What is % of ?

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### X is Y Percent of What Calculator

is % of what?

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.

If you are looking for a

### 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 y

You 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%

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