Mass per volume density.
Grains per Milliliter to Drams per Fluid ounce Converter — gr/mL to dr/fl oz
Convert Grain per Milliliter (gr/mL) to Dram per Fluid ounce (dr/fl oz) using the exact conversion factor (1 grain per milliliter = 1.081546224 dram per fluid ounce). See the formula, worked examples, and conversion table.
Grains per Milliliter to Drams 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 64.79891 / 59.91321366.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Milliliter to Drams per Fluid ounce
Grain per Milliliter and Dram 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
drams per fluid ounce = grains per milliliter × 1.081546224
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per milliliter equals 64.79891 base units, and 1 dram per fluid ounce equals 59.9132136584 base units, so dividing one by the other gives the direct grain per milliliter-to-dram per fluid ounce factor of 1.081546224.
Simple example
1 gr/mL × 1.081546224 = 1.081546224 dr/fl oz
1 grain per milliliter = 1.081546224 drams per fluid ounce.
Real-world example
1,000 gr/mL × 1.081546224 = 1,081.546224 dr/fl oz
1,000 grains per milliliter = 1,081.546224 drams per fluid ounce.
Conversion table
| Grain per Milliliter (gr/mL) | Dram per Fluid ounce (dr/fl oz) |
|---|---|
| 0.1 gr/mL | 0.1081546224 dr/fl oz |
| 1 gr/mL | 1.081546224 dr/fl oz |
| 10 gr/mL | 10.81546224 dr/fl oz |
| 100 gr/mL | 108.1546224 dr/fl oz |
| 1,000 gr/mL | 1,081.546224 dr/fl oz |
| 10,000 gr/mL | 10,815.46224 dr/fl oz |
Reverse conversion: Dram per Fluid ounce to Grain per Milliliter
1.081546224 dr/fl oz × 0.9246021833 = 1 gr/mL
1.081546224 drams per fluid ounce = 1 grain per milliliter.
grains per milliliter = drams per fluid ounce × 0.924602183254
For a page dedicated to this direction, see Dram per Fluid ounce to Grain per Milliliter.
Understanding the Grain per Milliliter (gr/mL)
Mass per volume density.
Understanding the Dram per Fluid ounce (dr/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per fluid ounce are in 1 grain per milliliter?
1 grain per milliliter equals 1.081546224 drams per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert grain per milliliter to dram per fluid ounce?
Multiply the grain per milliliter value by 1.081546224. The converter above does this instantly to whatever precision you set.
How do I convert dram per fluid ounce back to grain per milliliter?
Use the reverse factor: 1 dram per fluid ounce equals 0.9246021833 grains per milliliter. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per milliliter?
Grain per Milliliter (gr/mL) is a unit of density.
What is a dram per fluid ounce?
Dram per Fluid ounce (dr/fl oz) is a unit of density.
Is the grain per milliliter to dram per fluid ounce conversion exact?
Yes. Both grain per milliliter and dram per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 1.081546224 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.