To convert -18 degrees Fahrenheit to Celsius, you can use the formula: C = (F - 32) × 5/9. Plugging in -18 for F gives you C = (-18 - 32) × 5/9, which simplifies to C = (-50) × 5/9. Therefore, -18 degrees Fahrenheit is approximately -27.8 degrees Celsius.
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[°C] = ([°F] − 32) × 5⁄9
33 °c = 91.4 °f
37.4 deg C = 99.3 deg F
38.4 deg C = 101.12 deg F.
-18ºC = -0.4ºF / Use this equation to convert degrees Celsius/Centigrade (ºC) to degrees Fahrenheit (ºF): [°F] = [°C] × 1.8 + 32