Mass per volume density.
Grams per Cup to Kilograms per Quart Converter — g/cup to kg/qt
Convert Gram per Cup (g/cup) to Kilogram per Quart (kg/qt) using the exact conversion factor (1 gram per cup = 0.004 kilogram per quart). See the formula, worked examples, and conversion table.
Grams per Cup to Kilograms per Quart converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Context values
Some unit families need one extra value for a physically accurate result.
Mass per volume density.
Result = input x 4.226752838 / 1056.688209.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grams per Cup to Kilograms per Quart
Gram per Cup and Kilogram per Quart both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Both are mass per volume density units.
Formula
kilograms per quart = grams per cup × 0.004
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per cup equals 4.22675283773 base units, and 1 kilogram per quart equals 1056.68820943 base units, so dividing one by the other gives the direct gram per cup-to-kilogram per quart factor of 0.004.
Simple example
1 g/cup × 0.004 = 0.004 kg/qt
1 gram per cup = 0.004 kilograms per quart.
Real-world example
1,000 g/cup × 0.004 = 4 kg/qt
1,000 grams per cup = 4 kilograms per quart.
Conversion table
| Gram per Cup (g/cup) | Kilogram per Quart (kg/qt) |
|---|---|
| 0.1 g/cup | 0.0004 kg/qt |
| 1 g/cup | 0.004 kg/qt |
| 10 g/cup | 0.04 kg/qt |
| 100 g/cup | 0.4 kg/qt |
| 1,000 g/cup | 4 kg/qt |
| 10,000 g/cup | 40 kg/qt |
Reverse conversion: Kilogram per Quart to Gram per Cup
0.004 kg/qt × 250 = 1 g/cup
0.004 kilograms per quart = 1 gram per cup.
grams per cup = kilograms per quart × 250
For a page dedicated to this direction, see Kilogram per Quart to Gram per Cup.
Understanding the Gram per Cup (g/cup)
Mass per volume density.
Understanding the Kilogram per Quart (kg/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilograms per quart are in 1 gram per cup?
1 gram per cup equals 0.004 kilograms per quart, using the exact defined conversion factor rather than an estimate.
How do I convert gram per cup to kilogram per quart?
Multiply the gram per cup value by 0.004. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per quart back to gram per cup?
Use the reverse factor: 1 kilogram per quart equals 250 grams per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per cup?
Gram per Cup (g/cup) is a unit of density.
What is a kilogram per quart?
Kilogram per Quart (kg/qt) is a unit of density.
Is the gram per cup to kilogram per quart conversion exact?
Yes. Both gram per cup and kilogram per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.004 used above is exact to as many digits as you choose to display.
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.