Mass per volume density.
Kilograms per Cup to Stones per Pint Converter — kg/cup to st/pt
Convert Kilogram per Cup (kg/cup) to Stone per Pint (st/pt) using the exact conversion factor (1 kilogram per cup = 0.3149460888 stone per pint). See the formula, worked examples, and conversion table.
Kilograms per Cup to Stones per Pint 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 / 13420.55986.
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 Pint
Kilogram per Cup and Stone per Pint 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 pint = kilograms per cup × 0.314946088836
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 pint equals 13420.5598595 base units, so dividing one by the other gives the direct kilogram per cup-to-stone per pint factor of 0.314946088836.
Simple example
1 kg/cup × 0.3149460888 = 0.3149460888 st/pt
1 kilogram per cup = 0.3149460888 stones per pint.
Real-world example
1,000 kg/cup × 0.3149460888 = 314.9460888 st/pt
1,000 kilograms per cup = 314.9460888 stones per pint.
Conversion table
| Kilogram per Cup (kg/cup) | Stone per Pint (st/pt) |
|---|---|
| 0.1 kg/cup | 0.0314946089 st/pt |
| 1 kg/cup | 0.3149460888 st/pt |
| 10 kg/cup | 3.149460888 st/pt |
| 100 kg/cup | 31.49460888 st/pt |
| 1,000 kg/cup | 314.9460888 st/pt |
| 10,000 kg/cup | 3,149.460888 st/pt |
Reverse conversion: Stone per Pint to Kilogram per Cup
0.3149460888 st/pt × 3.17514659 = 0.9999999999 kg/cup
0.3149460888 stones per pint = 0.9999999999 kilograms per cup.
kilograms per cup = stones per pint × 3.17514659
For a page dedicated to this direction, see Stone per Pint to Kilogram per Cup.
Understanding the Kilogram per Cup (kg/cup)
Mass per volume density.
Understanding the Stone per Pint (st/pt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per pint are in 1 kilogram per cup?
1 kilogram per cup equals 0.3149460888 stones per pint, using the exact defined conversion factor rather than an estimate.
How do I convert kilogram per cup to stone per pint?
Multiply the kilogram per cup value by 0.3149460888. The converter above does this instantly to whatever precision you set.
How do I convert stone per pint back to kilogram per cup?
Use the reverse factor: 1 stone per pint equals 3.17514659 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 pint?
Stone per Pint (st/pt) is a unit of density.
Is the kilogram per cup to stone per pint conversion exact?
Yes. Both kilogram per cup and stone per pint are defined by fixed standards rather than physical artifacts, so the factor of 0.3149460888 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.