1 tablespoon of vinegar is a small amount that is about the size of a grape. It weighs 0.527 oz (14.9 g) and has a volume of 1 tbsp (14.8 mL).

In kitchen measures
3 teaspoons
3 tsp · 1 tbsp · 0.063 cups
about the size of a grape
Vinegar typically ranges 1–1.02 g/mL depending on how it's packed. A firmly packed scoop weighs more.