Mass per volume density.
Dram per Cubic inches to Grains per Fluid ounce Converter — dr/in3 to gr/fl oz
Convert Dram per Cubic inch (dr/in3) to Grain per Fluid ounce (gr/fl oz) using the exact conversion factor (1 dram per cubic inch = 49.34692383 grain per fluid ounce). See the formula, worked examples, and conversion table.
Dram per Cubic inches to Grains 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 108.1246278 / 2.191111814.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Dram per Cubic inches to Grains per Fluid ounce
Dram per Cubic inch and Grain 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
grains per fluid ounce = dram per cubic inches × 49.3469238281
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per cubic inch equals 108.124627774 base units, and 1 grain per fluid ounce equals 2.19111181379 base units, so dividing one by the other gives the direct dram per cubic inch-to-grain per fluid ounce factor of 49.3469238281.
Simple example
1 dr/in3 × 49.34692383 = 49.34692383 gr/fl oz
1 dram per cubic inch = 49.34692383 grains per fluid ounce.
Real-world example
1,000 dr/in3 × 49.34692383 = 49,346.92383 gr/fl oz
1,000 dram per cubic inches = 49,346.92383 grains per fluid ounce.
Conversion table
| Dram per Cubic inch (dr/in3) | Grain per Fluid ounce (gr/fl oz) |
|---|---|
| 0.1 dr/in3 | 4.934692383 gr/fl oz |
| 1 dr/in3 | 49.34692383 gr/fl oz |
| 10 dr/in3 | 493.4692383 gr/fl oz |
| 100 dr/in3 | 4,934.692383 gr/fl oz |
| 1,000 dr/in3 | 49,346.92383 gr/fl oz |
| 10,000 dr/in3 | 493,469.2383 gr/fl oz |
Reverse conversion: Grain per Fluid ounce to Dram per Cubic inch
49.34692383 gr/fl oz × 0.02026468769 = 1 dr/in3
49.34692383 grains per fluid ounce = 1 dram per cubic inches.
dram per cubic inches = grains per fluid ounce × 0.0202646876933
For a page dedicated to this direction, see Grain per Fluid ounce to Dram per Cubic inch.
Understanding the Dram per Cubic inch (dr/in3)
Mass per volume density.
Understanding the Grain per Fluid ounce (gr/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per fluid ounce are in 1 dram per cubic inch?
1 dram per cubic inch equals 49.34692383 grains per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert dram per cubic inch to grain per fluid ounce?
Multiply the dram per cubic inch value by 49.34692383. The converter above does this instantly to whatever precision you set.
How do I convert grain per fluid ounce back to dram per cubic inch?
Use the reverse factor: 1 grain per fluid ounce equals 0.0202646877 dram per cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per cubic inch?
Dram per Cubic inch (dr/in3) is a unit of density.
What is a grain per fluid ounce?
Grain per Fluid ounce (gr/fl oz) is a unit of density.
Is the dram per cubic inch to grain per fluid ounce conversion exact?
Yes. Both dram per cubic inch and grain per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 49.34692383 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.