How many teaspoons is 100 g of water?

100 g of water is about 20 teaspoons.

Why isn't 100 g exactly 1 teaspoon?

Because water isn't the same density as water. A teaspoon holds a fixed volume, and water weighs more or less than water for that volume.

Grams of water to teaspoons

Answer

100 g of water = 20 teaspoons

Convert any amount

Amount gram = – teaspoon

Conversion table

Grams	Teaspoons
10 g	2 tsp
25 g	5 tsp
50 g	10 tsp
100 g	20 tsp
150 g	30 tsp
200 g	40 tsp
250 g	50 tsp
300 g	60 tsp
500 g	100 tsp

Handy tools for this

Digital kitchen scale The most accurate way to bake — skip the cup guesswork and weigh straight into the bowl to the nearest gram. Check price → Measuring cups set A sturdy nested set of US cups for recipes written in cups. Cheap, dishwasher-safe and built to last. Check price → Measuring spoons Tablespoon and teaspoon set for small, precise amounts of baking powder, salt and spices. Check price →

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How to measure

Water is the reference point: 1 millilitre weighs exactly 1 gram, so 1 dl = 100 g and 1 litre = 1 kg.

Frequently asked questions

How many teaspoons is 100 g of water?: 100 g of water is about 20 teaspoons.
Why isn't 100 g exactly 1 teaspoon?: Because water isn't the same density as water. A teaspoon holds a fixed volume, and water weighs more or less than water for that volume.

Related conversions

Values are approximate — ingredient density varies with brand, humidity and how you measure. For baking, weighing on a scale is always the most reliable method.