Convert 98.6°F to Celsius: A 36°C B 37°C C 38°C D 35°C ✓ Correct Answer: Option B °C = (°F − 32) × 5/9 = (98.6 − 32) × 5/9 = 66.6 × 5/9 = 37°C. Practice PCAT Exam Prep Quizzes → Browse All Questions Study Flashcards