Which has the least capacity, 1gal 4qt 6pt 15c
4qt is what i learned it was hope this helps you.
2cups=1pint2pint=1quart4quart=1gallonconvert all to cups1gall=4quarts=8pints=16cups4quarts=8pints=16cups6pints=12cups15cups=15cupscomparewhich is least16,16,12,15least is 1212cups=6pintsleast is 6pt