Just watched this take on women in the home and in society, from the early 1970s. It quotes a bit of research that reckoned a stay at home housewife does about a 75 hour week (!!) across about 11 different roles (cleaner, teacher, seamstress that you might expect but also planner - eg of holidays
RenomedWomen at Work: 5. The Lesser Half (1974) — Three married couples explain their views on women and employment. (1974)