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Delisle to Celsius, Fahrenheit, Kelvin & More Converter

If you come across temperature data in Delisle and need to integrate it with modern systems, this converter simplifies the process and ensures a smooth transition. Convert Delisle to Celsius, Fahrenheit, Kelvin, Rankine, Newton, Reaumur, and Rømer with one click.

Delisle Temperature Conversion Tool

Input Fields
°De
°De
Enter the temperature in degrees Delisle
If enabled, the result will update automatically when you change any value.

Delisle Temperature Conversion Formulas

Formula
$$\text{Celsius (°C)} = 100 – \left( \frac{°De}{1.5} \right)$$ $$\text{Fahrenheit (°F)} = \left( 100 – \frac{°De}{1.5} \right) \times 1.8 + 32$$ $$\text{Kelvin (K)} = \left( 100 – \frac{°De}{1.5} \right) + 273.15$$ $$\text{Rankine (°R)} = \left( 100 – \frac{°De}{1.5} \right) \times 1.8 + 491.67$$ $$\text{Newton (°N)} = \frac{100 – \left( \frac{°De}{1.5} \right)}{3.03030303}$$ $$\text{Reaumur (°Re)} = \left( 100 – \frac{°De}{1.5} \right) \times 0.8$$ $$\text{Rømer (°Rø)} = \left( \frac{100 – \left( \frac{°De}{1.5} \right)}{1.9047619} \right) + 7.5$$

These formulas allow Delisle values to be converted into Celsius and then into other common temperature scales, making them usable for modern scientific analysis.

The Delisle scale, once used in historical European scientific contexts, is rarely encountered today but still appears in old data or niche studies. This converter instantly transforms Delisle readings into Celsius, Fahrenheit, Kelvin, and other widely used temperature units. It’s ideal for researchers, historians, and anyone working with archival temperature data or cross-system comparisons.

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