\define[1]\ChapterTextStretch {\line{\stretched{#1}}} \define[1]\ChapterNumberStretch{\determineheadnumber[chapter]\ChapterTextStr etch{Chapter \currentheadnumber}} \setuphead [chapter] [alternative=middle, textstyle=sansbold, numberstyle=sans, deeptextcommand=\ChapterTextStretch, deepnumbercommand=\ChapterNumberStretch] \starttext \chapter{Test Chapter Title} \input knuth \stoptext Wolfgang I've tried to modify this code to change the chapter numbers to words. That part was successful but the above code only stretches the word "Chapter" but not the numbers' words. I also get errors when I try to get all caps by inserting \WORD in the first command. \input c:/BookLayouts/MyFirstBook/Macros/numstr.tex \define[1]\ChapterTextStretch {\line{\stretched{#1}}} \define[1]\ChapterNumberStretch {\ChapterTextStretch{Chapter\ChapterNumberWords}} \define[1]\ChapterNumberWords {\determineheadnumber[chapter]\numstr{\currentheadnumber}} \setuphead [chapter] [alternative=middle, textstyle=sansbold, numberstyle=sans, deeptextcommand=\ChapterTextStretch, deepnumbercommand=\ChapterNumberStretch] \starttext \completecontent \chapter{Test Chapter Title} \input knuth \chapter{Test Chapter With Very Long Title That Might Overflow Page} \input knuth \chapter{Test Chapter With Long Title Doesn't Overflow} \input knuth \stoptext Tom