Mass per volume density.
Long tons per Cubic Meter to Stones per Cubic yard Converter — long ton/m3 to st/yd3
Convert Long ton per Cubic Meter (long ton/m3) to Stone per Cubic yard (st/yd3) using the exact conversion factor (1 long ton per cubic meter = 122.3287773 stone per cubic yard). See the formula, worked examples, and conversion table.
Long tons per Cubic Meter to Stones 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 1016.046909 / 8.305869898.
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 Meter to Stones per Cubic yard
Long ton per Cubic Meter and Stone 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
stones per cubic yard = long tons per cubic meter × 122.328777277
This factor comes from each unit's defined relationship to the category's base unit: 1 long ton per cubic meter equals 1016.0469088 base units, and 1 stone per cubic yard equals 8.30586989761 base units, so dividing one by the other gives the direct long ton per cubic meter-to-stone per cubic yard factor of 122.328777277.
Simple example
1 long ton/m3 × 122.3287773 = 122.3287773 st/yd3
1 long ton per cubic meter = 122.3287773 stones per cubic yard.
Real-world example
1,000 long ton/m3 × 122.3287773 = 122,328.7773 st/yd3
1,000 long tons per cubic meter = 122,328.7773 stones per cubic yard.
Conversion table
| Long ton per Cubic Meter (long ton/m3) | Stone per Cubic yard (st/yd3) |
|---|---|
| 0.1 long ton/m3 | 12.23287773 st/yd3 |
| 1 long ton/m3 | 122.3287773 st/yd3 |
| 10 long ton/m3 | 1,223.287773 st/yd3 |
| 100 long ton/m3 | 12,232.87773 st/yd3 |
| 1,000 long ton/m3 | 122,328.7773 st/yd3 |
| 10,000 long ton/m3 | 1,223,287.773 st/yd3 |
Reverse conversion: Stone per Cubic yard to Long ton per Cubic Meter
122.3287773 st/yd3 × 0.008174691371 = 1 long ton/m3
122.3287773 stones per cubic yard = 1 long tons per cubic meter.
long tons per cubic meter = stones per cubic yard × 0.00817469137071
For a page dedicated to this direction, see Stone per Cubic yard to Long ton per Cubic Meter.
Understanding the Long ton per Cubic Meter (long ton/m3)
Mass per volume density.
Understanding the Stone per Cubic yard (st/yd3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per cubic yard are in 1 long ton per cubic meter?
1 long ton per cubic meter equals 122.3287773 stones per cubic yard, using the exact defined conversion factor rather than an estimate.
How do I convert long ton per cubic meter to stone per cubic yard?
Multiply the long ton per cubic meter value by 122.3287773. The converter above does this instantly to whatever precision you set.
How do I convert stone per cubic yard back to long ton per cubic meter?
Use the reverse factor: 1 stone per cubic yard equals 0.0081746914 long tons per cubic meter. You can also use the swap control in the converter above to flip the direction instantly.
What is a long ton per cubic meter?
Long ton per Cubic Meter (long ton/m3) is a unit of density.
What is a stone per cubic yard?
Stone per Cubic yard (st/yd3) is a unit of density.
Is the long ton per cubic meter to stone per cubic yard conversion exact?
Yes. Both long ton per cubic meter and stone per cubic yard are defined by fixed standards rather than physical artifacts, so the factor of 122.3287773 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.