What Is Double 1½ Teaspoons?

Double 1½ teaspoons is 3 teaspoons — that's 1 tablespoon.
Measure it as: 1 tbsp

How to measure 3 teaspoons

Spoon measurements scale on a simple ladder: 1 tablespoon = 3 teaspoons, and 1 teaspoon = 2 half-teaspoons = 4 quarter-teaspoons. So double 1½ teaspoons works out to 1 tbsp — every part of it comes straight from a standard measuring spoon set.

3 teaspoons in grams

Volume-to-weight depends on the ingredient — a cup of flour weighs far less than a cup of honey. For 3 teaspoons:

Ingredient3 teaspoons weighs about
All-purpose flour8 g
Granulated sugar13 g
Brown sugar (packed)14 g
Powdered sugar8 g
Butter14 g
Milk15 g
Water15 g
Vegetable oil14 g
Honey21 g

Recipe Doubling Chart: nearby amounts

OriginalDoubleMeasure it as
½ teaspoon1 teaspoon1 tsp
¾ teaspoon1½ teaspoons1 tsp + 1/2 tsp
1 teaspoon2 teaspoons2 tsp
1½ teaspoons3 teaspoons1 tbsp
2 teaspoons4 teaspoons1 tbsp + 1 tsp
2½ teaspoons5 teaspoons1 tbsp + 2 tsp
3 teaspoons6 teaspoons2 tbsp

See the full recipe doubling chart →

Frequently asked questions

How many tablespoons is 3 teaspoons?

3 teaspoons equals exactly 1 tablespoon. That's often the easiest way to measure it: just count out level tablespoons.

What is double 1½ teaspoons in milliliters?

Double 1½ teaspoons is about 14.8 ml (0.5 fl oz).

Anything to watch out for when doubling a recipe?

Most ingredients scale straight across, but baking powder, baking soda, salt, and strong spices are best scaled to about ¾ of the multiplied amount, then adjusted to taste. Cooking and baking times also increase less than you'd expect — check early.

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