Per degree Celsius (1/°C)
Relative change in size per degree Celsius. Equal to per kelvin, because the degree sizes are equal.
What is a reciprocal degree Celsius?
- Symbol
- 1/°C
- Quantity
- Thermal Expansion
- Unit system
- SI
- Definition
- Relative change in size per degree Celsius. Equal to per kelvin, because the degree sizes are equal.
- Exact
- Yes, the value is exact by definition
- Source
- SI Brochure, 9th edition (BIPM, 2019)
Common applications
Used in engineering handbooks and material data sheets for expansion coefficients. It is interchangeable with per kelvin.
Per degree Celsius in other thermal expansion units
- 1 1/°C = 1 1/KPer kelvin
- 1 1/°C ≈ 0.5555555556 1/°FPer degree Fahrenheit
- 1 1/°C = 1000000 ppm/KPart per million per kelvin
- 1 1/°C ≈ 555555.5556 ppm/°FPart per million per degree Fahrenheit
Per degree Celsius quick reference
| Per degree Celsius | Part per million per kelvin | Part per million per degree Fahrenheit | Per kelvin |
|---|---|---|---|
| 1 1/°C | = 1000000 ppm/K | ≈ 555555.5556 ppm/°F | = 1 1/K |
| 10 1/°C | = 10000000 ppm/K | ≈ 5555555.556 ppm/°F | = 10 1/K |
| 100 1/°C | = 100000000 ppm/K | ≈ 55555555.56 ppm/°F | = 100 1/K |
| 1000 1/°C | = 1000000000 ppm/K | ≈ 555555555.6 ppm/°F | = 1000 1/K |
Where the reciprocal degree Celsius fits
The next smaller thermal expansion unit is the part per million per degree Fahrenheit (ppm/°F). 1 1/°C ≈ 555555.5556 ppm/°F, and 1 ppm/°F = 0.0000018 1/°C.
The next larger thermal expansion unit is the reciprocal degree Fahrenheit (1/°F). 1 1/°C ≈ 0.5555555556 1/°F, and 1 1/°F = 1.8 1/°C.
Frequently asked questions
- How many parts per million per kelvin are in one reciprocal degree Celsius?
- One reciprocal degree Celsius = 1000000 ppm/K (parts per million per kelvin).
- How many parts per million per degree Fahrenheit are in one reciprocal degree Celsius?
- One reciprocal degree Celsius ≈ 555555.5556 ppm/°F (parts per million per degree Fahrenheit).
- How many reciprocal kelvins are in one reciprocal degree Celsius?
- One reciprocal degree Celsius = 1 1/K (reciprocal kelvins).