### What is X percent of Y Calculator?Please change values of the two first boxes of each calculator below to get answers to any combination of values. See details on how to calculate discounts, as well as, our discount calculator below to figure out percentages.

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What is % of ?

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### X out of Y as a Percentage Calculator

What is out of ?

Answer: %

### X is Y Percent of What Calculator

is % of what?

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Using this tool you can find any percentage in three ways. So, we think you reached us looking for answers like:1) What is 15 percent (%) of one-billion?2) 15 is what percent of one-billion?Or may be: How much is 15 of one billion?

See the solutions to these problems below.

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Discount Calculator, please click here.### 1) What is 15% of 1000000000?

Always use this formula to find a percentage:

% / 100 = Part / Whole replace the given values:

15 / 100 = Part / 1000000000

Cross multiply:

15 x 1000000000 = 100 x Part, or

15000000000 = 100 x Part

Now, divide by 100 and get the answer:

Part = 15000000000 / 100 = 150000000

### 2) What is 15 out of 1000000000?

This question is equivalent to: "15 is what percent of 1000000000?" Or What percent 15 is out of 1000000000?

Use again the same percentage formula:

% / 100 = Part / Whole replace the given values:

% / 100 = 15 / 1000000000

Cross multiply:

% x 1000000000 = 15 x 100

Divide by 1000000000 to get the percentage:

% = (15 x 100) / 1000000000 = 1.5E-6%

A shorter way to calculate x out of yYou can easily find 15 is out of 1000000000, in one step, by simply dividing 15 by 1000000000, then multiplying the result by 100. So,

15 is out of 1000000000 = 15/1000000000 x 100 = 1.5E-6%

To find more examples, just choose one at the bottom of this page.

### See also:

## Sample Percent Calculations

### Percentage Calculator

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