Mass per volume density.
Grains per Cup to Slugs per Liter Converter — gr/cup to slug/L
Convert Grain per Cup (gr/cup) to Slug per Liter (slug/L) using the exact conversion factor (1 grain per cup = 0.0000187674 slug per liter). See the formula, worked examples, and conversion table.
Grains per Cup to Slugs 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 / 14593.90294.
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 Slugs per Liter
Grain per Cup and Slug 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
slugs per liter = grains per cup × 0.0000187673563339
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 slug per liter equals 14593.9029372 base units, so dividing one by the other gives the direct grain per cup-to-slug per liter factor of 0.0000187673563339.
Simple example
1 gr/cup × 0.00001876735633 = 0.0000187674 slug/L
1 grain per cup = 0.0000187674 slugs per liter.
Real-world example
1,000 gr/cup × 0.00001876735633 = 0.0187673563 slug/L
1,000 grains per cup = 0.0187673563 slugs per liter.
Conversion table
| Grain per Cup (gr/cup) | Slug per Liter (slug/L) |
|---|---|
| 0.1 gr/cup | 0.0000018767 slug/L |
| 1 gr/cup | 0.0000187674 slug/L |
| 10 gr/cup | 0.0001876736 slug/L |
| 100 gr/cup | 0.0018767356 slug/L |
| 1,000 gr/cup | 0.0187673563 slug/L |
| 10,000 gr/cup | 0.1876735633 slug/L |
Reverse conversion: Slug per Liter to Grain per Cup
0.0000187674 slug/L × 53284.00986 = 1.000002327 gr/cup
0.0000187674 slugs per liter = 1.000002327 grains per cup.
grains per cup = slugs per liter × 53284.0098632
For a page dedicated to this direction, see Slug per Liter to Grain per Cup.
Understanding the Grain per Cup (gr/cup)
Mass per volume density.
Understanding the Slug per Liter (slug/L)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per liter are in 1 grain per cup?
1 grain per cup equals 0.0000187674 slugs per liter, using the exact defined conversion factor rather than an estimate.
How do I convert grain per cup to slug per liter?
Multiply the grain per cup value by 0.00001876735633. The converter above does this instantly to whatever precision you set.
How do I convert slug per liter back to grain per cup?
Use the reverse factor: 1 slug per liter equals 53,284.00986 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 slug per liter?
Slug per Liter (slug/L) is a unit of density.
Is the grain per cup to slug per liter conversion exact?
Yes. Both grain per cup and slug per liter are defined by fixed standards rather than physical artifacts, so the factor of 0.00001876735633 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.