Mass per volume density.
Stones per Pint to Long tons per Cubic yard Converter — st/pt to long ton/yd3
Convert Stone per Pint (st/pt) to Long ton per Cubic yard (long ton/yd3) using the exact conversion factor (1 stone per pint = 10.0987013 long ton per cubic yard). See the formula, worked examples, and conversion table.
Stones per Pint to Long tons per Cubic yard 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 13420.55986 / 1328.939184.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Pint to Long tons per Cubic yard
Stone per Pint and Long ton per Cubic yard 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
long tons per cubic yard = stones per pint × 10.0987012987
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per pint equals 13420.5598595 base units, and 1 long ton per cubic yard equals 1328.93918362 base units, so dividing one by the other gives the direct stone per pint-to-long ton per cubic yard factor of 10.0987012987.
Simple example
1 st/pt × 10.0987013 = 10.0987013 long ton/yd3
1 stone per pint = 10.0987013 long tons per cubic yard.
Real-world example
1,000 st/pt × 10.0987013 = 10,098.7013 long ton/yd3
1,000 stones per pint = 10,098.7013 long tons per cubic yard.
Conversion table
| Stone per Pint (st/pt) | Long ton per Cubic yard (long ton/yd3) |
|---|---|
| 0.1 st/pt | 1.00987013 long ton/yd3 |
| 1 st/pt | 10.0987013 long ton/yd3 |
| 10 st/pt | 100.987013 long ton/yd3 |
| 100 st/pt | 1,009.87013 long ton/yd3 |
| 1,000 st/pt | 10,098.7013 long ton/yd3 |
| 10,000 st/pt | 100,987.013 long ton/yd3 |
Reverse conversion: Long ton per Cubic yard to Stone per Pint
10.0987013 long ton/yd3 × 0.09902263374 = 1 st/pt
10.0987013 long tons per cubic yard = 1 stones per pint.
stones per pint = long tons per cubic yard × 0.0990226337449
For a page dedicated to this direction, see Long ton per Cubic yard to Stone per Pint.
Understanding the Stone per Pint (st/pt)
Mass per volume density.
Understanding the Long ton per Cubic yard (long ton/yd3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many long tons per cubic yard are in 1 stone per pint?
1 stone per pint equals 10.0987013 long tons per cubic yard, using the exact defined conversion factor rather than an estimate.
How do I convert stone per pint to long ton per cubic yard?
Multiply the stone per pint value by 10.0987013. The converter above does this instantly to whatever precision you set.
How do I convert long ton per cubic yard back to stone per pint?
Use the reverse factor: 1 long ton per cubic yard equals 0.0990226337 stones per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per pint?
Stone per Pint (st/pt) is a unit of density.
What is a long ton per cubic yard?
Long ton per Cubic yard (long ton/yd3) is a unit of density.
Is the stone per pint to long ton per cubic yard conversion exact?
Yes. Both stone per pint and long ton per cubic yard are defined by fixed standards rather than physical artifacts, so the factor of 10.0987013 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.