摂氏、華氏、ケルビンを相互変換。
To convert Celsius to Fahrenheit, multiply the Celsius temperature by 1.8 and then add 32 to the result. You can also just enter your Celsius number into our free converter tool to get the exact Fahrenheit equivalent instantly.
The formula to convert Fahrenheit to Celsius is to subtract 32 from the Fahrenheit value, then multiply the result by 0.5556 (or 5/9). Our calculator applies this exact mathematical formula automatically behind the scenes.
Converting Kelvin to Celsius is very simple: just subtract 273.15 from the Kelvin temperature. Because the Kelvin scale starts at absolute zero, there are no negative Kelvin temperatures.
Celsius and Fahrenheit scales intersect and read the exact same value at negative 40 degrees. This means that -40°C is exactly equal to -40°F, which is a helpful trivia fact often used in science classes.
Yes, our online temperature conversion tool is 100% free to use with no hidden fees or subscriptions required. You can perform an unlimited number of conversions for Celsius, Fahrenheit, and Kelvin without registering an account.