Mass per volume density.
Kilograms per Cup to Stones per Teaspoon Converter — kg/cup to st/tsp
Convert Kilogram per Cup (kg/cup) to Stone per Teaspoon (st/tsp) using the exact conversion factor (1 kilogram per cup = 0.0032806884 stone per teaspoon). See the formula, worked examples, and conversion table.
Kilograms per Cup to Stones per Teaspoon 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 / 1.28837375e+6.
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 Teaspoon
Kilogram per Cup and Stone per Teaspoon 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 teaspoon = kilograms per cup × 0.00328068842537
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 teaspoon equals 1288373.74651 base units, so dividing one by the other gives the direct kilogram per cup-to-stone per teaspoon factor of 0.00328068842537.
Simple example
1 kg/cup × 0.003280688425 = 0.0032806884 st/tsp
1 kilogram per cup = 0.0032806884 stones per teaspoon.
Real-world example
1,000 kg/cup × 0.003280688425 = 3.280688425 st/tsp
1,000 kilograms per cup = 3.280688425 stones per teaspoon.
Conversion table
| Kilogram per Cup (kg/cup) | Stone per Teaspoon (st/tsp) |
|---|---|
| 0.1 kg/cup | 0.0003280688 st/tsp |
| 1 kg/cup | 0.0032806884 st/tsp |
| 10 kg/cup | 0.0328068843 st/tsp |
| 100 kg/cup | 0.3280688425 st/tsp |
| 1,000 kg/cup | 3.280688425 st/tsp |
| 10,000 kg/cup | 32.80688425 st/tsp |
Reverse conversion: Stone per Teaspoon to Kilogram per Cup
0.0032806884 st/tsp × 304.8140726 = 0.9999999923 kg/cup
0.0032806884 stones per teaspoon = 0.9999999923 kilograms per cup.
kilograms per cup = stones per teaspoon × 304.81407264
For a page dedicated to this direction, see Stone per Teaspoon to Kilogram per Cup.
Understanding the Kilogram per Cup (kg/cup)
Mass per volume density.
Understanding the Stone per Teaspoon (st/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per teaspoon are in 1 kilogram per cup?
1 kilogram per cup equals 0.0032806884 stones per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert kilogram per cup to stone per teaspoon?
Multiply the kilogram per cup value by 0.003280688425. The converter above does this instantly to whatever precision you set.
How do I convert stone per teaspoon back to kilogram per cup?
Use the reverse factor: 1 stone per teaspoon equals 304.8140726 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 teaspoon?
Stone per Teaspoon (st/tsp) is a unit of density.
Is the kilogram per cup to stone per teaspoon conversion exact?
Yes. Both kilogram per cup and stone per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 0.003280688425 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.