> These days, the average British pour of wine is 250 milliliters, “larger than the mean capacity of wine glasses available in the 1980s,” writes Marteau. Wow that’s a big pour - you expect to get 4-5 glasses of wine out of a standard 750ml bottle, potentially a little more than that if you’re ordering by the glass in a restaurant.
Study actually refers to "wine is increasingly served in 250 mL servings" and "usually a 175 mL measure".