R3CK0N

Square root of 97

√97 ≈ 9.8489. The square root of 97 is about 9.8489. 97 is not a perfect square, so √97 is irrational: its decimals never end or repeat.

√97 at a glance.
Value9.8488578
Rounded9.8 (1 dp) · 9.85 (2 dp) · 9.849 (3 dp)
Simplest radical form√97
Perfect square?No — between 9² = 81 and 10² = 100
97 squared9,409

Estimating √97 in your head

Start from the nearest perfect square, 10² = 100. 97 is 3 less than that. Divide the difference by twice the root, 20, and subtract it:

√97 ≈ 10 − 3 ÷ 20 ≈ 9.85

The true value is 9.8489, so the one-step estimate is off by about 0.001. The estimate always comes out slightly high, and it is closest when 97 is near a perfect square. The method is explained in estimating square roots in your head.

Can √97 be simplified?

No. 97 has no perfect-square factor besides 1, so √97 is already in simplest radical form.

Frequently asked questions

What is the square root of 97?

The square root of 97 is about 9.8489. 97 is not a perfect square, so √97 is irrational: its decimals never end or repeat.

Is 97 a perfect square?

No. It lies between 9² = 81 and 10² = 100.

What is √97 in simplest radical form?

√97 is already in simplest form: 97 has no square factor other than 1.

Practise estimating square roots

Nearby: √96 · √98 · all square roots to 150