Mass per volume density.
Kilograms per Cup to Stones per Liter Converter — kg/cup to st/L
Convert Kilogram per Cup (kg/cup) to Stone per Liter (st/L) using the exact conversion factor (1 kilogram per cup = 0.6655996374 stone per liter). See the formula, worked examples, and conversion table.
Kilograms per Cup to Stones per Liter 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 / 6350.29318.
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 Liter
Kilogram per Cup and Stone per Liter 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 liter = kilograms per cup × 0.665599637359
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 liter equals 6350.29318 base units, so dividing one by the other gives the direct kilogram per cup-to-stone per liter factor of 0.665599637359.
Simple example
1 kg/cup × 0.6655996374 = 0.6655996374 st/L
1 kilogram per cup = 0.6655996374 stones per liter.
Real-world example
1,000 kg/cup × 0.6655996374 = 665.5996374 st/L
1,000 kilograms per cup = 665.5996374 stones per liter.
Conversion table
| Kilogram per Cup (kg/cup) | Stone per Liter (st/L) |
|---|---|
| 0.1 kg/cup | 0.0665599637 st/L |
| 1 kg/cup | 0.6655996374 st/L |
| 10 kg/cup | 6.655996374 st/L |
| 100 kg/cup | 66.55996374 st/L |
| 1,000 kg/cup | 665.5996374 st/L |
| 10,000 kg/cup | 6,655.996374 st/L |
Reverse conversion: Stone per Liter to Kilogram per Cup
0.6655996374 st/L × 1.502404665 = 1 kg/cup
0.6655996374 stones per liter = 1 kilograms per cup.
kilograms per cup = stones per liter × 1.50240466471
For a page dedicated to this direction, see Stone per Liter to Kilogram per Cup.
Understanding the Kilogram per Cup (kg/cup)
Mass per volume density.
Understanding the Stone per Liter (st/L)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per liter are in 1 kilogram per cup?
1 kilogram per cup equals 0.6655996374 stones per liter, using the exact defined conversion factor rather than an estimate.
How do I convert kilogram per cup to stone per liter?
Multiply the kilogram per cup value by 0.6655996374. The converter above does this instantly to whatever precision you set.
How do I convert stone per liter back to kilogram per cup?
Use the reverse factor: 1 stone per liter equals 1.502404665 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 liter?
Stone per Liter (st/L) is a unit of density.
Is the kilogram per cup to stone per liter conversion exact?
Yes. Both kilogram per cup and stone per liter are defined by fixed standards rather than physical artifacts, so the factor of 0.6655996374 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.