Temperature converter
Calculate, convert and check circuit values in your browser.
Inputs
Results
- °C
- 25 °C
- °F
- 77 °F
- K
- 298.15 K
Questions, examples and engineering limits
Convert °C, °F and K with worked examples. Understand absolute zero and why temperature rise uses a different conversion from absolute temperature.
Content updated:
How is Temperature Converter: Celsius, Fahrenheit and Kelvin calculated?
Use °F = 1.8 × °C + 32; K = °C + 273.15. Convert °C, °F and K with worked examples. Understand absolute zero and why temperature rise uses a different conversion from absolute temperature.
Sources: nist.gov [1]
How do I calculate this example: 25 °C?
77 °F = 298.15 K. This is a calculated example under the model stated above; it is not a measured component specification.
Which units does Temperature Converter: Celsius, Fahrenheit and Kelvin use?
°C, °F, K. Convert prefixes before substituting values; keep the input and output units attached to every number.
Sources: nist.gov [1]
Is a 10 °C rise equal to a 10 K rise?
Yes. A 10 °C difference equals 10 K or 18 °F. Do not add 32 or 273.15 when converting a temperature difference.
Sources: nist.gov [1]
Why is a negative Kelvin input rejected?
For ordinary engineering temperatures, 0 K is absolute zero, −273.15 °C. This converter does not model specialized negative-temperature statistical systems.
Sources: nist.gov [1]
Does converting ambient temperature predict component temperature?
No. Operating temperature also depends on losses, thermal paths, airflow and nearby heat sources. A unit conversion is not a thermal simulation.
Sources: coilcraft.com [1]
Answers use the stated model and units. Examples are calculated values, not measurements or component ratings.