Rankine to Delisle Conversion: A Comprehensive Guide

This guide provides a comprehensive overview of converting temperatures between the Rankine and Delisle scales.

Understanding the Scales

The Rankine scale is an absolute thermodynamic temperature scale, meaning it starts at absolute zero (the point where all molecular motion ceases). It uses the same degree size as the Fahrenheit scale.

The Delisle scale is a descending scale, where the boiling point of water is 0 degrees.

Conversion Process

Converting between Rankine and Delisle involves a multi-step process:

  1. Convert Rankine to Fahrenheit:

    °F = °R - 459.67

  2. Convert Fahrenheit to Celsius:

    °C = (°F - 32) * 5/9

  3. Convert Celsius to Delisle:

    °D = (100 - °C) * 3/2

Rankine Delisle Rankine Delisle Rankine Delisle Rankine Delisle
1°R558.89°De21°R542.23°De41°R525.56°De61°R508.89°De
2°R558.06°De22°R541.39°De42°R524.73°De62°R508.06°De
3°R557.23°De23°R540.56°De43°R523.89°De63°R507.22°De
4°R556.39°De24°R539.73°De44°R523.06°De64°R506.39°De
5°R555.56°De25°R538.89°De45°R522.23°De65°R505.56°De
6°R554.73°De26°R538.06De46°R521.39°De66°R504.72°De
7°R553.89°De27°R537.23°De47°R520.56°De67°R503.89°De
8°R553.06°De28°R536.39°De48°R519.73°De68R503.06°De
9°R552.23°De29°R535.56°De49°R518.89°De69°R502.22°De
10°R551.39°De30°R534.73°De50°R518.06°De70°R501.39°De
11°R550.56°De31°R533.89°De51°R517.23°De71°R500.56°De
12°R549.73°De32°R533.06°De52°R516.39°De72°R499.72°De
13°R548.89°De33°R532.23°De53°R515.56°De73°R498.89°De
14°R548.06°De34°R531.39°De54R514.73°De74°R498.06°De
15°R547.23°De35°R530.56°De55°R513.89°De75°R497.22°De
16R546.39°De36°R529.73°De56°R513.06°De76°R496.39°De
17°R545.56°De37°R528.89°De57°R512.23°De77°R495.56°De
18°R544.73°De38°R528.06°De58°R511.39°De78°R494.72°De
19°R543.89°De39°R527.23°De59°R510.56°De79°R493.89°De
20°R543.06°De40°R526.39°De60°R509.72De80°R493.06°De