and 8² = 64
62 squared3,844

Estimating √62 in your head

Start from the nearest perfect square, 8² = 64. 62 is 2 less than that. Divide the difference by twice the root, 16, and subtract it:

√62 ≈ 8 − 2 ÷ 16 ≈ 7.875

The true value is 7.874, so the one-step estimate is off by less than 0.001. The estimate always comes out slightly high, and it is closest when 62 is near a perfect square. The method is explained in estimating square roots in your head.

Can √62 be simplified?

No. 62 has no perfect-square factor besides 1, so √62 is already in simplest radical form.

Frequently asked questions

What is the square root of 62?

The square root of 62 is about 7.874. 62 is not a perfect square, so √62 is irrational: its decimals never end or repeat.

Is 62 a perfect square?

No. It lies between 7² = 49 and 8² = 64.

What is √62 in simplest radical form?

√62 is already in simplest form: 62 has no square factor other than 1.

Practise estimating square roots

Nearby: √61 · √63 · all square roots to 150