How to Convert a Percentage to a Decimal (Mathematics Lesson)
Converting a Percentage to a DecimalA percentage can be converted to a decimal.
How to Convert a Percentage to a DecimalConverting a percentage to a decimal is easy. Divide the percentage by 100.
An Example QuestionWhat is 20% as a decimal?
20 ÷ 100 = 0.2Note: Do not write the % (percent) sign after the decimal.
20% converted to a decimal is 0.2
A Real Example of How to Convert a Percentage to a DecimalThe slider below gives another example of converting a percentage to a decimal.
Here's a second test on converting a percentage to a decimal.
Here's a third test on converting a percentage to a decimal.
Short CutConverting a percentage to a decimal happens by dividing the percentage by. Dividing by 100 is equivalent to moving the decimal point 2 places to the left:
With practice, it should become easy to visualise this and write the answer down immediately:
1% → 0.01
9% → 0.09
36% → 0.36
72% → 0.72
100% → 1.00