Here's how to convert 121 degrees Celsius to Fahrenheit:

Formula:

* Fahrenheit = (Celsius × 9/5) + 32

Calculation:

* Fahrenheit = (121 × 9/5) + 32

* Fahrenheit = (217.8) + 32

* Fahrenheit = 249.8

Therefore, 121 degrees Celsius is equal to 249.8 degrees Fahrenheit.