Tools
Both tools print their rules on the page and were run across every input they allow before publishing. Neither measures anything.
Stated inches
Depth Fit Check
Mattress height plus topper thickness, checked against the stated pocket of every quilted cover of the same size. Missing figures are shown as missing, never guessed.
Size names
Size Coverage Check
A size name, counted across mattresses, frames, toppers and pads by exact match, with the empty categories marked and a verdict on whether the whole stack is filed.