Mass per volume density.
Pounds per Cubic yard to Stones per Teaspoon Converter — lb/yd3 to st/tsp
Convert Pound per Cubic yard (lb/yd3) to Stone per Teaspoon (st/tsp) using the exact conversion factor (1 pound per cubic yard = 4.604847e-7 stone per teaspoon). See the formula, worked examples, and conversion table.
Pounds per Cubic yard 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 0.5932764213 / 1.28837375e+6.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Cubic yard to Stones per Teaspoon
Pound per Cubic yard 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 = pounds per cubic yard × 4.604847e-7
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per cubic yard equals 0.593276421258 base units, and 1 stone per teaspoon equals 1288373.74651 base units, so dividing one by the other gives the direct pound per cubic yard-to-stone per teaspoon factor of 4.604847e-7.
Simple example
1 lb/yd3 × 4.604847e-7 = 4.604847e-7 st/tsp
1 pound per cubic yard = 4.604847e-7 stones per teaspoon.
Real-world example
1,000 lb/yd3 × 4.604847e-7 = 0.0004604847 st/tsp
1,000 pounds per cubic yard = 0.0004604847 stones per teaspoon.
Conversion table
| Pound per Cubic yard (lb/yd3) | Stone per Teaspoon (st/tsp) |
|---|---|
| 0.1 lb/yd3 | 4.604847e-8 st/tsp |
| 1 lb/yd3 | 4.604847e-7 st/tsp |
| 10 lb/yd3 | 0.0000046048 st/tsp |
| 100 lb/yd3 | 0.0000460485 st/tsp |
| 1,000 lb/yd3 | 0.0004604847 st/tsp |
| 10,000 lb/yd3 | 0.0046048472 st/tsp |
Reverse conversion: Stone per Teaspoon to Pound per Cubic yard
4.604847e-7 st/tsp × 2171624.727 = 0.9999999611 lb/yd3
4.604847e-7 stones per teaspoon = 0.9999999611 pounds per cubic yard.
pounds per cubic yard = stones per teaspoon × 2171624.72727
For a page dedicated to this direction, see Stone per Teaspoon to Pound per Cubic yard.
Understanding the Pound per Cubic yard (lb/yd3)
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 pound per cubic yard?
1 pound per cubic yard equals 4.604847e-7 stones per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cubic yard to stone per teaspoon?
Multiply the pound per cubic yard value by 4.604847e-7. The converter above does this instantly to whatever precision you set.
How do I convert stone per teaspoon back to pound per cubic yard?
Use the reverse factor: 1 stone per teaspoon equals 2,171,624.727 pounds per cubic yard. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per cubic yard?
Pound per Cubic yard (lb/yd3) is a unit of density.
What is a stone per teaspoon?
Stone per Teaspoon (st/tsp) is a unit of density.
Is the pound per cubic yard to stone per teaspoon conversion exact?
Yes. Both pound per cubic yard and stone per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 4.604847e-7 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.