Mass per volume density.
Drams per Fluid ounce to Grains per Cubic Millimeter Converter — dr/fl oz to gr/mm3
Convert Dram per Fluid ounce (dr/fl oz) to Grain per Cubic Millimeter (gr/mm3) using the exact conversion factor (1 dram per fluid ounce = 0.0009246022 grain per cubic millimeter). See the formula, worked examples, and conversion table.
Drams per Fluid ounce 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 59.91321366 / 64798.91.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Fluid ounce to Grains per Cubic Millimeter
Dram per Fluid ounce 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 = drams per fluid ounce × 0.000924602183254
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per fluid ounce equals 59.9132136584 base units, and 1 grain per cubic millimeter equals 64798.91 base units, so dividing one by the other gives the direct dram per fluid ounce-to-grain per cubic millimeter factor of 0.000924602183254.
Simple example
1 dr/fl oz × 0.0009246021833 = 0.0009246022 gr/mm3
1 dram per fluid ounce = 0.0009246022 grains per cubic millimeter.
Real-world example
1,000 dr/fl oz × 0.0009246021833 = 0.9246021833 gr/mm3
1,000 drams per fluid ounce = 0.9246021833 grains per cubic millimeter.
Conversion table
| Dram per Fluid ounce (dr/fl oz) | Grain per Cubic Millimeter (gr/mm3) |
|---|---|
| 0.1 dr/fl oz | 0.0000924602 gr/mm3 |
| 1 dr/fl oz | 0.0009246022 gr/mm3 |
| 10 dr/fl oz | 0.0092460218 gr/mm3 |
| 100 dr/fl oz | 0.0924602183 gr/mm3 |
| 1,000 dr/fl oz | 0.9246021833 gr/mm3 |
| 10,000 dr/fl oz | 9.246021833 gr/mm3 |
Reverse conversion: Grain per Cubic Millimeter to Dram per Fluid ounce
0.0009246022 gr/mm3 × 1081.546224 = 1.000000018 dr/fl oz
0.0009246022 grains per cubic millimeter = 1.000000018 drams per fluid ounce.
drams per fluid ounce = grains per cubic millimeter × 1081.546224
For a page dedicated to this direction, see Grain per Cubic Millimeter to Dram per Fluid ounce.
Understanding the Dram per Fluid ounce (dr/fl oz)
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 dram per fluid ounce?
1 dram per fluid ounce equals 0.0009246022 grains per cubic millimeter, using the exact defined conversion factor rather than an estimate.
How do I convert dram per fluid ounce to grain per cubic millimeter?
Multiply the dram per fluid ounce value by 0.0009246021833. The converter above does this instantly to whatever precision you set.
How do I convert grain per cubic millimeter back to dram per fluid ounce?
Use the reverse factor: 1 grain per cubic millimeter equals 1,081.546224 drams per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per fluid ounce?
Dram per Fluid ounce (dr/fl oz) 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 dram per fluid ounce to grain per cubic millimeter conversion exact?
Yes. Both dram per fluid ounce and grain per cubic millimeter are defined by fixed standards rather than physical artifacts, so the factor of 0.0009246021833 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.