Mass per volume density.
Slugs per Cup to Grains per Cubic Millimeter Converter — slug/cup to gr/mm3
Convert Slug per Cup (slug/cup) to Grain per Cubic Millimeter (gr/mm3) using the exact conversion factor (1 slug per cup = 0.9519422573 grain per cubic millimeter). See the formula, worked examples, and conversion table.
Slugs per Cup to Grains per Cubic Millimeter 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 61684.82065 / 64798.91.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Slugs per Cup to Grains per Cubic Millimeter
Slug per Cup and Grain per Cubic Millimeter 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
grains per cubic millimeter = slugs per cup × 0.95194225726
This factor comes from each unit's defined relationship to the category's base unit: 1 slug per cup equals 61684.8206534 base units, and 1 grain per cubic millimeter equals 64798.91 base units, so dividing one by the other gives the direct slug per cup-to-grain per cubic millimeter factor of 0.95194225726.
Simple example
1 slug/cup × 0.9519422573 = 0.9519422573 gr/mm3
1 slug per cup = 0.9519422573 grains per cubic millimeter.
Real-world example
1,000 slug/cup × 0.9519422573 = 951.9422573 gr/mm3
1,000 slugs per cup = 951.9422573 grains per cubic millimeter.
Conversion table
| Slug per Cup (slug/cup) | Grain per Cubic Millimeter (gr/mm3) |
|---|---|
| 0.1 slug/cup | 0.0951942257 gr/mm3 |
| 1 slug/cup | 0.9519422573 gr/mm3 |
| 10 slug/cup | 9.519422573 gr/mm3 |
| 100 slug/cup | 95.19422573 gr/mm3 |
| 1,000 slug/cup | 951.9422573 gr/mm3 |
| 10,000 slug/cup | 9,519.422573 gr/mm3 |
Reverse conversion: Grain per Cubic Millimeter to Slug per Cup
0.9519422573 gr/mm3 × 1.050483884 = 1 slug/cup
0.9519422573 grains per cubic millimeter = 1 slugs per cup.
slugs per cup = grains per cubic millimeter × 1.05048388426
For a page dedicated to this direction, see Grain per Cubic Millimeter to Slug per Cup.
Understanding the Slug per Cup (slug/cup)
Mass per volume density.
Understanding the Grain per Cubic Millimeter (gr/mm3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per cubic millimeter are in 1 slug per cup?
1 slug per cup equals 0.9519422573 grains per cubic millimeter, using the exact defined conversion factor rather than an estimate.
How do I convert slug per cup to grain per cubic millimeter?
Multiply the slug per cup value by 0.9519422573. The converter above does this instantly to whatever precision you set.
How do I convert grain per cubic millimeter back to slug per cup?
Use the reverse factor: 1 grain per cubic millimeter equals 1.050483884 slugs per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a slug per cup?
Slug per Cup (slug/cup) is a unit of density.
What is a grain per cubic millimeter?
Grain per Cubic Millimeter (gr/mm3) is a unit of density.
Is the slug per cup to grain per cubic millimeter conversion exact?
Yes. Both slug per cup and grain per cubic millimeter are defined by fixed standards rather than physical artifacts, so the factor of 0.9519422573 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.