THERMAL
Thermal expansion
Linear expansion coefficient per temperature interval.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result555556 ppm/°F1 1/K = 555556 ppm/°F
EVERYDAY · ENGINEERING · SCIENCE
1/K to ppm/°F Converter
Convert per kelvin (1/K) to parts per million per degree Fahrenheit (ppm/°F). Enter a value for an instant result, or use the examples and reverse conversion below.
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HOW IT IS CALCULATED
Convert through per kelvin
Enter a per kelvin value to calculate parts per million per degree Fahrenheit 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 1/K | 1/K | 1 |
| micrometre per metre kelvinfrom 1/K | µm/(m·K) | 1000000 |
| parts per million per kelvinfrom 1/K | ppm/K | 1000000 |
| per degree Fahrenheitfrom 1/K | 1/°F | 0.555556 |
| parts per million per degree Fahrenheitfrom 1/K | ppm/°F | 555556 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
1/K to ppm/°F Conversion Reference
Per Kelvin (1/K) and parts per million per degree Fahrenheit (ppm/°F) are units of thermal expansion. Use this page to convert in either direction.
Conversion Examples
| Per Kelvin (1/K) | Parts Per Million Per Degree Fahrenheit (ppm/°F) |
|---|---|
| 1 1/K | 555556 ppm/°F |
| 5 1/K | 2777780 ppm/°F |
| 10 1/K | 5555560 ppm/°F |
| 100 1/K | 55555600 ppm/°F |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
ppm/°F to 1/K (parts per million per degree Fahrenheit to per kelvin)