Mass per volume density.
Long tons per Cubic yard to Stone per Cubic inches Converter — long ton/yd3 to st/in3
Convert Long ton per Cubic yard (long ton/yd3) to Stone per Cubic inch (st/in3) using the exact conversion factor (1 long ton per cubic yard = 0.0034293553 stone per cubic inch). See the formula, worked examples, and conversion table.
Long tons per Cubic yard to Stone per Cubic inches 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 1328.939184 / 387518.6659.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Long tons per Cubic yard to Stone per Cubic inches
Long ton per Cubic yard and Stone per Cubic inch 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
stone per cubic inches = long tons per cubic yard × 0.00342935528121
This factor comes from each unit's defined relationship to the category's base unit: 1 long ton per cubic yard equals 1328.93918362 base units, and 1 stone per cubic inch equals 387518.665943 base units, so dividing one by the other gives the direct long ton per cubic yard-to-stone per cubic inch factor of 0.00342935528121.
Simple example
1 long ton/yd3 × 0.003429355281 = 0.0034293553 st/in3
1 long ton per cubic yard = 0.0034293553 stone per cubic inches.
Real-world example
1,000 long ton/yd3 × 0.003429355281 = 3.429355281 st/in3
1,000 long tons per cubic yard = 3.429355281 stone per cubic inches.
Conversion table
| Long ton per Cubic yard (long ton/yd3) | Stone per Cubic inch (st/in3) |
|---|---|
| 0.1 long ton/yd3 | 0.0003429355 st/in3 |
| 1 long ton/yd3 | 0.0034293553 st/in3 |
| 10 long ton/yd3 | 0.0342935528 st/in3 |
| 100 long ton/yd3 | 0.3429355281 st/in3 |
| 1,000 long ton/yd3 | 3.429355281 st/in3 |
| 10,000 long ton/yd3 | 34.29355281 st/in3 |
Reverse conversion: Stone per Cubic inch to Long ton per Cubic yard
0.0034293553 st/in3 × 291.6 = 1.000000005 long ton/yd3
0.0034293553 stone per cubic inches = 1.000000005 long tons per cubic yard.
long tons per cubic yard = stone per cubic inches × 291.6
For a page dedicated to this direction, see Stone per Cubic inch to Long ton per Cubic yard.
Understanding the Long ton per Cubic yard (long ton/yd3)
Mass per volume density.
Understanding the Stone per Cubic inch (st/in3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stone per cubic inches are in 1 long ton per cubic yard?
1 long ton per cubic yard equals 0.0034293553 stone per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert long ton per cubic yard to stone per cubic inch?
Multiply the long ton per cubic yard value by 0.003429355281. The converter above does this instantly to whatever precision you set.
How do I convert stone per cubic inch back to long ton per cubic yard?
Use the reverse factor: 1 stone per cubic inch equals 291.6 long tons per cubic yard. You can also use the swap control in the converter above to flip the direction instantly.
What is a long ton per cubic yard?
Long ton per Cubic yard (long ton/yd3) is a unit of density.
What is a stone per cubic inch?
Stone per Cubic inch (st/in3) is a unit of density.
Is the long ton per cubic yard to stone per cubic inch conversion exact?
Yes. Both long ton per cubic yard and stone per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 0.003429355281 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.