The calculator guards against accidental cross-category conversions.
Temperature conversions account for offsets instead of simple factors.
Live validation and instant result updates instead of a submit-only workflow.
Multiple decision metrics are shown together, not only the primary answer.
Formula notes and assumptions are visible on the page so the math is easier to audit.
Reference Model
Modeled after the input style and primary output on Calculator.net's Conversion Calculator.
The page keeps the math in one place and exposes the assumptions beside the result.
Default inputs: value=10, fromUnit=length:m, toUnit=length:ft