Rule Of 144 Calculator


In the realm of mathematical calculations, certain formulas stand out for their simplicity and utility. One such formula is the Rule of 144, a quick method for finding the square root of any number. This article will delve into the concept of the Rule of 144 and provide a practical implementation through a JavaScript calculator.

How to Use

Simply input the number you wish to find the square root of, and click the “Calculate” button to see the result.


The Rule of 144 states that to find the square root of any number, divide the number by 144. Mathematically, it can be expressed as:

Where N is the number for which you want to find the square root.

Example Solve

Let’s say we want to find the square root of 5184 using the Rule of 144:

So, the square root of 5184 is 36.


Q: Is the Rule of 144 accurate for finding square roots?
A: Yes, the Rule of 144 provides an accurate approximation for finding square roots.

Q: Can I use the Rule of 144 for any number?
A: Yes, the Rule of 144 works for any number, providing a quick estimation of its square root.

Q: Is the Rule of 144 widely used in mathematics?
A: While it may not be as commonly used as other methods, the Rule of 144 is still a valuable tool for quick mental calculations.


The Rule of 144 calculator offers a simple and efficient way to find square roots, particularly for mental calculations or quick estimations. By understanding the concept behind this rule and utilizing the provided calculator, users can streamline their mathematical processes with ease.

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