Mass per volume density.
Nanograms per Cubic Millimeter to Kilograms per Cubic yard Converter — ng/mm3 to kg/yd3
Convert Nanogram per Cubic Millimeter (ng/mm3) to Kilogram per Cubic yard (kg/yd3) using the exact conversion factor (1 nanogram per cubic millimeter = 0.0007645549 kilogram per cubic yard). See the formula, worked examples, conversion table, and common uses.
Nanograms 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 0.001 / 1.307950619.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Nanograms per Cubic Millimeter to Kilograms per Cubic yard
Nanogram 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 = nanograms per cubic millimeter × 0.000764554857984
This factor comes from each unit's defined relationship to the category's base unit: 1 nanogram per cubic millimeter equals 0.001 base units, and 1 kilogram per cubic yard equals 1.30795061931 base units, so dividing one by the other gives the direct nanogram per cubic millimeter-to-kilogram per cubic yard factor of 0.000764554857984.
Simple example
1 ng/mm3 × 0.000764554858 = 0.0007645549 kg/yd3
1 nanogram per cubic millimeter = 0.0007645549 kilograms per cubic yard.
Real-world example
1,000 ng/mm3 × 0.000764554858 = 0.764554858 kg/yd3
1,000 nanograms per cubic millimeter = 0.764554858 kilograms per cubic yard.
Conversion table
| Nanogram per Cubic Millimeter (ng/mm3) | Kilogram per Cubic yard (kg/yd3) |
|---|---|
| 0.1 ng/mm3 | 0.0000764555 kg/yd3 |
| 1 ng/mm3 | 0.0007645549 kg/yd3 |
| 10 ng/mm3 | 0.0076455486 kg/yd3 |
| 100 ng/mm3 | 0.0764554858 kg/yd3 |
| 1,000 ng/mm3 | 0.764554858 kg/yd3 |
| 10,000 ng/mm3 | 7.64554858 kg/yd3 |
Reverse conversion: Kilogram per Cubic yard to Nanogram per Cubic Millimeter
0.0007645549 kg/yd3 × 1307.950619 = 1.000000055 ng/mm3
0.0007645549 kilograms per cubic yard = 1.000000055 nanograms per cubic millimeter.
nanograms per cubic millimeter = kilograms per cubic yard × 1307.95061931
For a page dedicated to this direction, see Kilogram per Cubic yard to Nanogram per Cubic Millimeter.
Understanding the Nanogram per Cubic Millimeter (ng/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 nanogram per cubic millimeter?
1 nanogram per cubic millimeter equals 0.0007645549 kilograms per cubic yard, using the exact defined conversion factor rather than an estimate.
How do I convert nanogram per cubic millimeter to kilogram per cubic yard?
Multiply the nanogram per cubic millimeter value by 0.000764554858. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per cubic yard back to nanogram per cubic millimeter?
Use the reverse factor: 1 kilogram per cubic yard equals 1,307.950619 nanograms per cubic millimeter. You can also use the swap control in the converter above to flip the direction instantly.
What is a nanogram per cubic millimeter?
Nanogram per Cubic Millimeter (ng/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 nanogram per cubic millimeter to kilogram per cubic yard conversion exact?
Yes. Both nanogram per cubic millimeter and kilogram per cubic yard are defined by fixed standards rather than physical artifacts, so the factor of 0.000764554858 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.