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How Much Is 18 Teaspoons of Water in Grams?

18 teaspoons of water weighs 88.72 g. This is based on water having a density of 236.59g per cup. Because teaspoons measure volume and grams measure weight, the result depends on the ingredient, and a different ingredient would give a different result for the same 18 teaspoons.

18 teaspoons of water
=
88.72g
Result using all teaspoon standards info
88.72 g (US) 90.00 g (Metric Teaspoon) 106.54 g (Imperial Teaspoon)
18 teaspoons of water is also
88.72

Formula and Step-by-Step

teaspoons × 4.93g/tsp = grams
  1. Start with 18 teaspoons of water
  2. 1 teaspoon of water = 4.93g
  3. 18 × 4.93 = 88.72g

The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.

Measuring Tip

For liquids, place your measuring spoon on a flat surface and read at eye level. The bottom of the meniscus (the curve at the surface) should align with the measurement line.

Water at Different Amounts

How water scales across common teaspoons measurements. Your amount (18 teaspoons) is highlighted.

1.5 tsp7.39 g2 tsp9.86 g3 tsp14.79 g4 tsp19.72 g5 tsp24.64 g6 tsp29.57 g8 tsp39.43 g18 tsp88.72 g

For reference, 18 teaspoons of water (88.72g) is close in weight to a deck of playing cards (94g).

Other Amounts of Water

Teaspoons US Grams Metric Teaspoon Imperial Teaspoon
0.25 teaspoons 1.23 g 1.25 g 1.48 g
0.5 teaspoons 2.46 g 2.50 g 2.96 g
1 teaspoon 4.93 g 5.00 g 5.92 g
1.5 teaspoons 7.39 g 7.50 g 8.88 g
2 teaspoons 9.86 g 10.00 g 11.84 g
3 teaspoons 14.79 g 15.00 g 17.76 g
4 teaspoons 19.72 g 20.00 g 23.68 g
5 teaspoons 24.64 g 25.00 g 29.59 g
6 teaspoons 29.57 g 30.00 g 35.51 g
8 teaspoons 39.43 g 40.00 g 47.35 g
18 teaspoons 88.72 g 90.00 g 106.54 g

Understanding the Units

What is a Teaspoon?

In baking, teaspoon measurements are critical for ingredients where precision changes the outcome. Too much baking soda (1 tsp = 6g) creates a metallic taste, while too little means flat results.

What is a Gram?

Weighing ingredients in grams eliminates the variability of volume measurements. A cup of flour can weigh anywhere from 120g to 160g depending on how it was scooped, but 120g of flour is always 120g of flour.

Frequently Asked Questions

About 88.72 g, based on water having a density of 236.59g per cup. The exact amount depends on how the ingredient is measured and the specific product.
Multiply the number of teaspoons by 4.93 (grams per teaspoon for water). For 18 teaspoons: 18 × 4.93 = 88.72 g.
For the most accurate results, weigh water on a kitchen scale. If measuring by volume, use a liquid measuring spoon on a flat surface and read the level at eye height.
Temperature has a minimal effect on most cooking liquids. The density of water changes slightly with temperature, but the difference is usually less than 1-2% between refrigerator and room temperature. This conversion assumes room temperature.
Reverse the conversion: 88.72 g ÷ 4.93 = 18 teaspoons. Or use the Grams to Teaspoons converter.