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The Fahrenheit scale, introduced by Daniel Gabriel Fahrenheit in 1724, is one of the unique temperature scales where the freezing point of water is set to 32 degrees, and the boiling point is at 212 degrees under standard atmospheric pressure. This scale is still predominantly used in the United States, the Bahamas, and a few other territories for everyday temperature measurements. Interestingly, Fahrenheit selected these fixed points based on the coldest temperature he could achieve using a saltwater mixture and the average human body temperature.

The Fahrenheit scale was ingeniously designed to provide finer granularity compared to the Celsius scale, making it useful for meteorology and cooking. It’s a common misconception that this scale lacks scientific relevance; however, it offers precision in everyday life that Celsius, with its larger one-degree steps, sometimes cannot match.

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The Degree Rankine, named after Scottish engineer and physicist William John Macquorn Rankine, is a thermodynamic temperature scale used primarily in engineering fields, especially in the United States. It is based on the Fahrenheit scale, with 0°R equivalent to absolute zero, effectively extending the Fahrenheit scale to begin at zero. Unlike Celsius or Kelvin, which are commonly used in scientific contexts, Rankine is particularly relevant in the context of engineering disciplines like thermodynamics and aerospace, where it facilitates calculations involving heat and energy.

One interesting aspect of the Rankine scale is that it is still used in niche applications, especially in calculations for steam power and internal combustion engines. Since Rankine is aligned with the Fahrenheit degree intervals, converting temperatures between Rankine and Fahrenheit is straightforward; all you need to do is add or subtract 459.67 degrees. This convenience can be crucial in industries reliant on precise thermal calculations where efficiency and safety are paramount.

> Fahrenheit to Rankine Conversion Table

Degrees Fahrenheit Degrees Rankine
-100 °F 359.67 °R
-95 °F 364.67 °R
-90 °F 369.67 °R
-85 °F 374.67 °R
-80 °F 379.67 °R
-75 °F 384.67 °R
-70 °F 389.67 °R
-65 °F 394.67 °R
-60 °F 399.67 °R
-55 °F 404.67 °R
-50 °F 409.67 °R
-45 °F 414.67 °R
-40 °F 419.67 °R
-35 °F 424.67 °R
-30 °F 429.67 °R
-25 °F 434.67 °R
-20 °F 439.67 °R
-15 °F 444.67 °R
-10 °F 449.67 °R
-5 °F 454.67 °R
0 °F 459.67 °R
5 °F 464.67 °R
10 °F 469.67 °R
15 °F 474.67 °R
20 °F 479.67 °R
25 °F 484.67 °R
30 °F 489.67 °R
35 °F 494.67 °R
40 °F 499.67 °R
45 °F 504.67 °R
50 °F 509.67 °R
55 °F 514.67 °R
60 °F 519.67 °R
65 °F 524.67 °R
70 °F 529.67 °R
75 °F 534.67 °R
80 °F 539.67 °R
85 °F 544.67 °R
90 °F 549.67 °R
95 °F 554.67 °R
100 °F 559.67 °R
105 °F 564.67 °R
110 °F 569.67 °R
115 °F 574.67 °R
120 °F 579.67 °R
125 °F 584.67 °R
130 °F 589.67 °R
135 °F 594.67 °R
140 °F 599.67 °R
145 °F 604.67 °R
150 °F 609.67 °R
155 °F 614.67 °R
160 °F 619.67 °R
165 °F 624.67 °R
170 °F 629.67 °R
175 °F 634.67 °R
180 °F 639.67 °R
185 °F 644.67 °R
190 °F 649.67 °R
195 °F 654.67 °R
200 °F 659.67 °R
205 °F 664.67 °R
210 °F 669.67 °R
215 °F 674.67 °R
220 °F 679.67 °R
225 °F 684.67 °R
230 °F 689.67 °R
235 °F 694.67 °R
240 °F 699.67 °R
245 °F 704.67 °R
250 °F 709.67 °R
255 °F 714.67 °R
260 °F 719.67 °R
265 °F 724.67 °R
270 °F 729.67 °R
275 °F 734.67 °R
280 °F 739.67 °R
285 °F 744.67 °R
290 °F 749.67 °R
295 °F 754.67 °R
300 °F 759.67 °R

> Other Conversions

Conversion
Fahrenheit to Degrees Celsius Go to converter
Fahrenheit to Kelvins Go to converter