This legacy converter sends only the numeric value and selected units to UsefulUtilities for calculation. The local-first workbench tools are labelled separately.
Calculating…
Assumption: This calculator converts temperature values, not temperature differences, which use different offset rules.
How it is calculated
Celsius to Fahrenheit uses °F = (°C × 9/5) + 32. Celsius to kelvin uses K = °C + 273.15. Kelvin values below absolute zero are not physically meaningful.
Displayed results may be rounded. Verify safety-critical, regulated or high-precision work against the applicable standard and the precision required by your application.