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Fahrenheit = (Celsius * 1.8) + 32 Celsius = (Fahrenheit - 32) / 1.8
The degree intervals on the Celsius scale number 100 between the freezing and boiling points of water (0° and 100°), whereas there are 180 intervals between them in the Fahrenheit scale (32° and 212°). The Celsius intervals are larger.So the conversion between scales is 1° C = 1.8°F (or 9/5°). And on the Fahrenheit scale, the constant offset is 32°.Converting Fahrenheit to Celsius -- F = (5/9) C +32.Converting Celsius to Fahrenheit -- C = (F-32) x (5/9)Converting Kelvin and Celsius -- the Kelvin scale starts at "absolute zero" (-273.15°C)To go from Celsius to Kelvin: add 273.15 °To go from Kelvin to Celsius: subtract 273.15 °
3° F = -16.11° C The way to remember the formula is that 212° F = 100° C, and 32° F = 0° C. From this you can derive: F=9/5C+32 The separation between degrees Celsius is wider than the separation of Fahrenheit degrees. There are 5/9 change in degrees Celsius for every degree change of Fahrenheit. So a 3° change Fahrenheit is 15/9 or 5/3 (1-2/3) degree change in Celsius.
Degrees F = (Degrees C * 9/5) +32Degrees C = (Degrees F - 32) * (5/9)An easy way to derive these formulas is to recall two easy points:0° C = 32° F100° C = 212° FThese are the freezing and boiling points of water--trivially easy to remember in Celsius. With these two points we can solve as a system of simultaneous equations.Use these two formulas:C=5/9 x (Fahrenheit-32)F=(9/5 x Celsius) + 32 (Brackets not needed but inserted for comparison with the previous equation.)
The mathematician spent all day trying to derive the complex formula.