Mass per volume density.
Slugs per Gallon to Drams per Cup Converter — slug/gal to dr/cup
Convert Slug per Gallon (slug/gal) to Dram per Cup (dr/cup) using the exact conversion factor (1 slug per gallon = 514.7847769 dram per cup). See the formula, worked examples, and conversion table.
Slugs per Gallon to Drams per Cup 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 3855.301291 / 7.489151707.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Slugs per Gallon to Drams per Cup
Slug per Gallon and Dram per Cup 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 cup = slugs per gallon × 514.784776903
This factor comes from each unit's defined relationship to the category's base unit: 1 slug per gallon equals 3855.30129084 base units, and 1 dram per cup equals 7.48915170731 base units, so dividing one by the other gives the direct slug per gallon-to-dram per cup factor of 514.784776903.
Simple example
1 slug/gal × 514.7847769 = 514.7847769 dr/cup
1 slug per gallon = 514.7847769 drams per cup.
Real-world example
1,000 slug/gal × 514.7847769 = 514,784.7769 dr/cup
1,000 slugs per gallon = 514,784.7769 drams per cup.
Conversion table
| Slug per Gallon (slug/gal) | Dram per Cup (dr/cup) |
|---|---|
| 0.1 slug/gal | 51.47847769 dr/cup |
| 1 slug/gal | 514.7847769 dr/cup |
| 10 slug/gal | 5,147.847769 dr/cup |
| 100 slug/gal | 51,478.47769 dr/cup |
| 1,000 slug/gal | 514,784.7769 dr/cup |
| 10,000 slug/gal | 5,147,847.769 dr/cup |
Reverse conversion: Dram per Cup to Slug per Gallon
514.7847769 dr/cup × 0.001942559386 = 1 slug/gal
514.7847769 drams per cup = 1 slugs per gallon.
slugs per gallon = drams per cup × 0.00194255938572
For a page dedicated to this direction, see Dram per Cup to Slug per Gallon.
Understanding the Slug per Gallon (slug/gal)
Mass per volume density.
Understanding the Dram per Cup (dr/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per cup are in 1 slug per gallon?
1 slug per gallon equals 514.7847769 drams per cup, using the exact defined conversion factor rather than an estimate.
How do I convert slug per gallon to dram per cup?
Multiply the slug per gallon value by 514.7847769. The converter above does this instantly to whatever precision you set.
How do I convert dram per cup back to slug per gallon?
Use the reverse factor: 1 dram per cup equals 0.0019425594 slugs per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a slug per gallon?
Slug per Gallon (slug/gal) is a unit of density.
What is a dram per cup?
Dram per Cup (dr/cup) is a unit of density.
Is the slug per gallon to dram per cup conversion exact?
Yes. Both slug per gallon and dram per cup are defined by fixed standards rather than physical artifacts, so the factor of 514.7847769 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.