Tablespoons & Teaspoons: A Complete Conversion Guide
By Lou Lohman · Updated 2026-05-24
Tablespoons and teaspoons are the small change of cooking. Get comfortable with how they relate to each other and to cups, and a lot of recipe math becomes instant.
The core relationships
- 1 tablespoon = 3 teaspoons
- 1 tablespoon = 15 ml (US, rounded; precisely 14.79 ml)
- 1 teaspoon = 5 ml (rounded; precisely 4.93 ml)
- 1 cup = 16 tablespoons = 48 teaspoons
- ½ cup = 8 tablespoons · ¼ cup = 4 tablespoons · ⅛ cup = 2 tablespoons
Spoons to grams
Like cups, a spoon measures volume — so the weight depends on the ingredient:
- 1 tbsp all-purpose flour ≈ 7.5 g
- 1 tbsp granulated sugar ≈ 12.5 g
- 1 tbsp butter ≈ 14 g
- 1 tbsp honey ≈ 21 g
- 1 tsp baking powder ≈ 4 g
- 1 tsp baking soda ≈ 4.6 g
- 1 tsp table salt ≈ 5.7 g
For small leavening and salt amounts, teaspoon precision matters — see the baking powder and baking soda converters.
A note on the Australian tablespoon
Almost everywhere a tablespoon is 15 ml. Australia is the exception at 20 ml — four teaspoons, not three. If you are following an Australian recipe with US spoons, use a generous tablespoon plus a teaspoon.
When spoons add up
If a recipe calls for "5 tablespoons" of something, that is just over ¼ cup. Rather than counting spoonfuls, convert: our ingredient converters switch freely between teaspoons, tablespoons, cups, millilitres, and grams.