THERMAL
Thermal expansion
Linear expansion coefficient per temperature interval.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result1.8 ppm/K1 ppm/°F = 1.8 ppm/K
EVERYDAY · ENGINEERING · SCIENCE
ppm/°F to ppm/K Converter
Convert parts per million per degree Fahrenheit (ppm/°F) to parts per million per kelvin (ppm/K). Enter a value for an instant result, or use the examples and reverse conversion below.
520units ready to convert
HOW IT IS CALCULATED
Convert through per kelvin
Enter a parts per million per degree Fahrenheit value to calculate parts per million per kelvin with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| per kelvinfrom ppm/°F | 1/K | 0.0000018 |
| micrometre per metre kelvinfrom ppm/°F | µm/(m·K) | 1.8 |
| parts per million per kelvinfrom ppm/°F | ppm/K | 1.8 |
| per degree Fahrenheitfrom ppm/°F | 1/°F | 0.000001 |
| parts per million per degree Fahrenheitfrom ppm/°F | ppm/°F | 1 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
ppm/°F to ppm/K Conversion Reference
Parts Per Million Per Degree Fahrenheit (ppm/°F) and parts per million per kelvin (ppm/K) are units of thermal expansion. Use this page to convert in either direction.
Conversion Examples
| Parts Per Million Per Degree Fahrenheit (ppm/°F) | Parts Per Million Per Kelvin (ppm/K) |
|---|---|
| 1 ppm/°F | 1.8 ppm/K |
| 5 ppm/°F | 9 ppm/K |
| 10 ppm/°F | 18 ppm/K |
| 100 ppm/°F | 180 ppm/K |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
ppm/K to ppm/°F (parts per million per kelvin to parts per million per degree Fahrenheit)