Thermal Expansion Coefficient Conversion Chart

Printable thermal expansion coefficient conversion tables for the most-used conversions. Values are exact or rounded to 6 significant figures. Free to print and share with the credit line “Scientific Converters (scientificconverters.com)”.

Download PNG chart Open the Thermal Expansion Coefficient Converter

ppm per kelvin to ppm per degree Fahrenheit

ppm per kelvin to ppm per degree Fahrenheit conversion chart
ppm/K	ppm/°F
0.5	0.277778
1	0.555556
3	1.66667
4	2.22222
9	5
12	6.66667
13	7.22222
16.5	9.16667
17.3	9.61111
23.1	12.8333
50	27.7778
100	55.5556

per kelvin to per degree Fahrenheit

per kelvin to per degree Fahrenheit conversion chart
K⁻¹	°F⁻¹
0.0000005	2.77778 × 10⁻⁷
0.000001	5.55556 × 10⁻⁷
0.000009	0.000005
0.000012	0.00000666667
0.000017	0.00000944444
0.0000231	0.0000128333
0.00005	0.0000277778
0.0001	0.0000555556
0.00021	0.000116667
0.001	0.000555556

ppm per degree Fahrenheit to ppm per kelvin

ppm per degree Fahrenheit to ppm per kelvin conversion chart
ppm/°F	ppm/K
0.3	0.54
1	1.8
3	5.4
5	9
6.5	11.7
7	12.6
9.6	17.28
12.8	23.04
20	36
50	90

per degree Fahrenheit to per kelvin

per degree Fahrenheit to per kelvin conversion chart
°F⁻¹	K⁻¹
0.0000003	5.4 × 10⁻⁷
0.0000005	9 × 10⁻⁷
0.000005	0.000009
0.0000065	0.0000117
0.0000096	0.00001728
0.0000128	0.00002304
0.00003	0.000054
0.00005	0.00009
0.0001	0.00018
0.0005	0.0009

Source: Scientific Converters (scientificconverters.com), data version 2026-10-15. Factors from NIST SP 811 and the BIPM SI Brochure. Licence: CC BY 4.0.