Mass per volume density.
Grains per Fluid ounce to Drams per Milliliter Converter — gr/fl oz to dr/mL
Convert Grain per Fluid ounce (gr/fl oz) to Dram per Milliliter (dr/mL) using the exact conversion factor (1 grain per fluid ounce = 0.0012366271 dram per milliliter). See the formula, worked examples, and conversion table.
Grains per Fluid ounce to Drams per Milliliter 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 2.191111814 / 1771.845195.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Fluid ounce to Drams per Milliliter
Grain per Fluid ounce and Dram per Milliliter 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 milliliter = grains per fluid ounce × 0.00123662711595
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per fluid ounce equals 2.19111181379 base units, and 1 dram per milliliter equals 1771.84519531 base units, so dividing one by the other gives the direct grain per fluid ounce-to-dram per milliliter factor of 0.00123662711595.
Simple example
1 gr/fl oz × 0.001236627116 = 0.0012366271 dr/mL
1 grain per fluid ounce = 0.0012366271 drams per milliliter.
Real-world example
1,000 gr/fl oz × 0.001236627116 = 1.236627116 dr/mL
1,000 grains per fluid ounce = 1.236627116 drams per milliliter.
Conversion table
| Grain per Fluid ounce (gr/fl oz) | Dram per Milliliter (dr/mL) |
|---|---|
| 0.1 gr/fl oz | 0.0001236627 dr/mL |
| 1 gr/fl oz | 0.0012366271 dr/mL |
| 10 gr/fl oz | 0.0123662712 dr/mL |
| 100 gr/fl oz | 0.1236627116 dr/mL |
| 1,000 gr/fl oz | 1.236627116 dr/mL |
| 10,000 gr/fl oz | 12.36627116 dr/mL |
Reverse conversion: Dram per Milliliter to Grain per Fluid ounce
0.0012366271 dr/mL × 808.651199 = 0.9999999871 gr/fl oz
0.0012366271 drams per milliliter = 0.9999999871 grains per fluid ounce.
grains per fluid ounce = drams per milliliter × 808.651198975
For a page dedicated to this direction, see Dram per Milliliter to Grain per Fluid ounce.
Understanding the Grain per Fluid ounce (gr/fl oz)
Mass per volume density.
Understanding the Dram per Milliliter (dr/mL)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per milliliter are in 1 grain per fluid ounce?
1 grain per fluid ounce equals 0.0012366271 drams per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert grain per fluid ounce to dram per milliliter?
Multiply the grain per fluid ounce value by 0.001236627116. The converter above does this instantly to whatever precision you set.
How do I convert dram per milliliter back to grain per fluid ounce?
Use the reverse factor: 1 dram per milliliter equals 808.651199 grains per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per fluid ounce?
Grain per Fluid ounce (gr/fl oz) is a unit of density.
What is a dram per milliliter?
Dram per Milliliter (dr/mL) is a unit of density.
Is the grain per fluid ounce to dram per milliliter conversion exact?
Yes. Both grain per fluid ounce and dram per milliliter are defined by fixed standards rather than physical artifacts, so the factor of 0.001236627116 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.