Here's how to convert 84 degrees Fahrenheit to Celsius:

Formula:

* °C = (°F - 32) × 5/9

Calculation:

* °C = (84 - 32) × 5/9

* °C = 52 × 5/9

* °C = 28.89

Therefore, 84 degrees Fahrenheit is approximately 28.89 degrees Celsius.