Mass per volume density.
Slugs per Imperial gallon to Pounds per Cup Converter — slug/imp gal to lb/cup
Convert Slug per Imperial gallon (slug/imp gal) to Pound per Cup (lb/cup) using the exact conversion factor (1 slug per imperial gallon = 1.674406228 pound per cup). See the formula, worked examples, and conversion table.
Slugs per Imperial gallon to Pounds 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 3210.209859 / 1917.222837.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Slugs per Imperial gallon to Pounds per Cup
Slug per Imperial gallon and Pound 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
pounds per cup = slugs per imperial gallon × 1.674406228
This factor comes from each unit's defined relationship to the category's base unit: 1 slug per imperial gallon equals 3210.20985885 base units, and 1 pound per cup equals 1917.22283707 base units, so dividing one by the other gives the direct slug per imperial gallon-to-pound per cup factor of 1.674406228.
Simple example
1 slug/imp gal × 1.674406228 = 1.674406228 lb/cup
1 slug per imperial gallon = 1.674406228 pounds per cup.
Real-world example
1,000 slug/imp gal × 1.674406228 = 1,674.406228 lb/cup
1,000 slugs per imperial gallon = 1,674.406228 pounds per cup.
Conversion table
| Slug per Imperial gallon (slug/imp gal) | Pound per Cup (lb/cup) |
|---|---|
| 0.1 slug/imp gal | 0.1674406228 lb/cup |
| 1 slug/imp gal | 1.674406228 lb/cup |
| 10 slug/imp gal | 16.74406228 lb/cup |
| 100 slug/imp gal | 167.4406228 lb/cup |
| 1,000 slug/imp gal | 1,674.406228 lb/cup |
| 10,000 slug/imp gal | 16,744.06228 lb/cup |
Reverse conversion: Pound per Cup to Slug per Imperial gallon
1.674406228 lb/cup × 0.5972266367 = 1 slug/imp gal
1.674406228 pounds per cup = 1 slugs per imperial gallon.
slugs per imperial gallon = pounds per cup × 0.597226636691
For a page dedicated to this direction, see Pound per Cup to Slug per Imperial gallon.
Understanding the Slug per Imperial gallon (slug/imp gal)
Mass per volume density.
Understanding the Pound per Cup (lb/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per cup are in 1 slug per imperial gallon?
1 slug per imperial gallon equals 1.674406228 pounds per cup, using the exact defined conversion factor rather than an estimate.
How do I convert slug per imperial gallon to pound per cup?
Multiply the slug per imperial gallon value by 1.674406228. The converter above does this instantly to whatever precision you set.
How do I convert pound per cup back to slug per imperial gallon?
Use the reverse factor: 1 pound per cup equals 0.5972266367 slugs per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a slug per imperial gallon?
Slug per Imperial gallon (slug/imp gal) is a unit of density.
What is a pound per cup?
Pound per Cup (lb/cup) is a unit of density.
Is the slug per imperial gallon to pound per cup conversion exact?
Yes. Both slug per imperial gallon and pound per cup are defined by fixed standards rather than physical artifacts, so the factor of 1.674406228 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.