Temperature Converter
Temperature conversion changes a temperature reading between different scales: Celsius (°C), Fahrenheit (°F), and Kelvin (K). Celsius is used in most countries; Fahrenheit in the US; Kelvin in science (starts at absolute zero).
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Tip: Quick mental conversion: °C to °F — double it then add 30 (slightly off but fast). For exact: multiply by 9/5 then add 32.
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Fun Fact
−40° is the same in both Celsius and Fahrenheit. The scales cross at exactly this point because the Fahrenheit scale was calibrated differently: 32°F = 0°C and 212°F = 100°C.
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