What is a Square Root?

The square root of a number is a number that, when multiplied by itself, returns the original number. For example: √81 = 9, so 9 × 9 = 81.

What is the nth Root?

To get the original number, you have to multiply the nth root of a number by itself n times. For example: 3rd root of 27 = 3 (3 × 3 × 3 = 27). The 4th root of 81 is 3 (3 × 3 × 3 × 3 = 81).

How Do We Use the Square Root Calculator?

You can find the square root and the nth root simultaneously with the free MathCalc square root calculator.

• Please enter the integer you wish to find the root of (e.g., 64).
• Type in the result for the nth root: 2 is the square root, 3 is the cube root, 4 is the fourth root, and so on.

How to calculate the Square Root?

In the example, enter the value 64 in the number bar to find the square root of 2. Then click on calculate, and you see the results in seconds.

How to calculate the cube Root?

Find the cube root of 125. In 1st step, enter 125 in the Number value bar and 3 in the Root (n) bar, and click on calculate. The result will appear in seconds without any error.

• Step 1: Formula: ⁿ√a = a^(1/n)
• Step 2: Calculation: 125^(1/3) = 5
• Step 3: This is the cube root: ∛125 = 5

Result: ⁿ√125 = 5

How to calculate the 4th root?

Find the 4th root of 125. In 1st step, enter 125 in the Number value bar and 4 in the Root (n) bar, and click on calculate. The result will appear in seconds without any error.

• Step 1: Formula: ⁿ√a = a^(1/n)
• Step 2: Calculation: 125^(1/4) = 3.3437015248821

Result: ⁿ√125 = 3.343702

How does the Square Root Calculator Work?

The mathematical formula for this square root calculator is nth root of x = x^(1/n).

• A perfect root number gives the exact answer. For example, √100 = 10
• If a number isn't a perfect root, it gives the exact answer. For example, √2 is about 1.4142.
• You can also use this free tool to work with decimal numbers, which makes it easy to find roots like √2.25.

Tips for the Best Result:

• Do not enter 0 in the Root (nth) field; the 0th root is undefined.
• Use decimals if needed.
• Double-check both fields before calculating.

Why use the MathCalc Calculator?

Get Quick Results

Finding the square root by hand can take time and effort, especially when dealing with decimal values. This free calculator gives accurate results in seconds. Finding the square root of 144 by hand can take time. The calculator instantly shows the result as 12.

Remove the Risk of Human Error

Manual math can lead to minor mistakes that cost you money or points. This tool uses proven formulas to make sure that your results are always right. To avoid miscalculations, use the MathCalc Square Root calculator. For example, if you are finding the Square root of 2.25 by hand, it is easy to make a mistake, but a calculator correctly gives 1.5.

Supports all Roots

This square root calculator works with all roots. From square root (2nd) to cube root (3rd) to any custom root (4th, 5th, etc).

Great for Students and Professionals

This free tool is invaluable for students and professionals, for example, in school assignments, engineering tasks, or real-life measurements.

FAQ

What is a Square root?

The square root of a number is a value that, when multiplied by itself, gives the original number. Example: √64 = 8, because 8 × 8 = 64.

Can I calculate the cube root or the 4th root with this tool?

This square root calculator works with all roots. From square root (2nd) to cube root (3rd) to any custom root (4th, 5th, etc).

What happens if I enter 0 in the Root(nth) field?

This calculator shows an error if you enter 0 in the root field because 0th is not defined.