One kilogram of whole milk is 0.96962392 litres, so converting kilograms of whole milk to litres means multiplying by 0.96962392. That factor is specific to this ingredient — it comes from its density, not from any relationship between the two units.
Put next to water — 1 g per mL exactly — whole milk measures 1.0313 g per mL. That ratio, 103.1%, is what separates this page from every other ingredient in the same units, and it is measured rather than defined.
A litre of whole milk weighs 1.0313 kg, because its density is 1.0313 kg per litre. Litres and kilograms are the units this ingredient is actually bought in at any scale beyond a single recipe, which is what makes this the useful conversion for batch cooking and for costing.
A kilogram of whole milk is 4.098 cups, and a 500 g pack is 2.049 cups. Metric pack sizes are round numbers in weight and awkward ones in volume, which is the practical argument for scaling a recipe by weight: 2.049 cups is a measurement you have to count out, 500 g is one you read off.
What the number depends on: About 87% water, with dissolved sugars and protein making up the rest — which is what puts it just above water in density.
The formula
kilograms- The amount of whole milk you are converting, in kilograms
0.969623920082- Litres per kilogram for whole milk, from its density of 1.0313 g/mL
litres- The equivalent quantity in litres
How it works, step by step
- Enter the quantity in kilograms.
- It is multiplied by 0.969623920082, the litres-per-kilogram figure for whole milk.
- The result appears in litres, with a second reading in cups beneath it.
- Use the measure table if you want a standard recipe quantity rather than a number you type in.
Worked examples
1/2 kg of whole milk in litres
1/2 kg of whole milk weighs out at 0.484812 litres. Divide 0.484812 by 0.96962392 and you get back to 1/2 kg, which is the quickest check that the factor is the right way up.
1 kg of whole milk in litres
1 kg of whole milk weighs out at 0.969624 litres. Divide 0.969624 by 0.96962392 and you get back to 1 kg, which is the quickest check that the factor is the right way up.
2 kg of whole milk in litres
Take 2 kg of whole milk: 2 × 0.96962392 gives 1.93925 litres. Doubling the batch takes it to 3.8785 litres, because the relationship is a straight proportion once the density is known.
How to read your score
Frequently asked questions
How many litres are in 1 kg of whole milk?
One kilogram of whole milk is 0.96962392 litres. Half that quantity is 0.484812 litres and double it is 1.93925 litres, so the figure scales straight up and down — there is no offset in this conversion, only the factor.
Why is a cup of whole milk not 236 g like water?
Because weight per cup depends on what is in the cup. Whole milk has a density of 1.0313 g per mL where water has 1.00, so a cup of it weighs 244 g rather than 236.6 g. That is a difference of 7.4 g per cup, and it is the reason a single volume-to-weight factor cannot be applied to every ingredient.
Does how I measure it change the weight?
Barely. Whole milk does not compress, so a cup of it is 244 g however it is poured — within about 1%, which is inside the accuracy of a domestic scale. This is the group where measuring by volume is defensible.
Is a fluid ounce of whole milk the same as an ounce?
No. A fluid ounce is a volume — one eighth of a US cup, 29.57 mL — and an ounce is a weight. One fluid ounce of whole milk weighs 1.076 oz, so the two readings differ by 7.59%. They coincide only for something with the density of water, and then only roughly.
Is this a US cup or a metric cup?
US customary: 236.59 mL, which is the cup every US recipe means. A metric cup is 250 mL, so the same cup of whole milk would weigh 257.83 g instead of 244 g — 13.8 g more, or 5.67%. Australian and some European recipes use the metric cup, and the difference is large enough to matter in baking.
Do I need a scale for this, or will measuring cups do?
A scale, if the result matters. Volume measuring carries a spread of about 1% for whole milk — roughly 2.44 g on a 244 g cup — while a domestic scale is accurate to a gram or two. For anything where the ratio of ingredients drives the outcome, bread and pastry above all, weigh it.
How much does 2 L of whole milk weigh?
2 L of whole milk comes to 2062.7 g, or 2.0627 kilograms. This page runs that calculation in reverse — enter a weight and it returns the volume — and the liters-to-kg page does it in the direction the question is usually asked.
Whole milk in kilograms and litres
| Kilograms | Litres | Unrounded |
|---|---|---|
| 0.1 kg | 0.0969624 L | 0.09696239201 |
| 1/4 kg | 0.242406 L | 0.24240598 |
| 1/2 kg | 0.484812 L | 0.48481196 |
| 3/4 kg | 0.727218 L | 0.7272179401 |
| 1 kg | 0.969624 L | 0.9696239201 |
| 1 1/2 kg | 1.45444 L | 1.45443588 |
| 2 kg | 1.93925 L | 1.93924784 |
| 3 kg | 2.90887 L | 2.90887176 |
Based on 244 g per cup of whole milk. One kilogram of whole milk is 0.96962392 litres.
| Measure | Grams | Ounces | Millilitres |
|---|---|---|---|
| 1 cup | 244 g | 8.61 oz | 236.6 mL |
| 3/4 cup | 183 g | 6.46 oz | 177.4 mL |
| 2/3 cup | 162.7 g | 5.74 oz | 157.7 mL |
| 1/2 cup | 122 g | 4.3 oz | 118.3 mL |
| 1/3 cup | 81.33 g | 2.87 oz | 78.86 mL |
| 1/4 cup | 61 g | 2.15 oz | 59.15 mL |
| 1 tbsp | 15.25 g | 0.538 oz | 14.79 mL |
| 1 tsp | 5.083 g | 0.179 oz | 4.929 mL |
US customary measures: 1 cup = 236.59 mL, 1 tbsp = 14.79 mL, 1 tsp = 4.93 mL.
| Ingredient | Grams per cup | Ounces per cup | Density (g/mL) |
|---|---|---|---|
| Tahini | 240 g | 8.466 oz | 1.014 |
| Half-and-half | 242 g | 8.536 oz | 1.023 |
| Egg whites | 243 g | 8.572 oz | 1.027 |
| Whole milk (this page) | 244 g | 8.607 oz | 1.031 |
| Skim milk | 245 g | 8.642 oz | 1.036 |
| Buttermilk | 245 g | 8.642 oz | 1.036 |
| Plain yogurt | 245 g | 8.642 oz | 1.036 |
Ordered by weight. The spread across this group is why a single generic cups-to-grams factor cannot work.