The SI unit used to define length per temperature is the metre per degree Celsius, m/°C.

Factors in boldface are exact.

Convert	From	To	Multiply	Std
metre per degree Fahrenheit	m/°F	m/°C	1.8	2
centimetre per degree Celsius	cm/°C	m/°C	0.01	1
centimetre per degree Fahrenheit	cm/°F	m/°C	0.018	3
millimetre per degree Celsius	mm/°C	m/°C	0.001	1
millimetre per degree Fahrenheit	mm/°F	m/°C	0.0018	3
feet per degree Celsius	ft/°C	m/°C	0.3048	1
feet per degree Fahrenheit	ft/°F	m/°C	0.54864	3
inches per degree Celsius	in/°C	m/°C	0.0254	1
inches per degree Fahrenheit	in/°F	m/°C	0.04572	3

1: BS 350:2004 Section 3

2: BS 350:2004 Section 39

3: BS 350:2004 Section 3 & BS 350:2004 Section 39

 

 

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