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# Converting a Percentage to a Decimal

(KS3, Year 7)

## The Lesson

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.## Question

What is 20% as a decimal?## Step-by-Step:

# 1

Divide the percentage (20) by 100.

20 ÷ 100 = 0.2

**Note:**Do not write the**%**(percent) sign after the decimal.## Answer:

20% converted to a decimal is 0.2.## 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

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