Temperature Conversion Calculator


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A Brief History of Temperature Scales

Celsius (°C): The Celsius scale was invented by Swedish astronomer Anders Celsius in 1742. Celsius initially defined his scale with 0°C as the boiling point of water and 100°C as the freezing point. However, this was later reversed to the scale we know today, with 0°C representing the freezing point of water and 100°C representing the boiling point at standard atmospheric pressure.

Fahrenheit (°F): The Fahrenheit scale was developed by German physicist Daniel Gabriel Fahrenheit in 1724. Fahrenheit set 0°F as the temperature of a mixture of ice and salt, which was the lowest temperature he could achieve with his refrigeration experiments. He fixed 32°F as the freezing point of water and 212°F as its boiling point, providing 180 intervals between these two points. The Fahrenheit scale is primarily used in the United States and a few other countries.

Kelvin (K): In 1848, William Thomson, also known as Lord Kelvin, proposed the Kelvin scale. This scale is based on the absolute thermodynamic temperature scale, where 0 K (absolute zero) is the point at which molecular motion theoretically stops. Unlike Celsius and Fahrenheit, the Kelvin scale doesn’t use degrees and is commonly used in scientific disciplines.

Conversion Between Kelvin, Celsius, and Fahrenheit

These temperature scales are related mathematically, and it's easy to convert from one to another using the following formulas:

  1. From Celsius to Kelvin:

    K=°C+273.15K = °C + 273.15
  2. From Kelvin to Celsius:

    °C=K273.15°C = K - 273.15
  3. From Celsius to Fahrenheit:

    °F=(°C×95)+32°F = (°C \times \frac{9}{5}) + 32
  4. From Fahrenheit to Celsius:

    °C=(°F32)×59°C = (°F - 32) \times \frac{5}{9}
  5. From Kelvin to Fahrenheit:

    °F=(K273.15)×95+32°F = (K - 273.15) \times \frac{9}{5} + 32
  6. From Fahrenheit to Kelvin:

    K=(°F32)×59+273.15K = (°F - 32) \times \frac{5}{9} + 273.15

Example Temperature Calculation

Let's say you want to convert 300 Kelvin (K) to both Celsius and Fahrenheit.

  1. Convert 300 K to Celsius:

    °C=300K273.15=26.85°C°C = 300K - 273.15 = 26.85°C
  2. Convert 300 K to Fahrenheit:

    °F=(300K273.15)×95+32=80.33°F°F = (300K - 273.15) \times \frac{9}{5} + 32 = 80.33°F

So, 300 Kelvin equals approximately 26.85°C and 80.33°F.

Fig. Screen Shot from CHEMIX School - Temperature Conversion Calculator

temperature conversion calculator


CHEMIX School Temperature Conversion Calculator - Usage Guide

Your program allows users to convert between these temperature scales using editable text fields for Kelvin, Celsius, and Fahrenheit. Here’s how to ensure accurate calculations:

How to Calculate:

This simple tool helps users navigate the world of temperature conversions with ease, from science experiments to everyday tasks. By converting between Kelvin, Celsius, and Fahrenheit, users can better understand temperature in different contexts.




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