Celsius to Fahrenheit

Convert celsius degrees to fahrenheit degrees with ease.

Tool Type: Temperature Converter
Conversion: °C ⇄ °F

Celsius to Fahrenheit

Convert Celsius to Fahrenheit
°C
Enter the temperature in Celsius to convert

How to Convert Temperature

1
Enter Celsius

Input temperature in Celsius

2
Click Convert

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3
Get Result

View temperature in Fahrenheit

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Copy Result

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Conversion Formula

Celsius to Fahrenheit

°F = (°C × 9/5) + 32

Example: 25°C = (25 × 9/5) + 32 = 77°F

Fahrenheit to Celsius

°C = (°F - 32) × 5/9

Example: 77°F = (77 - 32) × 5/9 = 25°C

Common Temperature Reference

Description Celsius (°C) Fahrenheit (°F)
Absolute Zero -273.15 -459.67
Freezing Point of Water 0 32
Room Temperature 20 68
Body Temperature 37 98.6
Boiling Point of Water 100 212

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Complete Guide to Temperature Conversion

Understanding Temperature Scales

Temperature is a measure of thermal energy, and there are three main temperature scales used around the world: Celsius, Fahrenheit, and Kelvin. Celsius is the most commonly used scale in science and most countries. Fahrenheit is primarily used in the United States. Understanding how to convert between these scales is essential for scientific work, cooking, weather forecasting, and many other applications. Our Celsius to Fahrenheit converter makes this conversion quick and easy.

The Celsius Scale (°C)

The Celsius scale is part of the metric system and is used by the vast majority of countries worldwide. It's based on the freezing point (0°C) and boiling point (100°C) of water at standard atmospheric pressure. The Celsius scale is the standard in science, medicine, and meteorology. It's also the official scale used in the metric system for scientific measurements.

The Fahrenheit Scale (°F)

The Fahrenheit scale is primarily used in the United States, a few Caribbean nations, and some U.S. territories. It was developed by Daniel Gabriel Fahrenheit and is based on different reference points than Celsius (32°F for water's freezing point and 212°F for boiling point). While less common internationally, it's still widely used in everyday American life for weather reports, cooking temperatures, and medical purposes.

Historical Significance

The Celsius scale was proposed in 1742 by Swedish astronomer Anders Celsius as "centigrade" because it divides the freezing and boiling points of water into 100 equal degrees. The Fahrenheit scale was developed earlier in 1724 and uses different reference points and intervals. Over time, Celsius has become the international standard, while Fahrenheit remains embedded in American culture and daily life.

Common Temperature Conversions

  • 0°C = 32°F - Freezing point of water
  • 20°C = 68°F - Comfortable room temperature
  • 37°C = 98.6°F - Normal human body temperature
  • 100°C = 212°F - Boiling point of water
  • -40°C = -40°F - Point where both scales meet
Pro Tip: The point where Celsius and Fahrenheit scales meet is -40°. This is the only temperature where both scales show the same numerical value, making it a useful reference point for quick mental conversions.

Frequently Asked Questions

The formula is: °F = (°C × 9/5) + 32. You multiply the Celsius temperature by 9/5 (or 1.8), then add 32 to get the Fahrenheit equivalent.
Yes! Our converter uses the standard mathematical formula and provides results accurate to 2 decimal places, which is more than sufficient for most applications.
Yes! The converter handles negative temperatures. For example, -40°C = -40°F, which is the unique point where both scales meet.
Normal room temperature is typically considered to be around 20-21°C, which is approximately 68-70°F. This is the comfortable temperature most people prefer indoors.
The Fahrenheit scale has been historically used in the United States since the 18th century and became deeply embedded in American culture. While the rest of the world adopted Celsius, the USA has maintained Fahrenheit.
Normal human body temperature is 37°C or 98.6°F. Any temperature significantly higher might indicate fever, while lower temperature might indicate hypothermia.
Yes! Our temperature converter is completely free with no registration, subscriptions, or hidden fees. Convert unlimited temperatures anytime.
Yes! The converter accepts decimal values like 36.5°C or 98.2°F, providing precise conversions for medical and scientific applications where accuracy matters.

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