Exact formulas
Applies °F=°C×9/5+32 and K=°C+273.15 precisely.
Unit Converter
Temperature Converter — Celsius, Fahrenheit, Kelvin (°C °F K)
Instantly convert between Celsius (°C), Fahrenheit (°F), and Kelvin (K). Enter a value and see all units at once.
Converted to
°C100
°F212
K373.15
What is the temperature converter?
It converts between Celsius (°C), Fahrenheit (°F), and Kelvin (K). Enter a value in one unit and the others update instantly.
How to use
- 1 Enter the value to convert.
- 2 Choose the source unit (°C/°F/K).
- 3 Read the converted results in every unit.
Highlights
All at once
One input shows all three units simultaneously.
Instant
Results update as you type.
FAQ
How do I convert Celsius to Fahrenheit?+
°F = °C × 9/5 + 32. For example, 100°C = 212°F.
What is absolute zero?+
0K = -273.15°C = -459.67°F.
What is normal body temperature?+
About 36.5°C = 97.7°F = 309.65K.
Related converters
This converter uses standard definitions and is for general reference.