# What is 15% of 64? The Ultimate Guide!

Have you ever wondered what 15% of 64 is? Whether you are calculating the tip at a restaurant or trying to solve a math problem, understanding percentages and their calculations is an important skill. In this ultimate guide, we will explore what 15% of 64 is and how to calculate it, as well as answer some common questions related to percentages.

## What is a percentage?

A percentage is a way of expressing a value in relation to a whole. It is a number or ratio expressed as a fraction of 100. For example, 15% means 15 out of 100.

## How to calculate 15% of 64?

To calculate 15% of 64, you can use the following formula:

 Percentage Number Result 15% 64 9.6

So, 15% of 64 is 9.6.

## How to calculate percentages?

The formula for calculating a percentage is:

 Percentage Number Result P% x (P/100) * x

Here, P is the percentage that you want to calculate and x is the number you want to calculate the percentage of.

### Example:

What is 20% of 50?

 Percentage Number Result 20% 50 10

So, 20% of 50 is 10.

## How to convert percentages to decimals?

To convert a percentage to a decimal, divide the percentage by 100 or move the decimal point two places to the left. For example:

• 50% = 0.50
• 75% = 0.75
• 10% = 0.10

## How to convert decimals to percentages?

To convert a decimal to a percentage, multiply the decimal by 100 or move the decimal point two places to the right. For example:

• 0.50 = 50%
• 0.75 = 75%
• 0.10 = 10%

## Common Percentages:

Some common percentages that you may encounter are:

• 10%
• 15%
• 20%
• 25%
• 30%
• 40%
• 50%
• 75%
• 100%

## Uses of Percentages:

Percentages are used in various fields, some of which include:

• Finance and Accounting
• Statistics
• Education
• Science

## Mistakes to avoid when calculating percentages:

When calculating percentages, some common mistakes that you should avoid include:

• Not converting a decimal to a percentage before using it in a calculation
• Forgetting to add or subtract the percentage from the original value

## Conclusion:

Knowing how to calculate percentages is an important skill that you can use in various aspects of life. Remember to convert percentages to decimals and vice versa when necessary, and always double-check your calculations to avoid mistakes.