Teaspoons (US) to gills (UK) conversion calculator above calculates how many gills (UK) are in 'X' teaspoons (US) (where 'X' is the number of teaspoons (US) to convert to gills (UK)). In order to convert a value from teaspoons (US) to gills (UK) simply type the number of tsp to be converted to gills (UK) and then click on the 'convert' button.