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Milliliters to Grams Converter

Convert mL to grams and back. Because millilitres measure volume and grams measure weight, the result depends on the ingredient, pick one below.

Milliliters ⇄ Grams
mL
=
g
Ingredient:
Result250 mL = 250 g (Water)
Quick answer
For water, 1 mL = 1 g, so 250 mL weighs 250 g. Other ingredients differ by density: honey is 1.42 g/mL, flour about 0.53 g/mL and oil about 0.91 g/mL. That is why the same volume of flour and honey weigh very differently, choose the ingredient to get the right weight.

Conversion table

Milliliters (mL)Grams (g)
15 mL15
30 mL30
50 mL50
100 mL100
150 mL150
200 mL200
250 mL250
500 mL500

How to convert mL to Grams

grams = mL × densitywater = 1 g/mL · reverse: mL = grams ÷ density
mL
millilitres you enter
grams
result in grams
density
grams per mL for the chosen ingredient

Grams measure weight and millilitres measure volume; they only match one-to-one for water and other density-1 liquids.

Frequently asked questions

Is 1 mL the same as 1 gram?

For water and thin water-based liquids, yes: 1 mL weighs 1 g. For flour, sugar, oil or honey it is not, because their density differs from water.

How many grams is 250 mL of flour?

About 132 g, using an all-purpose flour density of 0.53 g/mL. The same 250 mL of water weighs 250 g.

How many mL is 100 grams?

For water, 100 g is 100 mL. For flour it is about 189 mL; for honey about 70 mL, because their densities differ.

How many grams is 100 mL of milk?

About 103 g, using a whole-milk density of 1.03 g/mL.

Why can't I convert mL to grams directly?

Millilitres measure volume and grams measure weight. You need the ingredient's density to link them, which is why you pick an ingredient above.