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Convert Temperature Between Celsius and Fahrenheit

In this worksheet, students will convert temperature between Celsius and Fahrenheit using a given formula.

'Convert Temperature Between Celsius and Fahrenheit' worksheet

Key stage:  KS 3

Year:  Year 9 Maths worksheets

Curriculum topic:   Ratio, Proportion and Rates of Change

Curriculum subtopic:   Change Between Related Standard Units

Difficulty level:  

Worksheet Overview

In this activity, we will convert units of temperature using a formula.

You will need a calculator!


a purple calculator


We have two standard measures of temperature in this country.

We used to use Fahrenheit (F), which is still used in the USA.

We now mostly use Celsius (oC), which is used in most of Europe.


There is a formula to convert between them:


Celsius to Fahrenheit

Fahrenheit (oF)  =  Celsius (oC) x 1.8 + 32



Fahrenheit to Celsius

Celsius (oC) = (Fahrenheit (oF) - 32) ÷ 1.8


Let's look at a typical question.  



Convert 22oC  into o



We use the formula: Fahrenheit (oF)  =  Celsius (oC) x 1.8 + 32

oF = 22 x 1.8 + 32

oF = 39.6 + 32

oF = 71.6oF


a thermometer


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