What percentage is 18 out of 21
Percentage Calculator
Using this tool you can find any percentage in three ways. So, we think you reached us looking for answers like: 1) What is 18 percent (%) of 21? 2) 18 is what percent of 21? Or may be: What percentage is 18 out of 21?
See the solutions to these problems below.
How to work out percentages - Step by Step
Here are the solutions to the questions stated above:
1) What is 18% of 21?
Always use this formula to find a percentage:
% / 100 = Part / Whole replace the given values:
18 / 100 = Part / 21
Cross multiply:
18 x 21 = 100 x Part, or
378 = 100 x Part
Now, divide by 100 and get the answer:
Part = 378 / 100 = 3.78
2) What is 18 out of 21?
This question is equivalent to: "18 is what percent of 21?" Or What percent 18 is out of 21?
Use again the same percentage formula:
% / 100 = Part / Whole replace the given values:
% / 100 = 18 / 21
Cross multiply:
% x 21 = 18 x 100
Divide by 21 to get the percentage:
% = (18 x 100) / 21 = 85.714285714286%
A shorter way to calculate x out of y
You can easily find 18 is out of 21, in one step, by simply dividing 18 by 21, then multiplying the result by 100. So,
18 is out of 21 = 18/21 x 100 = 85.714285714286%
To find more examples, just choose one at the bottom of this page.
See also:
Sample Percent Calculations
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