Calculator for Percentage of A Number

Enter a Number: Percentage: Calculate

 

Introduction

Calculating the percentage of a number is a common task in various fields, ranging from finance to education. To simplify this process, a user-friendly calculator can be a valuable tool. In this article, we will provide you with a working HTML and JS code for a percentage calculator that accurately computes the percentage of a given number.

How to Use

Using the percentage calculator is straightforward. Enter the numerical value in the input field labeled “Enter a Number,” and input the percentage you want to calculate in the “Percentage” field. Click the “Calculate” button, and the result will be displayed instantly.

Formula

The formula for calculating the percentage of a number is:

Percentage=(PartWhole)×100

Where:

• $\text{Percentage}$ is the result we are calculating.
• $\text{Part}$ is the portion of the whole that we are interested in.
• $\text{Whole}$ is the complete or total value.

Example

Suppose we want to find 20% of 150. Using our formula:

Percentage=(15020​)×100

$\text{Percentage}=0.1333\times 100$

$\text{Percentage}=13.33\%$

So, 20% of 150 is 13.33.

FAQs

Q: Can I enter decimal numbers as inputs?

A: Yes, the calculator accepts both whole and decimal numbers for accurate calculations.

Q: Is the calculator suitable for any percentage calculation?

A: Absolutely, whether you’re calculating discounts, tips, or any other percentage, this calculator fits the bill.

Q: Why does the result have two decimal places?

A: Rounding the result to two decimal places provides a cleaner and more readable output.

Conclusion

In conclusion, this HTML and JS percentage calculator provides a user-friendly interface for quick and accurate percentage calculations. It can be a valuable asset in various scenarios, saving time and ensuring precision.