Per Kelvin to Per Fahrenheit Converter
Quick answer: To convert Per Kelvin to Per Fahrenheit, multiply by 0.5555556. For example, 10 1/K is 5.555556 1/°F. One per kelvin equals 0.5555556 1/°F.
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Use the Per Kelvin to Per Fahrenheit Converter
Per Kelvin to Per Fahrenheit formula and what each symbol means
1/°F = 1/K × 0.5555556
| Symbol | Meaning |
|---|---|
| 1/K | Per kelvin |
| 1/°F | Per degree Fahrenheit |
Per Kelvin to Per Fahrenheit examples
1 1/K
1 1/K × 0.5555556 = 0.5555556 1/°F.
10 1/K
10 1/K × 0.5555556 = 5.555556 1/°F.
100 1/K
100 1/K × 0.5555556 = 55.55556 1/°F.
Per Kelvin compared with Per Fahrenheit
One 1/°F is 1.8 times as large as one 1/K, so your number gets smaller when you convert Per Kelvin to Per Fahrenheit and bigger when you convert back. If the answer is not smaller than what you typed, you multiplied instead of dividing.
About Per Kelvin and Per Fahrenheit
Per kelvin (1/K): Per kelvin, the SI unit of a thermal expansion coefficient. Per degree Fahrenheit (1/°F): Per Fahrenheit degree; as a unit it equals 1.8 per kelvin, so a material’s per-°F value is 5/9 of its per-kelvin value.
How to calculate Per Kelvin to Per Fahrenheit step by step
- Enter the value in 1/K (the starting unit).
- Multiply by 0.5555556, because 1 1/K = 0.5555556 1/°F.
- The product is the value in 1/°F. To go back, divide by 0.5555556 or multiply by 1.8.
Popular thermal expansion conversions
How to read your Per Kelvin to Per Fahrenheit result
Quick estimate: multiply by about 0.56 to get Per Fahrenheit from Per Kelvin; this is within 0.8% of the exact factor. Metals are typically in the range of roughly 10 to 25 ppm/°C, with steel near 12 and aluminium near 23.
| PER KELVIN | PER FAHRENHEIT |
|---|---|
| 1 | 0.5555556 |
| 2 | 1.111111 |
| 5 | 2.777778 |
| 10 | 5.555556 |
| 20 | 11.11111 |
| 50 | 27.77778 |
| 100 | 55.55556 |
| 1,000 | 555.5556 |
Per Fahrenheit to Per Kelvin: quick table
| PER FAHRENHEIT | PER KELVIN |
|---|---|
| 1 | 1.8 |
| 5 | 9 |
| 10 | 18 |
| 25 | 45 |
| 50 | 90 |
| 100 | 180 |
| 250 | 450 |
| 500 | 900 |
Common mistakes when calculating Per Kelvin to Per Fahrenheit
- Using a linear coefficient for volume expansion, which is roughly three times larger for solids.
- Dividing when you should multiply: from 1/K to 1/°F multiply by 0.5555556; from 1/°F to 1/K divide by 0.5555556.
Per Kelvin to Per Fahrenheit FAQ
How many 1/°F are in 1 1/K?
1 1/K equals 0.5555556 1/°F.
How many 1/K are in 1 1/°F?
1 1/°F equals 1.8 1/K.
Is 1 1/K = 0.5555556 1/°F an exact conversion?
The factor is shown rounded to 7 significant figures (0.5555556). The calculator above uses more digits.
What is a per kelvin (1/K)?
Per kelvin, the SI unit of a thermal expansion coefficient.
How can I estimate Per Kelvin to Per Fahrenheit in my head?
Quick estimate: multiply by about 0.56 to get Per Fahrenheit from Per Kelvin; this is within 0.8% of the exact factor.
What is 40 1/K in Per Fahrenheit?
40 1/K = 22.22222 1/°F (since 40 × 0.5555556).
What is 200 1/K in Per Fahrenheit?
200 1/K = 111.1111 1/°F (since 200 × 0.5555556).
What is 3 1/K in Per Fahrenheit?
3 1/K = 1.666667 1/°F (since 3 × 0.5555556).
How many decimals should I keep when converting 1/K to 1/°F?
Match the precision of your original measurement. For example, 5.555556 1/°F rounds to 5.56 1/°F at 3 significant figures; keep more digits only for engineering or scientific work.
More in Thermal Expansion converters
- ppm per °C to Per Fahrenheit Converter
- ppm per °C to Per Kelvin Converter
- ppm per °C to ppm per °F Converter
- ppm per °F to ppm per °C Converter
- ppm per °F to Per Fahrenheit Converter
- ppm per °F to Per Kelvin Converter
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Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors, BIPM: the International System of Units (SI)