calculator work out percentage

Original Value: Percentage: Calculate Result:

 

Introduction

Calculating percentages is a common task in various fields, from finance to academics. To streamline this process, creating a user-friendly percentage calculator can be incredibly helpful. In this article, we’ll provide a simple yet powerful HTML and JavaScript code for a percentage calculator.

How to Use

1. Input the original value into the designated field.
2. Input the percentage you want to calculate.
3. Click the “Calculate” button to get the result instantly.

Formula

The formula for calculating a percentage is straightforward:

Percentage=(PartWhole)×100

Where:

• $\text{Percentage}$ is the result we’re looking for.
• $\text{Part}$ is the value you want to find the percentage of.
• $\text{Whole}$ is the total value.

Example 

Suppose you want to find 20% of 150. Using the formula:

Percentage=(20150)×100Percentage=(15020​)×100

Calculating this will yield the result: 13.33%. Our calculator will provide the same result in a matter of seconds.

FAQs

Q: Can I use decimals for percentage calculations?

A: Yes, our calculator handles decimal values for both the original value and the percentage input.

Q: What if I want to calculate the original value from a given percentage?

A: This calculator is designed for finding the result of a percentage. To calculate the original value, rearrange the formula accordingly.

Q: Why does the result have two decimal places?

A: Rounding to two decimal places provides a reasonable level of precision for most percentage calculations.

Conclusion

Creating a percentage calculator using HTML and JavaScript is a valuable addition to your toolkit. Whether you’re a student, professional, or anyone dealing with percentages, this calculator simplifies the process, providing accurate results instantly.