Celsius to Fahrenheit Converter

Convert temperatures from Celsius (°C) to Fahrenheit (°F) quickly and accurately with our free online calculator.

Convert Celsius to Fahrenheit

0°C = 32°F

The temperature 0° Celsius is equal to 32° Fahrenheit.

What is Celsius?

Celsius (°C), also known as centigrade, is a temperature scale used by most countries worldwide. It was developed by Anders Celsius in 1742. On the Celsius scale, the freezing point of water is 0°C and the boiling point is 100°C at standard atmospheric pressure.

The Celsius scale is part of the International System of Units (SI) and is widely used in scientific work and everyday life across most of the world. It provides a logical scale where the difference between freezing and boiling points of water is divided into 100 equal parts.

What is Fahrenheit?

Fahrenheit (°F) is a temperature scale commonly used in the United States and a few other countries. It was proposed by Daniel Gabriel Fahrenheit in 1724. On the Fahrenheit scale, the freezing point of water is 32°F and the boiling point is 212°F at standard atmospheric pressure.

The Fahrenheit scale was based on three reference points: 0°F was set as the temperature of a mixture of ice, water, and ammonium chloride; 32°F was the freezing point of water; and 96°F was approximately the human body temperature (though this was later revised).

How to Convert Celsius to Fahrenheit

To convert a temperature from Celsius to Fahrenheit, use the following formula:

°F = (°C × 9/5) + 32

This formula multiplies the Celsius temperature by 9/5 (or 1.8), then adds 32 to get the equivalent temperature in Fahrenheit.

Step-by-Step Conversion Process

  1. Take the Celsius temperature and multiply it by 9
  2. Divide the result by 5
  3. Add 32 to the quotient
  4. The result is the temperature in Fahrenheit

Common C to F Conversion Examples

  • 0°C = 32°F (Freezing point of water)
  • 20°C = 68°F (Room temperature)
  • 37°C = 98.6°F (Normal human body temperature)
  • 100°C = 212°F (Boiling point of water at sea level)

Why Convert Between Celsius and Fahrenheit?

Converting between Celsius and Fahrenheit is important for:

  • International Communication: Understanding temperature references when communicating with people from countries using different temperature scales.
  • Weather Understanding: Interpreting weather forecasts when traveling to or from the United States.
  • Cooking and Baking: Following recipes that specify oven temperatures in a different scale than your appliance uses.
  • Medical Interpretations: Converting body temperature readings between different measurement systems for consistent health monitoring.

FAQs About Celsius to Fahrenheit Conversion

What's a simple way to estimate C to F conversion?

For a quick mental estimation, double the Celsius temperature and add 30. This gives an approximation that's usually within a few degrees of the exact conversion.

Which temperature scale is more precise?

Neither scale is inherently more precise than the other. The precision depends on the measuring instrument, not the scale. However, Celsius is often used with decimal points in scientific contexts, while whole-number Fahrenheit values provide slightly finer gradations without decimals for everyday use.

Why do scientists prefer the Celsius scale?

Scientists generally prefer Celsius because it integrates well with the metric system and the SI units used in scientific work worldwide. The 0-100 range between water's freezing and boiling points also creates a logical reference framework for many scientific applications.

How accurate is this Celsius to Fahrenheit converter?

Our converter uses the exact mathematical formula for C to F conversion and provides results rounded to two decimal places, making it highly accurate for everyday use and most scientific applications.