Celsius to Fahrenheit
Multiply Celsius by 9/5, then add 32. For example, 20°C becomes 68°F.
Fahrenheit to Celsius
Subtract 32 from Fahrenheit, then multiply by 5/9. For example, 68°F becomes 20°C.
Kelvin
Kelvin uses the same interval size as Celsius, with 0 K at absolute zero. 0°C equals 273.15 K.
Use the Temperature Converter for instant conversions.
Quick answer
Convert Celsius, Fahrenheit and Kelvin. Get clear results instantly in a modern desktop or mobile browser. Use the values and units shown by the tool, review the result, and keep the original inputs available if you need to compare another scenario.
Practical checklist
- Confirm the units, dates, rates or source values before calculating.
- Use consistent units and avoid rounding intermediate values too early.
- Run a second scenario when you need to understand how one input changes the result.
- For regulated fees, taxes, provider rules or professional decisions, verify the current official rule before relying on the result.
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Frequently asked questions
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Can I use the result for official or financial decisions?
Use the result as a practical estimate. Confirm legally, financially or operationally important figures with the relevant official source, provider or professional.