# What is 21% of 165?

Learn how to calculate what 21% of 165 is without using a fancy percentage calculator. In this brief, step by step guide, we'll show you exactly how to work out the percentage of literally any number. It'll take you less than one minute to do and give you all the knowledge you need to work out future percentages manually - all by yourself!

In a rush and just need to know the answer? **21% of 165 is 34.65**.

## Calculate 21% of 165

There are many reasons why you might want to calculate the percentage of a number. In every day life we use percentages all the time (sometimes without even knowing it) to understand the world around us.

For example: let's say you're in a store looking to get a sweet Black Friday sale. The new PlayStation you want is currently 35% off the usual price of $899. How much are you going to pay? By knowing how to quickly calculate percentages, you can figure that answer out.

Another might be that when you actually come to pay for that PlayStation, you have to pay sales tax. Now you need to add a percentage to the amount you have. Again, we can learn how to do all of these calculations in our head.

Of course, you can alwayd ask Siri to help you out or type the question into a Google search (which is probably how you found this little page on the internet) but you can actually work out the percentage of a number very easily without having to resort to technology. For our little example here, we want to know what 21% of 165 is. Let's do some quick math together and work it out.

The easiest way to work this out is to take the number we want to work out the percentage of, which is 165, and divide it by 100. Why do we do this? Well "percent" really means one part in every hundred, which is what we want to calculate.

Once we have that value, all we need to do to work out the answer is multiply it by our first number, 21:

1.65 x 21 = 34.65

That's literally all there is to it. You can use this method to work out and calculate the percentage of any number. If you're feeling extra fancy and want to know what the formula is for calculating the percentage, let's take a look at that too:

P * X = Y

- P = the number we got by dividing 165 by 100
- X = the percentage we want to work out, 21
- Y = the final answer, 34.65

As you can see, percentages are often very easy math problems to solve. Sometimes if you are dealing with decimal points and large numbers, you may reach for the calculator to help you out, but at least it saves you the embarassment of being out in public and yelling "Hey Siri, what is 21% of 165?" into your phone.

Head back to the percentage calculator to work out any more calculations you need to make or be brave and give it a go by hand. Hopefully this article has shown you that it's easier than you might think!

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*VisualFractions.com*, https://visualfractions.com/percentage-calculator/what-is-21-percent-of-165/. Accessed 18 September, 2021.What is 21% of 165?. VisualFractions.com. Retrieved from https://visualfractions.com/percentage-calculator/what-is-21-percent-of-165/.