Here's how to convert 102.5 degrees Fahrenheit to Celsius:

Formula:

°C = (°F - 32) × 5/9

Calculation:

* °C = (102.5 - 32) × 5/9

* °C = 70.5 × 5/9

* °C = 39.17

Therefore, 102.5 degrees Fahrenheit is equal to approximately 39.17 degrees Celsius.