The square root of **0.21** is **0.458257569. **In this tutorial, I will show you how to calculate the square root of **0.21**. We can represent it mathematically as **sqrt(0.21)
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**What is Square root?
**

The square root of a number X is Y whereby Y² is equal to X. The square root symbol is √ which is also known as radix or the radical sign.

**How to find the square root of 0.21**

**Step 1:** To find the Square Root of **0.21 **we need to split it into two parts.

**Whole number **= **0**

**Decimal Part** = **0.21**

**Step 2:** The square root of zero is zero. Therefore we can move on to find the square root of the decimal part. You can find the square root of this part using your favorite methods such as long division or prime factorization method.

The square root of **0.21 **is **0.458257569
**

**Step 3:** Now join the whole number part which is **0** with the square root of the decimal part which is **0.458257569** to make it complete. The final answer is:

**0.458257569**

NOTE |

If the square root of the decimal part contains decimals you have to ignore the decimal point because you cannot have two decimals in a number. |

**Square Root of a Decimal Calculator
**

Use the calculator below to find the square root of another decimal