Not only are Celsius and Fahrenheit degrees different sizes (each Celsius degree covers more of the scale) they have different baselines. Fortunately, there are easier ways to convert temperatures ...

From Celsius to Fahrenheit: Double the Celsius number and add 30. Formula: °F ≈ (°C × 2) + 30 From Fahrenheit to Celsius: Subtract 30 from Fahrenheit and divide by 2. Formula: °C ≈ (°F ...

World leaders at an annual gathering starting Thursday will use the Celsius version of a critical climate change threshold: 1.5 degrees. What to know.