Hundredweights (US) to grams conversion calculator above calculates how many grams are in 'X' hundredweights (US) (where 'X' is the number of hundredweights (US) to convert to grams). In order to convert a value from hundredweights (US) to grams (from cwt to g) just type the number of cwt to be converted to g and then click on the 'convert' button.