Fine Measurement, Circa 1978

[The Liberal Arts Garage]

I use "half a kerf" quite a bit when fitting trim. When I taught guitar building, we used "half a sixteenth."

When my father was on the roof he'd holler to me (with saw) "right of the line"
"left of the line" "center of the line". ........BLJHB

 

[KBeitz]

A pinch is about 1/4 teaspoon and so is a smidge. A dollop is about a heaping Tablespoon.
A skosh is two smidges. A smidge is four pinches or a Tad or a Jig.
A Tad is1/8th teaspoon. A Jig can be big or little...