grams i believe
It is customary.
metric and customary
Customary Units
the english system of measure
yes
j
customary
-- ounce -- furlong -- gallon
No, a gram is not a customary unit of measurement; it is part of the metric system. The customary units of measurement commonly used in the United States include ounces, pounds, and gallons. Grams are primarily used in scientific contexts and in most countries around the world for measuring weight.
A "gran" is a German measurement, it is neither customary or metric. A "gram" is a metric unit.
a ruler
It would be yards.