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Temperature Converter
Convert Celsius to Fahrenheit and Kelvin instantly with the standard temperature formulas.
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Version 1.0.0 · Last reviewed
How it worksShow guide
Introduction
The temperature converter turns Celsius into Fahrenheit and Kelvin — useful for weather, cooking, science homework, and travel.
Formula
Convert Celsius to Fahrenheit and Kelvin using the standard linear temperature formulas.
- C — Temperature in Celsius
- F — Temperature in Fahrenheit
- K — Temperature in Kelvin
Step-by-step
- Enter the temperature in Celsius.
- Multiply by 9/5 and add 32 for Fahrenheit.
- Add 273.15 for Kelvin.
Worked example
25°C converts to 77°F and 298.15 K.
Use cases
- Convert weather forecasts between °C and °F
- Check oven or recipe temperatures
- Express temperatures on the absolute Kelvin scale
Frequently asked questions
What is absolute zero in Celsius?
Absolute zero is −273.15°C, which equals 0 K. This calculator rejects values below that.
How do I convert Fahrenheit to Celsius?
Use C = (F − 32) × 5/9. This tool currently takes Celsius as the input and outputs Fahrenheit and Kelvin.
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