Mass per volume density.
Stones per Cubic yard to Kilograms per Teaspoon Converter — st/yd3 to kg/tsp
Convert Stone per Cubic yard (st/yd3) to Kilogram per Teaspoon (kg/tsp) using the exact conversion factor (1 stone per cubic yard = 0.000040939 kilogram per teaspoon). See the formula, worked examples, and conversion table.
Stones per Cubic yard to Kilograms 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 8.305869898 / 202884.1362.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Cubic yard to Kilograms per Teaspoon
Stone per Cubic yard and Kilogram 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
kilograms per teaspoon = stones per cubic yard × 0.0000409389814932
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per cubic yard equals 8.30586989761 base units, and 1 kilogram per teaspoon equals 202884.136211 base units, so dividing one by the other gives the direct stone per cubic yard-to-kilogram per teaspoon factor of 0.0000409389814932.
Simple example
1 st/yd3 × 0.00004093898149 = 0.000040939 kg/tsp
1 stone per cubic yard = 0.000040939 kilograms per teaspoon.
Real-world example
1,000 st/yd3 × 0.00004093898149 = 0.0409389815 kg/tsp
1,000 stones per cubic yard = 0.0409389815 kilograms per teaspoon.
Conversion table
| Stone per Cubic yard (st/yd3) | Kilogram per Teaspoon (kg/tsp) |
|---|---|
| 0.1 st/yd3 | 0.0000040939 kg/tsp |
| 1 st/yd3 | 0.000040939 kg/tsp |
| 10 st/yd3 | 0.0004093898 kg/tsp |
| 100 st/yd3 | 0.0040938981 kg/tsp |
| 1,000 st/yd3 | 0.0409389815 kg/tsp |
| 10,000 st/yd3 | 0.4093898149 kg/tsp |
Reverse conversion: Kilogram per Teaspoon to Stone per Cubic yard
0.000040939 kg/tsp × 24426.59694 = 1.000000452 st/yd3
0.000040939 kilograms per teaspoon = 1.000000452 stones per cubic yard.
stones per cubic yard = kilograms per teaspoon × 24426.5969383
For a page dedicated to this direction, see Kilogram per Teaspoon to Stone per Cubic yard.
Understanding the Stone per Cubic yard (st/yd3)
Mass per volume density.
Understanding the Kilogram per Teaspoon (kg/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilograms per teaspoon are in 1 stone per cubic yard?
1 stone per cubic yard equals 0.000040939 kilograms per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert stone per cubic yard to kilogram per teaspoon?
Multiply the stone per cubic yard value by 0.00004093898149. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per teaspoon back to stone per cubic yard?
Use the reverse factor: 1 kilogram per teaspoon equals 24,426.59694 stones per cubic yard. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per cubic yard?
Stone per Cubic yard (st/yd3) is a unit of density.
What is a kilogram per teaspoon?
Kilogram per Teaspoon (kg/tsp) is a unit of density.
Is the stone per cubic yard to kilogram per teaspoon conversion exact?
Yes. Both stone per cubic yard and kilogram per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 0.00004093898149 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.