42.21 as a Decimal

When you ask, "What is 42.21 as a decimal?", we assume you want to know what 42.21 percent is as a decimal. In other words, 42.21 percent converted to decimal.

First, we will tell you why it is useful to know 42.21 as a decimal.

Normally, to calculate 42.21 percent, you would multiply a number by 42.21 percent and then you would take the product of that and divide it by 100 to get the answer.

Instead, you can simply multiply a number by 42.21 as a decimal to get the answer.

42.21 percent means 42.21 per hundred. Therefore, to get 42.21 as a decimal, all you have to do is divide 42.21 by 100 like so:

42.21 ÷ 100 = 0.4221

Shortcut: When you divide anything by 100, just move the decimal point two places to the left.

Percent as a Decimal
Need another percent as a decimal? Convert another percent to decimal below:

42.22 as a Decimal
Here is the next percent in our How-to Catalog that we converted to a decimal.

Remember This:
42.21 as a decimal is 0.4221 and you can multiply 0.4221 by a number to get 42.21 percent of that number.