Temperature Converter (°C / °F / K)
Convert between Celsius, Fahrenheit and Kelvin.
Input Data
Value
From
Results
Celsius result.
25
Fahrenheit result.
77
Kelvin result.
298.15
Explanatory note about the result.
25°C = 25°C = 77°F = 298.15K。
At a glance:Conversions: °F = °C × 9/5 + 32; K = °C + 273.15; °R = °F + 459.67. Convert to Celsius first then to the target for consistency. Absolute zero is −273.15°C / 0 K.
Formula
°F = °C × 9/5 + 32.
K = °C + 273.15.
°R = °F + 459.67.
How to Use
- Enter a value and pick the source unit.
- The tool shows °C, °F and K.
Case Studies
25°C → 77°F
25 × 9/5 + 32 = 77°F.
FAQ
What is absolute zero?
−273.15°C = 0 K = −459.67°F, the lowest possible temperature.
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References
Content review: Calculatorism Science Team. Results are for reference only; please refer to the relevant authorities for the official figures.