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Temperature Converters

Convert between Celsius, Fahrenheit and Kelvin. Instant temperature converters with formulas, reference points and examples.

By MerQPrime Editorial TeamUpdated 2026-06-20Reviewed 2026-06-20Editorial policy

About temperature conversions

Temperature conversions are unusual because the scales do not share a zero point. Celsius and Fahrenheit need an offset (the 32° term) as well as a scaling factor, while Kelvin shifts Celsius by 273.15. That makes a reliable converter especially valuable for cooking, weather, science and travel.

The converters below apply the exact formulas for every Celsius, Fahrenheit and Kelvin pair, with reference points (freezing, body temperature, boiling) so you can sanity-check results at a glance.

Key formulas

Celsius to Fahrenheit

°F = (°C × 9/5) + 32

Fahrenheit to Celsius

°C = (°F − 32) × 5/9

Celsius to Kelvin

K = °C + 273.15

Kelvin to Celsius

°C = K − 273.15

Popular temperature conversions

celsius to fahrenheitfahrenheit to celsiuscelsius to kelvinkelvin to celsiusfahrenheit to kelvinkelvin to fahrenheit

Worked examples

  • •Water freezes at 0°C = 32°F = 273.15 K.
  • •Body temperature 37°C is about 98.6°F.
  • •Water boils at 100°C = 212°F.

All temperature converters

celsius → fahrenheitcelsius → kelvinfahrenheit → celsiusfahrenheit → kelvinkelvin → celsiuskelvin → fahrenheit

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Frequently asked questions

How do I convert temperature units?
Pick the temperature converter you need below, type a value, and the result appears instantly in your browser. Each pair uses the exact international factor — for example, celsius to fahrenheit: °F = (°C × 9/5) + 32.
Which temperature conversions are most common?
The most-used temperature conversions are celsius to fahrenheit, fahrenheit to celsius, celsius to kelvin. Each has a dedicated page with a calculator, formula, conversion table and FAQs.
Are these temperature converters accurate?
Yes. Every conversion uses standard international factors and precise floating-point math, suitable for everyday, academic and professional use.
Is my data sent to a server?
No. All conversions run locally in your browser on MerQPrime. Nothing you type is uploaded.
Temperature Converters — Celsius, Fahrenheit & Kelvin | MerQPrime