Mass per volume density.
Kilograms per Cup to Stones per Cup Converter — kg/cup to st/cup
Convert Kilogram per Cup (kg/cup) to Stone per Cup (st/cup) using the exact conversion factor (1 kilogram per cup = 0.1574730444 stone per cup). See the formula, worked examples, and conversion table.
Kilograms per Cup to Stones per Cup 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 4226.752838 / 26841.11972.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Kilograms per Cup to Stones per Cup
Kilogram per Cup and Stone per Cup 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
stones per cup = kilograms per cup × 0.157473044418
This factor comes from each unit's defined relationship to the category's base unit: 1 kilogram per cup equals 4226.75283773 base units, and 1 stone per cup equals 26841.119719 base units, so dividing one by the other gives the direct kilogram per cup-to-stone per cup factor of 0.157473044418.
Simple example
1 kg/cup × 0.1574730444 = 0.1574730444 st/cup
1 kilogram per cup = 0.1574730444 stones per cup.
Real-world example
1,000 kg/cup × 0.1574730444 = 157.4730444 st/cup
1,000 kilograms per cup = 157.4730444 stones per cup.
Conversion table
| Kilogram per Cup (kg/cup) | Stone per Cup (st/cup) |
|---|---|
| 0.1 kg/cup | 0.0157473044 st/cup |
| 1 kg/cup | 0.1574730444 st/cup |
| 10 kg/cup | 1.574730444 st/cup |
| 100 kg/cup | 15.74730444 st/cup |
| 1,000 kg/cup | 157.4730444 st/cup |
| 10,000 kg/cup | 1,574.730444 st/cup |
Reverse conversion: Stone per Cup to Kilogram per Cup
0.1574730444 st/cup × 6.35029318 = 0.9999999999 kg/cup
0.1574730444 stones per cup = 0.9999999999 kilograms per cup.
kilograms per cup = stones per cup × 6.35029318
For a page dedicated to this direction, see Stone per Cup to Kilogram per Cup.
Understanding the Kilogram per Cup (kg/cup)
Mass per volume density.
Understanding the Stone per Cup (st/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per cup are in 1 kilogram per cup?
1 kilogram per cup equals 0.1574730444 stones per cup, using the exact defined conversion factor rather than an estimate.
How do I convert kilogram per cup to stone per cup?
Multiply the kilogram per cup value by 0.1574730444. The converter above does this instantly to whatever precision you set.
How do I convert stone per cup back to kilogram per cup?
Use the reverse factor: 1 stone per cup equals 6.35029318 kilograms per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a kilogram per cup?
Kilogram per Cup (kg/cup) is a unit of density.
What is a stone per cup?
Stone per Cup (st/cup) is a unit of density.
Is the kilogram per cup to stone per cup conversion exact?
Yes. Both kilogram per cup and stone per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.1574730444 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.