Kelvin to Delisle Temperature Conversion

Introduction

The Kelvin and Delisle scales represent distinct approaches to measuring temperature. Kelvin, the SI base unit, provides an absolute temperature scale, while Delisle, a historical scale, offers a unique inverted perspective. This guide facilitates conversions between these scales, providing valuable insights for scientific and historical research.

Understanding the Scales

Kelvin (K): An absolute temperature scale starting at absolute zero (0 K), where molecular motion ceases. Key points:

  • Freezing point of water: 273.15 K
  • Boiling point of water: 373.15 K

Delisle (D): An inverted scale developed by Joseph-Nicolas Delisle. Higher temperatures correspond to lower numerical values. Key points:

  • Water's boiling point: 0°D
  • Water's freezing point: 150°D

Conversion Formula

The formula to convert Kelvin (K) to Delisle (°D) is:

°D = (373.15 - K) * 3/2

Conversion Steps

  1. Obtain the temperature in Kelvin (K).
  2. Subtract 373.15 (boiling point of water in Kelvin) from the Kelvin temperature.
  3. Multiply the result by 3/2.

Example:

Convert 300 K to Delisle: (373.15 - 300) * 3/2 = 109.73°D

Applications

While Kelvin is widely used in science and engineering, the Delisle scale holds historical significance. This conversion knowledge is valuable for:

  • Historical climatology research
  • Scientific studies involving historical temperature data

Benefits of This Guide

This guide simplifies the conversion process by:

  • Providing a clear and concise explanation.
  • Offering a step-by-step conversion guide.
  • Including a practical example.
  • Highlighting the historical and scientific significance of both scales.
Kelvin Delisle Kelvin Delisle Kelvin Delisle Kelvin Delisle
1K558.22°De21K528.22°De41K498.22°De61K468.22°De
2K556.72°De22K526.72°De42K496.72°De62K466.72°De
3K555.22°De23K525.22°De43K495.22°De63K465.22°De
4K553.72°De24K523.72°De44K493.72°De64K463.72°De
5K552.22°De25K522.22°De45K492.22°De65K462.22°De
6K550.72°De26K520.72°De46K490.72°De66K460.72°De
7K549.22°De27K519.22°De47K489.22°De67K459.22De
8K547.72°De28K517.72°De48K487.72°De68K457.72°De
9K546.22°De29K516.22°De49K486.22°De69K456.22°De
10K544.72°De30K514.72°De50K484.72°De70K454.72°De
11K543.22°De31K513.22°De51K483.22°De71K453.22°De
12K541.72°De32K511.72°De52K481.72°De72K451.72°De
13K540.22°De33K510.22°De53K480.22°De73K450.22°De
14K538.72°De34K508.72°De54K478.72°De74K448.72°De
15K537.22°De35K507.22°De55K477.22°De75K447.22°De
16K535.72°De36K505.72°De56K475.72°De76K445.72°De
17K534.22°De37K504.22°De57K474.22°De77K444.22°De
18K532.72°De38K502.72°De58K472.72°De78K442.72°De
19K531.22°De39K501.22°De59K471.22°De79K441.22°De
20K529.72°De40K499.72°De60K469.72°De80K439.72°De