To convert 425 degrees Fahrenheit to Celsius, we can use the formula: T(°C) = (T(°F) - 32) × 5/9. Plugging in 425 for T(°F), we get:

T(°C) = (425 - 32) × 5/9 = 218.333°C

Therefore, 425 degrees Fahrenheit is equal to 218.333 degrees Celsius.