How many grams is 1 tablespoon of vanilla extract?

1 tablespoon of vanilla extract weighs

13g

That's 0.5oz. An Australian 20ml tablespoon holds 18g.

A level US or UK tablespoon (15ml).

Other amounts of vanilla extract

Full table for vanilla extract

Where these numbers come from

USDA FoodData Central, SR Legacy, food 02050: “Vanilla extract”. USDA lists these household measures for it:

1 tsp = 4.2g
1 tbsp = 13g
1 cup = 208g

Fractions of a cup are the cup weight scaled down. Metric-cup figures assume a 250ml cup, and Australian tablespoons hold 20ml. Weights under 10g are rounded to 0.1g, everything else to the nearest gram. Full source list.