Mass per volume density.
Grains per Cubic Millimeter to Slugs per Cubic yard Converter — gr/mm3 to slug/yd3
Convert Grain per Cubic Millimeter (gr/mm3) to Slug per Cubic yard (slug/yd3) using the exact conversion factor (1 grain per cubic millimeter = 3,394.727349 slug per cubic yard). See the formula, worked examples, and conversion table.
Grains per Cubic Millimeter to Slugs 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 64798.91 / 19.08810438.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Cubic Millimeter to Slugs per Cubic yard
Grain per Cubic Millimeter and Slug 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
slugs per cubic yard = grains per cubic millimeter × 3394.72734921
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per cubic millimeter equals 64798.91 base units, and 1 slug per cubic yard equals 19.0881043849 base units, so dividing one by the other gives the direct grain per cubic millimeter-to-slug per cubic yard factor of 3394.72734921.
Simple example
1 gr/mm3 × 3394.727349 = 3,394.727349 slug/yd3
1 grain per cubic millimeter = 3,394.727349 slugs per cubic yard.
Real-world example
1,000 gr/mm3 × 3394.727349 = 3,394,727.349 slug/yd3
1,000 grains per cubic millimeter = 3,394,727.349 slugs per cubic yard.
Conversion table
| Grain per Cubic Millimeter (gr/mm3) | Slug per Cubic yard (slug/yd3) |
|---|---|
| 0.1 gr/mm3 | 339.4727349 slug/yd3 |
| 1 gr/mm3 | 3,394.727349 slug/yd3 |
| 10 gr/mm3 | 33,947.27349 slug/yd3 |
| 100 gr/mm3 | 339,472.7349 slug/yd3 |
| 1,000 gr/mm3 | 3,394,727.349 slug/yd3 |
| 10,000 gr/mm3 | 33,947,273.49 slug/yd3 |
Reverse conversion: Slug per Cubic yard to Grain per Cubic Millimeter
1 slug/yd3 × 0.0002945744671 = 0.0002945745 gr/mm3
1 slug per cubic yard = 0.0002945745 grains per cubic millimeter.
grains per cubic millimeter = slugs per cubic yard × 0.000294574467147
For a page dedicated to this direction, see Slug per Cubic yard to Grain per Cubic Millimeter.
Understanding the Grain per Cubic Millimeter (gr/mm3)
Mass per volume density.
Understanding the Slug per Cubic yard (slug/yd3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per cubic yard are in 1 grain per cubic millimeter?
1 grain per cubic millimeter equals 3,394.727349 slugs per cubic yard, using the exact defined conversion factor rather than an estimate.
How do I convert grain per cubic millimeter to slug per cubic yard?
Multiply the grain per cubic millimeter value by 3394.727349. The converter above does this instantly to whatever precision you set.
How do I convert slug per cubic yard back to grain per cubic millimeter?
Use the reverse factor: 1 slug per cubic yard equals 0.0002945745 grains per cubic millimeter. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per cubic millimeter?
Grain per Cubic Millimeter (gr/mm3) is a unit of density.
What is a slug per cubic yard?
Slug per Cubic yard (slug/yd3) is a unit of density.
Is the grain per cubic millimeter to slug per cubic yard conversion exact?
Yes. Both grain per cubic millimeter and slug per cubic yard are defined by fixed standards rather than physical artifacts, so the factor of 3394.727349 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.