About

Temperature scales vary significantly across geography and discipline. While the United States relies on Fahrenheit for daily weather and cooking, the scientific community uses Kelvin, and the rest of the world utilizes Celsius. This fragmentation necessitates a reliable bridge for data conversion.

This application simplifies the process by providing a unified interface for converting both Imperial and Scientific units into the metric standard (Celsius). Unlike simple math inputs, this tool validates against physical impossibilities-specifically Absolute Zero-ensuring that the results generated are physically meaningful.

Formulas

Fahrenheit to Celsius:

T_(°C) = T_(°F) − 321.8

Kelvin to Celsius:

T_(°C) = T_(K) − 273.15

Reference Data

Temp (F/K)	Temp (°C)	State of Water
0 K	-273.15 °C	Absolute Zero
32 °F	0 °C	Freezing Point
68 °F	20 °C	Room Temperature
98.6 °F	37 °C	Body Temperature
212 °F	100 °C	Boiling Point
373.15 K	100 °C	Boiling Point

Frequently Asked Questions

The tool validates input against the laws of thermodynamics. If you enter a value below 0 Kelvin or -459.67°F, it will display an error, as colder temperatures are physically impossible.

Yes. The conversion factor 5/9 (or 1/1.8) is exact. There is no approximation involved.