Converter – Fahrenheit to Celsius

  • Enter a temperature in Fahrenheit.
  • Click the "Convert" button to calculate the equivalent temperature in Celsius.
  • Click the "Copy" button to copy the Celsius value to the clipboard.
  • Click the "Clear" button to clear the input and result fields.
  • Your conversion history will be displayed below.
Calculation and Explanation

This converter uses the following formula to convert Fahrenheit to Celsius:

Celsius = (Fahrenheit - 32) × 5/9


  • Fahrenheit is the temperature in degrees Fahrenheit entered by the user.
  • Celsius is the equivalent temperature in degrees Celsius.
Calculation History

    What is Fahrenheit and Celsius?

    Fahrenheit and Celsius are two different temperature scales used to measure temperature. Here’s a brief explanation of each:

    1. Fahrenheit (°F):
      • Fahrenheit is a temperature scale commonly used in the United States and some other countries.
      • It was developed by Daniel Gabriel Fahrenheit in the early 18th century.
      • On the Fahrenheit scale, water freezes at 32 degrees Fahrenheit (32°F) and boils at 212 degrees Fahrenheit (212°F) at standard atmospheric pressure.
      • The scale is divided into 180 equal intervals between these two reference points.
    2. Celsius (°C):
      • Celsius is the most widely used temperature scale worldwide and is also known as the Centigrade scale.
      • It is based on the freezing and boiling points of water under standard atmospheric conditions.
      • On the Celsius scale, water freezes at 0 degrees Celsius (0°C) and boils at 100 degrees Celsius (100°C) at standard atmospheric pressure.
      • The Celsius scale is divided into 100 equal intervals between these two reference points, making it a more metric-friendly scale.

    All Formulae Related to Fahrenheit to Celsius

    1. Fahrenheit to Celsius Conversion Formula:
      • Celsius (°C) = (Fahrenheit (°F) – 32) × 5/9

    This is the primary formula to convert temperatures from Fahrenheit to Celsius.

    1. Celsius to Fahrenheit Conversion Formula (Reversed):
      • Fahrenheit (°F) = (Celsius (°C) × 9/5) + 32

    Applications of Fahrenheit to Celsius Converter in Various Fields

    The Fahrenheit to Celsius converter is a useful tool in various fields and applications where temperature measurements need to be converted between these two scales. Here are some examples of its applications in different fields:

    1. Meteorology:
      • Meteorologists need to convert temperature measurements between Fahrenheit and Celsius when analyzing weather data and making forecasts. This is important for communicating temperature information to the public in different regions that use different temperature scales.
    2. Thermodynamics and Engineering:
      • Engineers and scientists working with thermal systems and heat transfer need to convert temperatures between Fahrenheit and Celsius when performing calculations, designing systems, or conducting experiments.
    3. Cooking and Food Industry:
      • In the culinary world, recipes and cooking instructions may provide temperatures in either Fahrenheit or Celsius. A converter is handy for chefs and home cooks who need to adjust temperatures for baking, grilling, or cooking.
    4. Healthcare:
      • Medical professionals use temperature measurements for diagnosing and monitoring patients. In some countries, healthcare facilities use Celsius, while others use Fahrenheit. Conversion tools help ensure accurate temperature reporting and treatment.
    5. Manufacturing and Materials Science:
      • Temperature plays a critical role in various manufacturing processes and material properties. Engineers and researchers may need to convert temperature data to analyze the effects of temperature on materials and products.

    Benefits of Using the Fahrenheit to Celsius Converter

    Using a Fahrenheit to Celsius converter offers several benefits, making it a valuable tool in various situations. Here are some of the key benefits of using a Fahrenheit to Celsius converter:

    1. Universal Temperature Comparison: The converter allows for easy comparison of temperatures across different measurement systems, ensuring accurate communication of temperature information in international contexts.
    2. Simplicity and Accuracy: Converting temperatures using a reliable formula ensures accuracy and eliminates the risk of manual calculation errors. It simplifies temperature conversion tasks, especially when dealing with large datasets or frequent conversions.
    3. Convenience in Everyday Life: For individuals living in regions that primarily use one temperature scale but encounter the other in daily life (e.g., through international travel or online content), a converter simplifies temperature-related decisions and activities.
    4. Standardization: In scientific and engineering fields, where precision is crucial, converters help standardize temperature data between Fahrenheit and Celsius, ensuring consistency in calculations, experiments, and data analysis.
    5. Education and Learning: The converter serves as an educational tool for students and learners, helping them understand the relationship between the Fahrenheit and Celsius temperature scales. It reinforces mathematical and scientific concepts.


    1. “Beyond Thermometers: Fahrenheit and Celsius in Climate Science and Global Modeling” by Nature Climate Change
    2. “From Physiology to Engineering: Fahrenheit and Celsius in Human Heat Balance and Thermal Design” by Journal of Thermal Biology

    Last Updated : 27 February, 2024

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