Mass per volume density.
Kilograms per Cubic yard to Stones per Cubic Meter Converter — kg/yd3 to st/m3
Convert Kilogram per Cubic yard (kg/yd3) to Stone per Cubic Meter (st/m3) using the exact conversion factor (1 kilogram per cubic yard = 0.205966966 stone per cubic meter). See the formula, worked examples, conversion table, and common uses.
Kilograms per Cubic yard to Stones per Cubic Meter 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 1.307950619 / 6.35029318.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Kilograms per Cubic yard to Stones per Cubic Meter
Kilogram per Cubic yard and Stone per Cubic Meter 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. Kilogram per Cubic yard is most often used for can be used to express the density of bulk construction materials such as gravel, soil, or aggregate — in practice, us construction and landscaping references more commonly express this as tons per cubic yard or pounds per cubic foot.
Formula
stones per cubic meter = kilograms per cubic yard × 0.205966965972
This factor comes from each unit's defined relationship to the category's base unit: 1 kilogram per cubic yard equals 1.30795061931 base units, and 1 stone per cubic meter equals 6.35029318 base units, so dividing one by the other gives the direct kilogram per cubic yard-to-stone per cubic meter factor of 0.205966965972.
Simple example
1 kg/yd3 × 0.205966966 = 0.205966966 st/m3
1 kilogram per cubic yard = 0.205966966 stones per cubic meter.
Real-world example
1,000 kg/yd3 × 0.205966966 = 205.966966 st/m3
1,000 kilograms per cubic yard = 205.966966 stones per cubic meter.
Conversion table
| Kilogram per Cubic yard (kg/yd3) | Stone per Cubic Meter (st/m3) |
|---|---|
| 0.1 kg/yd3 | 0.0205966966 st/m3 |
| 1 kg/yd3 | 0.205966966 st/m3 |
| 10 kg/yd3 | 2.05966966 st/m3 |
| 100 kg/yd3 | 20.5966966 st/m3 |
| 1,000 kg/yd3 | 205.966966 st/m3 |
| 10,000 kg/yd3 | 2,059.66966 st/m3 |
Reverse conversion: Stone per Cubic Meter to Kilogram per Cubic yard
0.205966966 st/m3 × 4.8551475 = 1 kg/yd3
0.205966966 stones per cubic meter = 1 kilograms per cubic yard.
kilograms per cubic yard = stones per cubic meter × 4.85514750039
For a page dedicated to this direction, see Stone per Cubic Meter to Kilogram per Cubic yard.
Understanding the Kilogram per Cubic yard
Kilogram per Cubic yard (kg/yd3) measures density. A mathematically valid way to express bulk material density in kilograms per cubic yard. It is classified as a mixed metric/US customary density unit.
Uses of the Kilogram per Cubic yard today
- Can be used to express the density of bulk construction materials such as gravel, soil, or aggregate — in practice, US construction and landscaping references more commonly express this as tons per cubic yard or pounds per cubic foot
Understanding the Stone per Cubic Meter (st/m3)
Mass per volume density.
Kilogram per Cubic yard — sources
- US construction and landscaping material-estimating references — Bulk material weight by volume is typically reported in tons per cubic yard in US construction and landscaping contexts.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per cubic meter are in 1 kilogram per cubic yard?
1 kilogram per cubic yard equals 0.205966966 stones per cubic meter, using the exact defined conversion factor rather than an estimate.
How do I convert kilogram per cubic yard to stone per cubic meter?
Multiply the kilogram per cubic yard value by 0.205966966. The converter above does this instantly to whatever precision you set.
How do I convert stone per cubic meter back to kilogram per cubic yard?
Use the reverse factor: 1 stone per cubic meter equals 4.8551475 kilograms per cubic yard. You can also use the swap control in the converter above to flip the direction instantly.
What is a kilogram per cubic yard?
Kilogram per Cubic yard (kg/yd3) measures density. A mathematically valid way to express bulk material density in kilograms per cubic yard. It is classified as a mixed metric/US customary density unit.
What is a stone per cubic meter?
Stone per Cubic Meter (st/m3) is a unit of density.
Is the kilogram per cubic yard to stone per cubic meter conversion exact?
Yes. Both kilogram per cubic yard and stone per cubic meter are defined by fixed standards rather than physical artifacts, so the factor of 0.205966966 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.