Mass per volume density.
Grains per Cubic Millimeter to Slugs per Fluid ounce Converter — gr/mm3 to slug/fl oz
Convert Grain per Cubic Millimeter (gr/mm3) to Slug per Fluid ounce (slug/fl oz) using the exact conversion factor (1 grain per cubic millimeter = 0.1313104855 slug per fluid ounce). See the formula, worked examples, and conversion table.
Grains per Cubic Millimeter to Slugs per Fluid ounce 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 / 493478.5652.
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 Fluid ounce
Grain per Cubic Millimeter and Slug per Fluid ounce 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 fluid ounce = grains per cubic millimeter × 0.131310485533
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 fluid ounce equals 493478.565227 base units, so dividing one by the other gives the direct grain per cubic millimeter-to-slug per fluid ounce factor of 0.131310485533.
Simple example
1 gr/mm3 × 0.1313104855 = 0.1313104855 slug/fl oz
1 grain per cubic millimeter = 0.1313104855 slugs per fluid ounce.
Real-world example
1,000 gr/mm3 × 0.1313104855 = 131.3104855 slug/fl oz
1,000 grains per cubic millimeter = 131.3104855 slugs per fluid ounce.
Conversion table
| Grain per Cubic Millimeter (gr/mm3) | Slug per Fluid ounce (slug/fl oz) |
|---|---|
| 0.1 gr/mm3 | 0.0131310486 slug/fl oz |
| 1 gr/mm3 | 0.1313104855 slug/fl oz |
| 10 gr/mm3 | 1.313104855 slug/fl oz |
| 100 gr/mm3 | 13.13104855 slug/fl oz |
| 1,000 gr/mm3 | 131.3104855 slug/fl oz |
| 10,000 gr/mm3 | 1,313.104855 slug/fl oz |
Reverse conversion: Slug per Fluid ounce to Grain per Cubic Millimeter
0.1313104855 slug/fl oz × 7.615538058 = 0.9999999997 gr/mm3
0.1313104855 slugs per fluid ounce = 0.9999999997 grains per cubic millimeter.
grains per cubic millimeter = slugs per fluid ounce × 7.61553805808
For a page dedicated to this direction, see Slug per Fluid ounce to Grain per Cubic Millimeter.
Understanding the Grain per Cubic Millimeter (gr/mm3)
Mass per volume density.
Understanding the Slug per Fluid ounce (slug/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per fluid ounce are in 1 grain per cubic millimeter?
1 grain per cubic millimeter equals 0.1313104855 slugs per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert grain per cubic millimeter to slug per fluid ounce?
Multiply the grain per cubic millimeter value by 0.1313104855. The converter above does this instantly to whatever precision you set.
How do I convert slug per fluid ounce back to grain per cubic millimeter?
Use the reverse factor: 1 slug per fluid ounce equals 7.615538058 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 fluid ounce?
Slug per Fluid ounce (slug/fl oz) is a unit of density.
Is the grain per cubic millimeter to slug per fluid ounce conversion exact?
Yes. Both grain per cubic millimeter and slug per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 0.1313104855 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.