Mass per volume density.
Grains per Cup to Drams per Liter Converter — gr/cup to dr/L
Convert Grain per Cup (gr/cup) to Dram per Liter (dr/L) using the exact conversion factor (1 grain per cup = 0.1545783895 dram per liter). See the formula, worked examples, and conversion table.
Grains per Cup to Drams per Liter 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 0.2738889767 / 1.771845195.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Cup to Drams per Liter
Grain per Cup and Dram per Liter 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 liter = grains per cup × 0.154578389494
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per cup equals 0.273888976724 base units, and 1 dram per liter equals 1.77184519531 base units, so dividing one by the other gives the direct grain per cup-to-dram per liter factor of 0.154578389494.
Simple example
1 gr/cup × 0.1545783895 = 0.1545783895 dr/L
1 grain per cup = 0.1545783895 drams per liter.
Real-world example
1,000 gr/cup × 0.1545783895 = 154.5783895 dr/L
1,000 grains per cup = 154.5783895 drams per liter.
Conversion table
| Grain per Cup (gr/cup) | Dram per Liter (dr/L) |
|---|---|
| 0.1 gr/cup | 0.015457839 dr/L |
| 1 gr/cup | 0.1545783895 dr/L |
| 10 gr/cup | 1.545783895 dr/L |
| 100 gr/cup | 15.45783895 dr/L |
| 1,000 gr/cup | 154.5783895 dr/L |
| 10,000 gr/cup | 1,545.783895 dr/L |
Reverse conversion: Dram per Liter to Grain per Cup
0.1545783895 dr/L × 6.469209592 = 1 gr/cup
0.1545783895 drams per liter = 1 grains per cup.
grains per cup = drams per liter × 6.4692095918
For a page dedicated to this direction, see Dram per Liter to Grain per Cup.
Understanding the Grain per Cup (gr/cup)
Mass per volume density.
Understanding the Dram per Liter (dr/L)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per liter are in 1 grain per cup?
1 grain per cup equals 0.1545783895 drams per liter, using the exact defined conversion factor rather than an estimate.
How do I convert grain per cup to dram per liter?
Multiply the grain per cup value by 0.1545783895. The converter above does this instantly to whatever precision you set.
How do I convert dram per liter back to grain per cup?
Use the reverse factor: 1 dram per liter equals 6.469209592 grains per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per cup?
Grain per Cup (gr/cup) is a unit of density.
What is a dram per liter?
Dram per Liter (dr/L) is a unit of density.
Is the grain per cup to dram per liter conversion exact?
Yes. Both grain per cup and dram per liter are defined by fixed standards rather than physical artifacts, so the factor of 0.1545783895 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.