Mass per volume density.
Long tons per Cubic Millimeter to Kilograms per Cubic yard Converter — long ton/mm3 to kg/yd3
Convert Long ton per Cubic Millimeter (long ton/mm3) to Kilogram per Cubic yard (kg/yd3) using the exact conversion factor (1 long ton per cubic millimeter = 776,823,600,100 kilogram per cubic yard). See the formula, worked examples, conversion table, and common uses.
Long tons per Cubic Millimeter to Kilograms 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 1.01604691e+12 / 1.307950619.
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 Millimeter to Kilograms per Cubic yard
Long ton per Cubic Millimeter and Kilogram 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
kilograms per cubic yard = long tons per cubic millimeter × 776823600063
This factor comes from each unit's defined relationship to the category's base unit: 1 long ton per cubic millimeter equals 1.016047e+12 base units, and 1 kilogram per cubic yard equals 1.30795061931 base units, so dividing one by the other gives the direct long ton per cubic millimeter-to-kilogram per cubic yard factor of 776823600063.
Simple example
1 long ton/mm3 × 776823600100 = 776,823,600,100 kg/yd3
1 long ton per cubic millimeter = 776,823,600,100 kilograms per cubic yard.
Real-world example
1,000 long ton/mm3 × 776823600100 = 7.768236e+14 kg/yd3
1,000 long tons per cubic millimeter = 7.768236e+14 kilograms per cubic yard.
Conversion table
| Long ton per Cubic Millimeter (long ton/mm3) | Kilogram per Cubic yard (kg/yd3) |
|---|---|
| 0.1 long ton/mm3 | 77,682,360,010 kg/yd3 |
| 1 long ton/mm3 | 776,823,600,100 kg/yd3 |
| 10 long ton/mm3 | 7.768236e+12 kg/yd3 |
| 100 long ton/mm3 | 7.768236e+13 kg/yd3 |
| 1,000 long ton/mm3 | 7.768236e+14 kg/yd3 |
| 10,000 long ton/mm3 | 7.768236e+15 kg/yd3 |
Reverse conversion: Kilogram per Cubic yard to Long ton per Cubic Millimeter
1 kg/yd3 × 1.287294e-12 = 1.287294e-12 long ton/mm3
1 kilogram per cubic yard = 1.287294e-12 long tons per cubic millimeter.
long tons per cubic millimeter = kilograms per cubic yard × 1.287294e-12
For a page dedicated to this direction, see Kilogram per Cubic yard to Long ton per Cubic Millimeter.
Understanding the Long ton per Cubic Millimeter (long ton/mm3)
Mass per volume density.
Understanding the Kilogram per Cubic yard
Kilogram per Cubic yard (kg/yd3) measures density. A mathematically valid way to express bulk material density in kilograms per cubic yard. It is classified as a mixed metric/US customary density unit.
Uses of the Kilogram per Cubic yard today
- Can be used to express the density of bulk construction materials such as gravel, soil, or aggregate — in practice, US construction and landscaping references more commonly express this as tons per cubic yard or pounds per cubic foot
Kilogram per Cubic yard — sources
- US construction and landscaping material-estimating references — Bulk material weight by volume is typically reported in tons per cubic yard in US construction and landscaping contexts.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilograms per cubic yard are in 1 long ton per cubic millimeter?
1 long ton per cubic millimeter equals 776,823,600,100 kilograms per cubic yard, using the exact defined conversion factor rather than an estimate.
How do I convert long ton per cubic millimeter to kilogram per cubic yard?
Multiply the long ton per cubic millimeter value by 776823600100. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per cubic yard back to long ton per cubic millimeter?
Use the reverse factor: 1 kilogram per cubic yard equals 1.287294e-12 long tons per cubic millimeter. You can also use the swap control in the converter above to flip the direction instantly.
What is a long ton per cubic millimeter?
Long ton per Cubic Millimeter (long ton/mm3) is a unit of density.
What is a kilogram per cubic yard?
Kilogram per Cubic yard (kg/yd3) measures density. A mathematically valid way to express bulk material density in kilograms per cubic yard. It is classified as a mixed metric/US customary density unit.
Is the long ton per cubic millimeter to kilogram per cubic yard conversion exact?
Yes. Both long ton per cubic millimeter and kilogram per cubic yard are defined by fixed standards rather than physical artifacts, so the factor of 776823600100 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.