Here's how to convert 20 degrees Celsius to Fahrenheit:

Formula:

* (°F) = (°C x 9/5) + 32

Calculation:

* (°F) = (20 x 9/5) + 32

* (°F) = (36) + 32

* (°F) = 68

Therefore, 20 degrees Celsius is equal to 68 degrees Fahrenheit.