Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin. Instant temperature conversions. Free, instant, and accurate conversions.
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How to Convert Temperature
Enter Value
Type the temperature you want to convert.
Select Units
Choose Celsius, Fahrenheit, or Kelvin.
View All Results
See the equivalent temperature in all three scales at once.
Why Use Our Temperature Converter?
All Three Scales
Convert between Celsius, Fahrenheit, and Kelvin in one tool.
Instant Results
See all three temperature scales update as you type.
Completely Free
No limits, no signup. Convert as many values as you need.
Private & Secure
All calculations happen in your browser.
Frequently Asked Questions
What is the formula for Celsius to Fahrenheit?
F = (C x 9/5) + 32. For example, 0 C = 32 F and 100 C = 212 F.
What is absolute zero?
Absolute zero is 0 Kelvin (-273.15 C or -459.67 F), the lowest possible temperature where particles have minimal energy.
Which scale do scientists use?
Scientists primarily use Kelvin, as it starts at absolute zero and has no negative values, making calculations simpler.
Is my data sent anywhere?
No. All calculations happen locally in your browser.
What is room temperature in all scales?
Room temperature is approximately 20-22 C, 68-72 F, or 293-295 K.