Square roots·50
50 =
5√2
≈ 7.071068

Square root of 50 — 7.071068 (5√2)

Irrational

The square root of 50 is about 7.071068, or exactly 5√2. It lies between 7 and 8.

As a decimal
≈ 7.071068
Simplified surd
√50 = 5√2
Between
7 < √50 < 8
Squared
50² = 2500
Cube root
∛50 ≈ 3.684031

How the surd is simplified

Pull out the largest square factor. Since 50 = 25 × 2, the root of 25 comes out as 5 and the 2 stays behind: 5√2.

50 = √(25 × 2) = 5√2

Nearby numbers

From 1 to 200

How to read this

  • The decimal is rounded; the surd form is the exact value.
  • Pulling out a square factor simplifies the surd — √50 = 5√2.
  • If the number is not a perfect square, the decimal never ends (irrational).
  • Knowing which two integers it sits between is enough to estimate in your head.

Frequently asked questions

Q. What is the square root of 50?

About 7.071068, or exactly 5√2.

Q. Can the surd be simplified?

Yes: 50 = 25 × 2, so 5 comes out and it becomes 5√2.

Q. Between which integers does it fall?

Between 7 and 8.

Q. What is the cube root of 50?

About 3.684031.