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How Much Is 100 Grams of Water in Milliliters?

100 grams of water equals 100.00 ml. Water has a density of 236.59g per cup. Because grams measure weight and milliliters measure volume, the result depends on the ingredient's density.

100 grams of water
=
100.00ml
Try: 5 grams = 5 ml 10 grams = 10 ml 25 grams = 25.00 ml 50 grams = 50.00 ml
Compare: 100 grams buttermilk = 96.57 ml 100 grams coconut milk = 104.68 ml 100 grams coconut oil = 108.53 ml
Convert a different ingredient
100 grams of water is also
0.42 cup (cups) 6.76 tbsp (tablespoons) 20.29 tsp (teaspoons) 3.38 fl oz (fluid ounces) 0.21 pt (pints) 0.11 qt (quarts) 0.1 L (liters) 0 gal (gallons)
100.00

Formula and Step-by-Step

grams ÷ 236.59g/cup × 236.588 = milliliters
  1. Start with 100 grams of water
  2. 1 cup of water = 236.59g
  3. 100g ÷ 236.59g/cup = 0.42 cups × 236.588 = 100.00 milliliters

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 cup 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 grams measurements. Your amount (100 grams) is highlighted.

10 g10 ml25 g25.00 ml50 g50.00 ml75 g75.00 ml100 g100.00 ml150 g150.00 ml200 g200.00 ml250 g250.00 ml

Other Amounts of Water

Grams Milliliters
5 grams 5.00 ml
10 grams 10.00 ml
25 grams 25.00 ml
50 grams 50.00 ml
75 grams 75.00 ml
100 grams 100.00 ml
150 grams 150.00 ml
200 grams 200.00 ml
250 grams 250.00 ml
500 grams 500.00 ml

Understanding the Units

What is a Gram?

A gram (g) is a metric unit of mass equal to 1/1000 of a kilogram. It is the standard weight measurement for precise baking worldwide. Professional bakers prefer grams because they are more accurate than volume measurements.

What is a Milliliter?

Most kitchen measuring cups outside the US are marked in milliliters. A standard metric cup is 250 ml. When converting American recipes, 1 US cup = 236.588 ml.

Frequently Asked Questions

About 100.00 ml, 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.
Divide the grams by 236.59 (grams per cup) to get cups, then multiply by 236.588 to get milliliters. For 100 grams: 100 ÷ 236.59 = 0.42 cups × 236.588 = 100.00 ml.
For the most accurate results, weigh water on a kitchen scale. If measuring by volume, use a liquid measuring cup 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: 100.00 ml ÷ 236.588 = 0.422672 cups, then 0.422672 × 236.59g/cup = 100g. Or use the Milliliters to Grams converter.
person Written by Sean Day verified Reviewed by CookingConvert update Last updated Apr 3, 2026