The formula to convert Fahrenheit to Celsius is:

°C = (°F - 32) × 5/9

Substituting °F = 350, we get:

°C = (350 - 32) × 5/9

°C = 318 × 5/9

°C = 1766.67/9

°C ≈ 197.84

Therefore, 350°F is approximately equal to 197.84°C.