Question 1

How do you convert Celsius to Fahrenheit?

Accepted Answer

F = C × 9/5 + 32. Example: 25°C = 25×1.8 + 32 = 77°F. Quick estimate: double and add 30.

Question 2

Where is Celsius vs Fahrenheit used?

Accepted Answer

Celsius: most of world. Fahrenheit: US, Cayman Islands, Bahamas, Palau, Belize.

Question 3

Why does -40 equal -40 in Fahrenheit and Celsius?

Accepted Answer

The two scales have different zero points and scale factors, but happen to intersect at -40. It's the only temperature where °F = °C.

Question 4

What's the coldest possible temperature?

Accepted Answer

Absolute zero (0 K = -273.15°C = -459.67°F) is the theoretical minimum. It's never been reached, though labs have gotten within billionths of a degree.

Celsius to Fahrenheit Converter

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