# Fahrenheit to Celsius and Celsius to Fahrenheit Conversion

Both Fahrenheit and Celsius are units of temperature, and understanding the relationship between these units is fundamental for countless applications ranging from scientific research to everyday activities.

This article helps convert Fahrenheit to Celsius and Celsius to Fahrenheit, providing readers with conversion calculators, tables, and simple explanations on how to use them.

Published: February 24, 2024.

## Fahrenheit to Celsius and Celsius to Fahrenheit Calculators

To convert temperature expressed in degrees Fahrenheit to temperature expressed in degrees Celsius (and vice versa), feel free to use the following calculators:

Fahrenheit (°F):

Celsius (°C):

Celsius (°C):

Fahrenheit (°F):

## How To Convert Fahrenheit to Celsius and Celsius to Fahrenheit

The relationship between degrees Fahrenheit and degrees Celsius is as follows:

T(°F) = T(°C) * 9/5 + 32

T(°C) = [T(°F) - 32] * 5/9

## Fahrenheit to Celsius and Celsius to Fahrenheit Conversion Tables

The following tables contain the most common values given in degrees Fahrenheit and Celsius, converted into degrees Celsius and Fahrenheit

 Celsius (°C) Fahrenheit (°F) -273.15°C -459.76°F -50°C -58°F -40°C -40°F -30°C -22°F -20°C -4°F -10°C 14°F -5°C 23°F 0°C 32°F 5°C 41°F 10°C 50°F 20°C 68°F 30°C 86°F 40°C 104°F 50°C 122°F 60°C 140°F 80°C 176°F 100°C 212°F 500°C 932°F 1000°C 1832°F

 Fahrenheit (°F) Celsius (°F) -60°F -51.11°C -40°F -40°C -20°F -28.88°C 0°F -17.77°C 20°F -6.66°C 25°F -3.88°C 30°F -1.11°C 35°F 1.66°C 40°F 4.44°C 50°F 10°C 60°F 15.55°C 70°F 21.11°C 80°F 26.66°C 90°F 32.22°C 100°F 37.77°C 150°F 65.55°C 200°F 93.33°C 1000°F 537.77°C 2000°F 1093.33°C

If You wish to convert values that are not in the table, please use the conversion calculators.

## Brief History of Fahrenheit and Celsius

The measurement of temperature is fundamental to a wide array of activities, from meteorology to cooking, and scientific research to daily weather forecasting. Two of the most commonly used temperature scales globally are degrees Fahrenheit (°F) and degrees Celsius (°C).

These scales, developed in the early 18th and mid-20th centuries respectively, have distinct origins, paths to standardization, and areas of application today.

### Origins of Degrees Fahrenheit

The Fahrenheit scale was created by the German physicist Daniel Gabriel Fahrenheit in 1724. Fahrenheit initially set zero degrees as the temperature at which an equal mix of ice, water, and salt freeze. He then defined 32 degrees as the point at which water freezes and 96 degrees as human body temperature (later adjusted to 98.6°F for accuracy).

The Fahrenheit scale was widely adopted in English-speaking countries and became a standard measure, especially in the United States.

### Origins of Degrees Celsius

The Celsius scale, named after the Swedish astronomer Anders Celsius in 1742, originally inverted today's scale, setting 100 degrees as the freezing point of water and 0 degrees as the boiling point. This was later reversed to align with the logical progression from cold to hot.

The Celsius scale, also known as centigrade, was designed to simplify temperature measurement with a base-10 system, making it compatible with the metric system.

### Standardization of Temperature Scales

The standardization of the Fahrenheit and Celsius scales has been a complex process, influenced by scientific advancements and international agreements. The Fahrenheit scale saw standardization through its adoption in the British Empire and later in the United States, where it became deeply integrated into society and industry.

Despite its early introduction, the Fahrenheit scale's use has become more localized over time, primarily retained in the U.S. and a few other countries for non-scientific applications.

The Celsius scale underwent standardization more formally as part of the metric system, with its definitions refined over time. The 9th General Conference on Weights and Measures in 1948 officially named the scale "Celsius," and further standardization efforts have tied the scale to the Kelvin scale, a fundamental unit of temperature in the International System of Units (SI).

This link ensures that the Celsius scale is precisely defined and universally applicable, making it the preferred scale for scientific and international use.

### Today's Use

In contemporary times, degrees Fahrenheit and degrees Celsius are used side by side, serving different regions and purposes. The Fahrenheit scale remains prevalent in the United States for weather forecasts, cooking, and body temperature measurements. Its continued use reflects cultural continuity and the practical challenges of conversion to the Celsius scale for everyday activities.

Conversely, the Celsius scale is used by most of the world and is the standard for scientific research. Its adoption is nearly universal in countries that use the metric system, making it essential for international collaboration, especially in science and engineering fields. The Celsius scale's straightforward relationship with the metric system facilitates its use in education, industry, and policy.

### Few Final Words

The histories of degrees Fahrenheit and degrees Celsius illustrate the diversity and evolution of temperature measurement. From their distinct origins to their paths of standardization, both scales have played crucial roles in shaping how we understand and interact with the thermal aspects of our world.

While the Fahrenheit scale continues to hold cultural significance in specific regions, the Celsius scale's global adoption underscores the move towards universal standards in measurement.