To convert 170 degrees Celsius to Fahrenheit, we use the formula:

°F = (°C × 9/5) + 32

°F = (170 × 9/5) + 32

°F = (1530/5) + 32

°F = 306 + 32

°F = 338

Therefore, 170 degrees Celsius is equal to 338 degrees Fahrenheit.