Celsius to Fahrenheit Converter

To convert Celsius (°C) to Fahrenheit (°F), multiply the temperature in Celsius by 1.8 (or 9/5) and add 32. Use the interactive calculator below for instant temperature conversion.

The formula this calculator uses

Celsius to Fahrenheit Converter

Fahrenheit = (Celsius × 9⁄5) + 32

Example: 25°C × 9/5 + 32 = 77°F

How to use this calculator

  1. Enter the temperature in Celsius in the input box above.
  2. The equivalent value in Fahrenheit updates instantly.

Frequently asked questions

What is the Celsius to Fahrenheit formula?

Multiply the Celsius value by 9/5 (1.8), then add 32.

What is 0°C in Fahrenheit?

0°C equals 32°F — the freezing point of water on the Fahrenheit scale.

What is body temperature in Fahrenheit?

Normal human body temperature, about 37°C, converts to approximately 98.6°F.

Why do Celsius and Fahrenheit use different scales?

Celsius is based on water's freezing (0°) and boiling (100°) points, while Fahrenheit's scale was originally based on different reference points defined by its creator in the early 1700s, resulting in the offset formula needed to convert between them.

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