Meters
millimeter
feet
feet
Inches
A tape measure that measure in feet and inches (or meters and centimeters) would be most appropriate.
inches
Metres would probably be the most convenient.
millimeter
feet
Feet
feet
Inches
The most appropriate measure is a metre.
Grams is no good - it is a measure of weight not length. Kilometers measure length - but only if your table-top is a few miles long. Most appropriate would be Meters - your average dining table is about one-and-a-half meters long.
By unit of length and distance and conversion ,we can say that the most appropriate unit to measure the length of a finger is cm.
A tape measure that measure in feet and inches (or meters and centimeters) would be most appropriate.
Probably kilometers or miles :)