🌡️ Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin
How Temperature Conversion Works
Formula
°F = (°C × 9/5) + 32 | °C = (°F − 32) × 5/9 | K = °C + 273.15
- 1Enter the temperature value.
- 2Select the source scale (Celsius, Fahrenheit, or Kelvin).
- 3The tool applies the correct conversion formula.
- 4Results for all other scales are displayed instantly.
- 5Formulas are shown so you can verify the math.
About Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin temperature scales instantly. See the exact formulas and get precise results for cooking, science, weather, and more.
Frequently Asked Questions
What is the formula to convert Celsius to Fahrenheit?
Multiply the Celsius value by 9/5, then add 32. For example, 100°C = (100 × 9/5) + 32 = 212°F.
What is absolute zero?
Absolute zero is 0 Kelvin, −273.15°C, or −459.67°F. It is the theoretical lowest temperature where all molecular motion stops.
At what temperature are Celsius and Fahrenheit equal?
Celsius and Fahrenheit are equal at −40 degrees. That is, −40°C = −40°F.