Kilograms to Cups Converter
Density-aware kg to cups for 120+ ingredients
It depends on the ingredient. A kilogram of all-purpose flour is 8 cups, a kilogram of granulated sugar is 5 cups, and a kilogram of water is 4.2 cups.
Kilograms weigh; cups fill. Converting between them needs the ingredient's density, which is why a kilo of flour fills eight cups while a kilo of honey fills under three.
The conversion shows up when you buy a 1 kg bag of something and want to know how far it goes, or when scaling a bakery formula written in kilos down to cups.
Reference table
| kilograms | cups | grams | pounds |
|---|---|---|---|
| 0.25 kg | 2 cup | 250 g | 0.551 lb |
| 0.5 kg | 4 cup | 500 g | 1.1 lb |
| 0.75 kg | 6 cup | 750 g | 1.65 lb |
| 1 kg | 8 cup | 1000 g | 2.2 lb |
| 1.5 kg | 12 cup | 1500 g | 3.31 lb |
| 2 kg | 16 cup | 2000 g | 4.41 lb |
| 2.5 kg | 20 cup | 2500 g | 5.51 lb |
| 3 kg | 24 cup | 3000 g | 6.61 lb |
How far a kilo goes
| Ingredient | Grams per cup | Cups per kg |
|---|---|---|
| All-purpose flour | 125 g | 8.0 cups |
| Bread flour | 130 g | 7.7 cups |
| Cake flour | 100 g | 10.0 cups |
| Whole wheat flour | 120 g | 8.3 cups |
| Granulated sugar | 200 g | 5.0 cups |
| Powdered sugar | 120 g | 8.3 cups |
| Brown sugar (packed) | 220 g | 4.5 cups |
| Butter | 227 g | 4.4 cups |
| Water | 237 g | 4.2 cups |
| Rolled oats | 90 g | 11.1 cups |
| Rice (uncooked) | 185 g | 5.4 cups |
| Honey | 340 g | 2.9 cups |
What a 1 kg bag of flour actually makes
A kilogram of all-purpose flour is eight cups. A standard loaf of sandwich bread uses about 500 g of flour, so a kilo bag makes two loaves with nothing left over.
A batch of chocolate chip cookies typically uses 280–320 g of flour, so the same bag makes about three batches. A single-crust pie needs around 190 g, so a kilo covers five.
Cups back to kilograms
Multiply the number of cups by the ingredient's grams per cup, then divide by 1000. Eight cups of flour at 125 g is 1000 g, so exactly 1 kg.
This is the direction that catches people out when doubling recipes: eight cups of sugar is 1.6 kg, not 1 kg, because sugar is much denser than flour.
Frequently asked questions
How many cups are in a kilogram?
It depends on the ingredient. One kilogram is 8 cups of all-purpose flour, 5 cups of granulated sugar, or 4.2 cups of water.
How many cups is 1 kg of flour?
One kilogram of all-purpose flour is 8 cups, based on 125 g per cup.
How many kg is 4 cups of flour?
Four cups of all-purpose flour is 500 g, which is half a kilogram.
How many cups is 1 kg of sugar?
One kilogram of granulated sugar is 5 cups, based on 200 g per cup.