Decimal to percent

Convert Decimals to Percents
http://www.mathsisfun.com/converting-decimals-percents.html 8.17.2011

Just move the decimal point 2 places to the right and add a "%" sign!

Convert From Decimal to Percent

http://www.mathsisfun.com/images/grid-50-100.gif

In this box 50 of the 100 squares are green, so 50/100 , or 0.5 of the box is green.

Now, Percentage means "per 100", so 50% of the box is green.

So 0.5 (a decimal number) = 50%

(the "%" tells you that there is a hidden "/100" there)



So, to convert from decimal to percentage, just multiply the decimal by 100, but remember to put the "%" sign so people know it is per 100.

The Easy Way

The easy way to multiply by 100 is to move the decimal point 2 places to the right. so:

From Decimal

To Percent

 

http://www.mathsisfun.com/images/decimal-to-percent.gif

move the decimal point 2 places to the right, and add the "%" sign.

 

Example: Convert 0.65 to percent

Move the decimal point two places to the right: 0.65 -> 6.5 -> 65.

Answer 0.65 = 65%

 

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