Celsius to Fahrenheit
Convert temperatures from Celsius to Fahrenheit with visual comparison
Fahrenheit (°F)
212°F
°F = °C × 9/5 + 32
About this calculator
Convert any temperature from Celsius to Fahrenheit instantly. The formula °F = °C × 9/5 + 32 handles the conversion between the metric Celsius scale used worldwide and the Fahrenheit scale common in the United States. Enter a value to see the exact result with a visual comparison of both scales.
How to use the Celsius to Fahrenheit converter
- Enter your value into the input field.
- Read the converted result.
- Adjust the input to try other values instantly.
- Copy the page URL to share the exact conversion.
Common examples
- 0°C = 32°F — the freezing point of water
- 100°C = 212°F — the boiling point of water
- 37°C = 98.60°F — normal human body temperature
- -40°C = -40°F — the point where both scales meet
- 20°C = 68°F — a comfortable room temperature
Frequently asked questions
How does the Celsius to Fahrenheit converter work?
Enter a value in the source unit and the calculator applies the standard conversion factor (or temperature formula, where relevant) to give you the equivalent value in the target unit. The result updates as you type.
When would I use a Celsius to Fahrenheit converter?
Whenever you need to translate a quantity between two units of measurement — common cases include travel, cooking, shipping, engineering, science homework, and reading product specifications written in a different system.
How accurate is the Celsius to Fahrenheit converter?
Conversions use the standard definitions of each unit and full-precision arithmetic. The displayed value is rounded for readability, but the underlying calculation keeps higher precision so repeated conversions do not drift.
Can I share a specific conversion with someone else?
Yes. Every value you enter updates the URL, so copying the address bar and sharing the link reopens the exact same conversion for whoever clicks it.