Temperature Converter
Celsius ↔ Fahrenheit ↔ Kelvin with formula transparency.
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About this calculator
The classic conversion trips everyone up because Fahrenheit offsets AND scales differently: 0°C isn't 0°F. The ×2+30 mental trick lands within a couple degrees for everyday weather temperatures.
Body temperature reference: 37°C = 98.6°F. Oven settings: 180°C ≈ 350°F — the most-Googled cooking conversion on earth.
Formula
Frequently Asked Questions
Which countries still use Fahrenheit?
Principally the United States; weather broadcasts there remain F while science uses C/K universally.
What is absolute zero?
−273.15°C = 0 K, where molecular motion reaches its quantum minimum. Nothing can be colder.
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