Conversor de Temperatura
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
°F = °C × 9/5 + 32 ; K = °C + 273,15
About this calculator
The Temperature Converter is a practical tool for converting values between Celsius, Fahrenheit, and Kelvin scales. It uses standard formulas: to convert Celsius to Fahrenheit, multiply by 9/5 and add 32; to convert Celsius to Kelvin, add 273.15. Reverse conversions are also supported.
This calculator is useful in various situations, such as following recipes that use Fahrenheit, interpreting weather forecasts from different countries, or conducting scientific experiments that require Kelvin. It eliminates manual calculations and reduces errors.
When using the tool, remember that Kelvin does not use the degree symbol and is an absolute scale starting at absolute zero. For accurate conversions, input the value carefully, especially for negative temperatures, which are possible in Celsius and Fahrenheit but not in Kelvin.
Frequently asked questions
How do I convert Celsius to Fahrenheit?
Multiply the Celsius value by 9/5 and then add 32. For example, 0°C becomes 32°F.
What is the difference between Kelvin and Celsius?
Kelvin is an absolute scale where 0 K is absolute zero. The conversion is simple: K = °C + 273.15.
Can I convert Fahrenheit directly to Kelvin?
Yes. First convert Fahrenheit to Celsius using (°F - 32) × 5/9, then add 273.15 to get Kelvin.
Is there negative temperature in Kelvin?
No. Kelvin is an absolute scale and has no negative values. Absolute zero (0 K) is the lowest possible temperature.
Is the calculator accurate for all values?
Yes, it uses standard formulas and provides accurate results for any input, including decimals.