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Grams to Millilitres — Milk
Converts gram of milk to millilitre using its real density, not a generic volume factor. One gram is 0.9857843187 millilitre.
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In short
One gram of milk is 0.9857843187 millilitre. Going the other way, one millilitre is 1.0144206811 gram. That works out at 2 gram = 1.9715686375 millilitre and 4 = 3.943137275. The figure comes from milk weighing 240 g per US cup — a generic cups-to-grams converter assumes water and will give you the wrong answer here, because volume to weight depends entirely on what is in the cup.
How to use the Grams to Millilitres — Milk
- Type the value you want to convert.
- Pick the unit you are converting from and the unit you want.
- The converted value and the exact conversion factor are shown instantly.
About the Grams to Millilitres — Milk
Whole milk is very slightly denser than water because of its dissolved sugars and proteins, though the difference is small enough that most recipes treat a cup of milk as 240 ml and move on. Skimmed milk is marginally denser than whole, since fat is the lightest component. Buttermilk and single cream are close enough to substitute by weight in most batters. The figure this page works from is 240 g per US cup, the spooned-and-levelled weight recorded by King Arthur Baking and the USDA food database. Converting gram to millilitre for milk, the amounts that come up most often are: 25 gram = 24.6 millilitre; 50 gram = 49.3 millilitre; 75 gram = 73.9 millilitre; 100 gram = 98.6 millilitre; 150 gram = 148 millilitre; 200 gram = 197 millilitre; 250 gram = 246 millilitre; 500 gram = 493 millilitre; 1000 gram = 986 millilitre.
What people use it for
- Following a US recipe with a kitchen scale instead of cup measures.
- Scaling a recipe up or down without compounding measuring error.
- Converting a European recipe written in grams into cups.
Details
| 1 US cup of milk | 240 g |
|---|---|
| 1 Gram | 0.9857843187 Millilitre |
| 1 Millilitre | 1.0144206811 Gram |
| Worth knowing | Buttermilk and single cream are close enough to substitute by weight in most batters. |
The maths behind it
This tool uses millilitre = gram × 0.9857843187, derived from milk weighing 240 g per US cup. Every intermediate value is shown on screen, so the result can be checked by hand.
Whole milk is very slightly denser than water because of its dissolved sugars and proteins, though the difference is small enough that most recipes treat a cup of milk as 240 ml and move on. Skimmed milk is marginally denser than whole, since fat is the lightest component.
Where this tool stops
Volume-to-weight conversion is inherently approximate. Humidity, brand, how finely something is milled and how long it has sat in the cupboard all shift the figure by a few per cent.
Frequently asked questions
Is a cup of milk 240 g or 240 ml?
Both, near enough. Milk is about 1.03 g per ml, so a 240 ml cup weighs roughly 245 g. For baking the difference is irrelevant; for a precise custard or a large batch it starts to show.
Why does a cup of milk not weigh the same as a cup of water?
Because a cup measures volume and a scale measures weight, and the two only agree for water. Milk has its own density — 240 g per US cup — so any generic volume converter gives the wrong answer here.
How much does the way I fill the cup matter?
Not at all, and this is one of the ingredients where cup measuring is genuinely reliable. Milk is a liquid: it cannot be packed or scooped loosely, so a cup is 240 g whoever pours it. Read the jug at eye level and the measurement is as good as a scale would give you.
Is a US cup the same as a UK or metric cup?
No. A US cup is 236.6 ml, a metric cup is 250 ml and an old UK cup is 284 ml. These pages use the US cup, because that is what US recipes mean.
Does the Grams to Millilitres — Milk cost anything?
There is no cost and no cap. The Grams to Millilitres — Milk is not a demo of a paid product, so nothing is held back or watermarked.
Is my data uploaded anywhere?
No. The Grams to Millilitres — Milk runs entirely in your browser using JavaScript. Nothing is transmitted, logged or stored, which you can verify yourself in the Network tab of your browser's developer tools.
What formula does the Grams to Millilitres — Milk use?
It uses millilitre = gram × 0.9857843187, derived from milk weighing 240 g per US cup. The full working is printed under the result, so you can follow every step rather than trusting a black box.
Give me a worked example.
Enter 2 gram of milk and the Grams to Millilitres — Milk returns 1.9715686375 millilitre.
What do people use the Grams to Millilitres — Milk for most?
Typical uses: following a US recipe with a kitchen scale instead of cup measures. Scaling a recipe up or down without compounding measuring error. Converting a European recipe written in grams into cups. It is built for exactly those cases rather than being a general-purpose tool with this bolted on.
What are the limits of the Grams to Millilitres — Milk?
Volume-to-weight conversion is inherently approximate. Humidity, brand, how finely something is milled and how long it has sat in the cupboard all shift the figure by a few per cent. Knowing where a tool stops being trustworthy matters more than the cases where it works.
What are the reference figures here?
1 US cup of milk is 240 g. 1 Gram is 0.9857843187 Millilitre. 1 Millilitre is 1.0144206811 Gram. These are printed on the page itself, so you do not have to take them on trust.
Can I rely on this for exact work?
The calculation runs in double precision and the result is shown to ten significant figures, so converting a value and converting it back returns the original. What is displayed is rounded for readability; what is copied is not.
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