Mass per volume density.
Grains per Pint to Dram per Cubic inches Converter — gr/pt to dr/in3
Convert Grain per Pint (gr/pt) to Dram per Cubic inch (dr/in3) using the exact conversion factor (1 grain per pint = 0.001266543 dram per cubic inch). See the formula, worked examples, and conversion table.
Grains per Pint to Dram per Cubic inches 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 0.1369444884 / 108.1246278.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Pint to Dram per Cubic inches
Grain per Pint and Dram per Cubic inch 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
dram per cubic inches = grains per pint × 0.00126654298083
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per pint equals 0.136944488362 base units, and 1 dram per cubic inch equals 108.124627774 base units, so dividing one by the other gives the direct grain per pint-to-dram per cubic inch factor of 0.00126654298083.
Simple example
1 gr/pt × 0.001266542981 = 0.001266543 dr/in3
1 grain per pint = 0.001266543 dram per cubic inches.
Real-world example
1,000 gr/pt × 0.001266542981 = 1.266542981 dr/in3
1,000 grains per pint = 1.266542981 dram per cubic inches.
Conversion table
| Grain per Pint (gr/pt) | Dram per Cubic inch (dr/in3) |
|---|---|
| 0.1 gr/pt | 0.0001266543 dr/in3 |
| 1 gr/pt | 0.001266543 dr/in3 |
| 10 gr/pt | 0.0126654298 dr/in3 |
| 100 gr/pt | 0.1266542981 dr/in3 |
| 1,000 gr/pt | 1.266542981 dr/in3 |
| 10,000 gr/pt | 12.66542981 dr/in3 |
Reverse conversion: Dram per Cubic inch to Grain per Pint
0.001266543 dr/in3 × 789.5507813 = 1.000000015 gr/pt
0.001266543 dram per cubic inches = 1.000000015 grains per pint.
grains per pint = dram per cubic inches × 789.55078125
For a page dedicated to this direction, see Dram per Cubic inch to Grain per Pint.
Understanding the Grain per Pint (gr/pt)
Mass per volume density.
Understanding the Dram per Cubic inch (dr/in3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many dram per cubic inches are in 1 grain per pint?
1 grain per pint equals 0.001266543 dram per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert grain per pint to dram per cubic inch?
Multiply the grain per pint value by 0.001266542981. The converter above does this instantly to whatever precision you set.
How do I convert dram per cubic inch back to grain per pint?
Use the reverse factor: 1 dram per cubic inch equals 789.5507813 grains per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per pint?
Grain per Pint (gr/pt) is a unit of density.
What is a dram per cubic inch?
Dram per Cubic inch (dr/in3) is a unit of density.
Is the grain per pint to dram per cubic inch conversion exact?
Yes. Both grain per pint and dram per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 0.001266542981 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.