# How to Convert a Percentage to a Decimal (Mathematics Lesson)

# Converting a Percentage to a Decimal

A percentage can be converted to a decimal.# How to Convert a Percentage to a Decimal

Converting a percentage to a decimal is easy. Divide the percentage by 100.#### An Example Question

What is 20% as a decimal?Step 1

20 ÷ 100 = 0.2

**Note:**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 Decimal

The slider below gives another example of converting a percentage to a decimal.##### Interactive Test

**show**

Here's a second test on converting a percentage to a decimal.

Here's a third test on converting a percentage to a decimal.

##### Top Tip

# Short Cut

Converting 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

9% → 0.09

36% → 0.36

72% → 0.72

100% → 1.00