Tonnes to hundredweights (US) conversion calculator above calculates how many hundredweights (US) are in 'X' tonnes (where 'X' is the number of tonnes to convert to hundredweights (US)). In order to convert a value from tonnes to hundredweights (US) (from t to cwt) simply type the number of t to be converted to cwt and then click on the 'convert' button.