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Square root of 44

√44 ≈ 6.6332. The square root of 44 is about 6.6332, which simplifies to 2√11. 44 is not a perfect square, so √44 is irrational: its decimals never end or repeat.

√44 at a glance.
Value6.63324958
Rounded6.6 (1 dp) · 6.63 (2 dp) · 6.633 (3 dp)
Simplest radical form2√11
Perfect square?No — between 6² = 36 and 7² = 49
44 squared1,936

Estimating √44 in your head

Start from the nearest perfect square, 7² = 49. 44 is 5 less than that. Divide the difference by twice the root, 14, and subtract it:

√44 ≈ 7 − 5 ÷ 14 ≈ 6.643

The true value is 6.6332, so the one-step estimate is off by about 0.01. The estimate always comes out slightly high, and it is closest when 44 is near a perfect square. The method is explained in estimating square roots in your head.

Simplifying √44

Find the largest perfect square that divides 44: it is 4, since 44 = 4 × 11. Take its root outside: √44 = √4 × √11 = 2√11.

Frequently asked questions

What is the square root of 44?

The square root of 44 is about 6.6332, which simplifies to 2√11. 44 is not a perfect square, so √44 is irrational: its decimals never end or repeat.

Is 44 a perfect square?

No. It lies between 6² = 36 and 7² = 49.

What is √44 in simplest radical form?

√44 = √(4 × 11) = 2√11.

Practise estimating square roots

Nearby: √43 · √45 · all square roots to 150