Mass per volume density.
Grain per Cubic inches to Slugs per Pint Converter — gr/in3 to slug/pt
Convert Grain per Cubic inch (gr/in3) to Slug per Pint (slug/pt) using the exact conversion factor (1 grain per cubic inch = 0.0001282089 slug per pint). See the formula, worked examples, and conversion table.
Grain per Cubic inches to Slugs per Pint 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 3.954272101 / 30842.41033.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grain per Cubic inches to Slugs per Pint
Grain per Cubic inch and Slug per Pint 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 pint = grain per cubic inches × 0.000128208919458
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per cubic inch equals 3.95427210146 base units, and 1 slug per pint equals 30842.4103267 base units, so dividing one by the other gives the direct grain per cubic inch-to-slug per pint factor of 0.000128208919458.
Simple example
1 gr/in3 × 0.0001282089195 = 0.0001282089 slug/pt
1 grain per cubic inch = 0.0001282089 slugs per pint.
Real-world example
1,000 gr/in3 × 0.0001282089195 = 0.1282089195 slug/pt
1,000 grain per cubic inches = 0.1282089195 slugs per pint.
Conversion table
| Grain per Cubic inch (gr/in3) | Slug per Pint (slug/pt) |
|---|---|
| 0.1 gr/in3 | 0.0000128209 slug/pt |
| 1 gr/in3 | 0.0001282089 slug/pt |
| 10 gr/in3 | 0.0012820892 slug/pt |
| 100 gr/in3 | 0.012820892 slug/pt |
| 1,000 gr/in3 | 0.1282089195 slug/pt |
| 10,000 gr/in3 | 1.282089195 slug/pt |
Reverse conversion: Slug per Pint to Grain per Cubic inch
0.0001282089 slug/pt × 7799.769347 = 0.9999998482 gr/in3
0.0001282089 slugs per pint = 0.9999998482 grain per cubic inches.
grain per cubic inches = slugs per pint × 7799.76934701
For a page dedicated to this direction, see Slug per Pint to Grain per Cubic inch.
Understanding the Grain per Cubic inch (gr/in3)
Mass per volume density.
Understanding the Slug per Pint (slug/pt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per pint are in 1 grain per cubic inch?
1 grain per cubic inch equals 0.0001282089 slugs per pint, using the exact defined conversion factor rather than an estimate.
How do I convert grain per cubic inch to slug per pint?
Multiply the grain per cubic inch value by 0.0001282089195. The converter above does this instantly to whatever precision you set.
How do I convert slug per pint back to grain per cubic inch?
Use the reverse factor: 1 slug per pint equals 7,799.769347 grain per cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per cubic inch?
Grain per Cubic inch (gr/in3) is a unit of density.
What is a slug per pint?
Slug per Pint (slug/pt) is a unit of density.
Is the grain per cubic inch to slug per pint conversion exact?
Yes. Both grain per cubic inch and slug per pint are defined by fixed standards rather than physical artifacts, so the factor of 0.0001282089195 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.