Mass per volume density.
Stones per Cubic Meter to Long tons per Cup Converter — st/m3 to long ton/cup
Convert Stone per Cubic Meter (st/m3) to Long ton per Cup (long ton/cup) using the exact conversion factor (1 stone per cubic meter = 0.0000014787 long ton per cup). See the formula, worked examples, and conversion table.
Stones per Cubic Meter to Long tons per Cup 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 6.35029318 / 4.29457916e+6.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Cubic Meter to Long tons per Cup
Stone per Cubic Meter and Long ton per Cup 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 cup = stones per cubic meter × 0.00000147867647813
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per cubic meter equals 6.35029318 base units, and 1 long ton per cup equals 4294579.15504 base units, so dividing one by the other gives the direct stone per cubic meter-to-long ton per cup factor of 0.00000147867647813.
Simple example
1 st/m3 × 0.000001478676478 = 0.0000014787 long ton/cup
1 stone per cubic meter = 0.0000014787 long tons per cup.
Real-world example
1,000 st/m3 × 0.000001478676478 = 0.0014786765 long ton/cup
1,000 stones per cubic meter = 0.0014786765 long tons per cup.
Conversion table
| Stone per Cubic Meter (st/m3) | Long ton per Cup (long ton/cup) |
|---|---|
| 0.1 st/m3 | 1.478676e-7 long ton/cup |
| 1 st/m3 | 0.0000014787 long ton/cup |
| 10 st/m3 | 0.0000147868 long ton/cup |
| 100 st/m3 | 0.0001478676 long ton/cup |
| 1,000 st/m3 | 0.0014786765 long ton/cup |
| 10,000 st/m3 | 0.0147867648 long ton/cup |
Reverse conversion: Long ton per Cup to Stone per Cubic Meter
0.0000014787 long ton/cup × 676280.454 = 1.000015907 st/m3
0.0000014787 long tons per cup = 1.000015907 stones per cubic meter.
stones per cubic meter = long tons per cup × 676280.454037
For a page dedicated to this direction, see Long ton per Cup to Stone per Cubic Meter.
Understanding the Stone per Cubic Meter (st/m3)
Mass per volume density.
Understanding the Long ton per Cup (long ton/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many long tons per cup are in 1 stone per cubic meter?
1 stone per cubic meter equals 0.0000014787 long tons per cup, using the exact defined conversion factor rather than an estimate.
How do I convert stone per cubic meter to long ton per cup?
Multiply the stone per cubic meter value by 0.000001478676478. The converter above does this instantly to whatever precision you set.
How do I convert long ton per cup back to stone per cubic meter?
Use the reverse factor: 1 long ton per cup equals 676,280.454 stones per cubic meter. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per cubic meter?
Stone per Cubic Meter (st/m3) is a unit of density.
What is a long ton per cup?
Long ton per Cup (long ton/cup) is a unit of density.
Is the stone per cubic meter to long ton per cup conversion exact?
Yes. Both stone per cubic meter and long ton per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.000001478676478 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.