Celsius to Fahrenheit Converter Formula

Understand the math behind the celsius to fahrenheit converter. Each variable explained with a worked example.

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Formulas Used

Fahrenheit

fahrenheit = celsius * 9/5 + 32

Variables

VariableDescriptionDefault
celsiusCelsius(°C)100

How It Works

How to Convert Celsius to Fahrenheit

Formula

°F = (°C × 9/5) + 32

Multiply the Celsius temperature by 9/5 (or 1.8), then add 32 to get the Fahrenheit equivalent.

Worked Example

Convert 100°C to Fahrenheit.

celsius = 100
  1. 01°F = (100 × 9/5) + 32
  2. 02°F = 180 + 32
  3. 03°F = 212°F

Frequently Asked Questions

What is the formula for Celsius to Fahrenheit?

Multiply Celsius by 9/5 (or 1.8), then add 32. The formula is °F = (°C × 9/5) + 32.

What is 0°C in Fahrenheit?

0°C is 32°F, the freezing point of water.

Learn More

Guide

How to Convert Temperature: Celsius, Fahrenheit, and Kelvin

Learn how to convert between Celsius, Fahrenheit, and Kelvin with clear formulas, worked examples, and practical tips for everyday and scientific use.

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