Convert between Fahrenheit and Celsius instantly. Bidirectional — edit either field and the other updates automatically.
Fahrenheit to Celsius: °C = (°F − 32) × 5/9
Celsius to Fahrenheit: °F = (°C × 9/5) + 32
To roughly convert Celsius to Fahrenheit: double the Celsius temperature and add 30. So 20°C ≈ 70°F (actual: 68°F). It's not exact, but great for quick estimates.