Per Kelvin to ppm per °F Converter
Quick answer: To convert Per Kelvin to ppm per °F, multiply by 555,555.6. For example, 10 1/K is 5,555,556 ppm/°F. One per kelvin equals 555,555.6 ppm/°F.
- Calculator
- Formula
- Examples
- Size compared
- About the units
- Step by step
- Popular conversions
- Reading your result
- Mistakes
- FAQ
- Related tools
- Method
Use the Per Kelvin to ppm per °F Converter
Per Kelvin to ppm per °F formula and what each symbol means
ppm/°F = 1/K × 555,555.6
| Symbol | Meaning |
|---|---|
| 1/K | Per kelvin |
| ppm/°F | Parts per million per °F |
Per Kelvin to ppm per °F examples
1 1/K
1 1/K × 555,555.6 = 555,555.6 ppm/°F.
10 1/K
10 1/K × 555,555.6 = 5,555,556 ppm/°F.
100 1/K
100 1/K × 555,555.6 = 55,555,560 ppm/°F.
Per Kelvin compared with ppm per °F
One 1/K is 555,600 times as large as one ppm/°F, so your number gets bigger when you convert Per Kelvin to ppm per °F and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.
About Per Kelvin and ppm per °F
Per kelvin (1/K): Per kelvin, the SI unit of a thermal expansion coefficient. Parts per million per °F (ppm/°F): Parts per million per Fahrenheit degree; as a unit it equals 1.8×10⁻⁶ per kelvin.
How to calculate Per Kelvin to ppm per °F step by step
- Enter the value in 1/K (the starting unit).
- Multiply by 555,555.6, because 1 1/K = 555,555.6 ppm/°F.
- The product is the value in ppm/°F. To go back, divide by 555,555.6 or multiply by 0.0000018.
Popular thermal expansion conversions
How to read your Per Kelvin to ppm per °F result
Quick estimate: multiply by about 560,000 to get ppm per °F 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 | PPM PER °F |
|---|---|
| 1 | 555,555.6 |
| 2 | 1,111,111 |
| 5 | 2,777,778 |
| 10 | 5,555,556 |
| 20 | 11,111,110 |
| 50 | 27,777,780 |
| 100 | 55,555,560 |
| 1,000 | 555,555,600 |
ppm per °F to Per Kelvin: quick table
| PPM PER °F | PER KELVIN |
|---|---|
| 1 | 0.0000018 |
| 5 | 0.000009 |
| 10 | 0.000018 |
| 25 | 0.000045 |
| 50 | 0.00009 |
| 100 | 0.00018 |
| 250 | 0.00045 |
| 500 | 0.0009 |
Common mistakes when calculating Per Kelvin to ppm per °F
- Using a linear coefficient for volume expansion, which is roughly three times larger for solids.
- Dividing when you should multiply: from 1/K to ppm/°F multiply by 555,555.6; from ppm/°F to 1/K divide by 555,555.6.
Per Kelvin to ppm per °F FAQ
How many ppm/°F are in 1 1/K?
1 1/K equals 555,555.6 ppm/°F.
How many 1/K are in 1 ppm/°F?
1 ppm/°F equals 0.0000018 1/K.
Is 1 1/K = 555,555.6 ppm/°F an exact conversion?
The factor is shown rounded to 7 significant figures (555,555.6). The calculator above uses more digits.
What is a parts per million per °F (ppm/°F)?
Parts per million per Fahrenheit degree; as a unit it equals 1.8×10⁻⁶ per kelvin.
How can I estimate Per Kelvin to ppm per °F in my head?
Quick estimate: multiply by about 560,000 to get ppm per °F from Per Kelvin; this is within 0.8% of the exact factor.
What is 0.5 1/K in ppm per °F?
0.5 1/K = 277,777.8 ppm/°F (since 0.5 × 555,555.6).
What is 25 1/K in ppm per °F?
25 1/K = 13,888,890 ppm/°F (since 25 × 555,555.6).
What is 80 1/K in ppm per °F?
80 1/K = 44,444,440 ppm/°F (since 80 × 555,555.6).
How many decimals should I keep when converting 1/K to ppm/°F?
Match the precision of your original measurement. For example, 5,555,556 ppm/°F rounds to 5,560,000 ppm/°F at 3 significant figures; keep more digits only for engineering or scientific work.
More in Thermal Expansion converters
- ppm per °C to ppm per °F Converter
- Per Fahrenheit to ppm per °F Converter
- ppm per °F to Per Fahrenheit Converter
- Per Fahrenheit to ppm per °C Converter
- Per Fahrenheit to Per Kelvin Converter
- ppm per °F to ppm per °C Converter
See all thermal expansion converters tools · All Conversion calculators · Site map
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)