Mass per volume density.
Slugs per Teaspoon to Pounds per Cup Converter — slug/tsp to lb/cup
Convert Slug per Teaspoon (slug/tsp) to Pound per Cup (lb/cup) using the exact conversion factor (1 slug per teaspoon = 1,544.354331 pound per cup). See the formula, worked examples, and conversion table.
Slugs per Teaspoon 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 2.96087139e+6 / 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 Teaspoon to Pounds per Cup
Slug per Teaspoon 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 teaspoon × 1544.35433071
This factor comes from each unit's defined relationship to the category's base unit: 1 slug per teaspoon equals 2960871.39136 base units, and 1 pound per cup equals 1917.22283707 base units, so dividing one by the other gives the direct slug per teaspoon-to-pound per cup factor of 1544.35433071.
Simple example
1 slug/tsp × 1544.354331 = 1,544.354331 lb/cup
1 slug per teaspoon = 1,544.354331 pounds per cup.
Real-world example
1,000 slug/tsp × 1544.354331 = 1,544,354.331 lb/cup
1,000 slugs per teaspoon = 1,544,354.331 pounds per cup.
Conversion table
| Slug per Teaspoon (slug/tsp) | Pound per Cup (lb/cup) |
|---|---|
| 0.1 slug/tsp | 154.4354331 lb/cup |
| 1 slug/tsp | 1,544.354331 lb/cup |
| 10 slug/tsp | 15,443.54331 lb/cup |
| 100 slug/tsp | 154,435.4331 lb/cup |
| 1,000 slug/tsp | 1,544,354.331 lb/cup |
| 10,000 slug/tsp | 15,443,543.31 lb/cup |
Reverse conversion: Pound per Cup to Slug per Teaspoon
1 lb/cup × 0.0006475197952 = 0.0006475198 slug/tsp
1 pound per cup = 0.0006475198 slugs per teaspoon.
slugs per teaspoon = pounds per cup × 0.000647519795241
For a page dedicated to this direction, see Pound per Cup to Slug per Teaspoon.
Understanding the Slug per Teaspoon (slug/tsp)
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 teaspoon?
1 slug per teaspoon equals 1,544.354331 pounds per cup, using the exact defined conversion factor rather than an estimate.
How do I convert slug per teaspoon to pound per cup?
Multiply the slug per teaspoon value by 1544.354331. The converter above does this instantly to whatever precision you set.
How do I convert pound per cup back to slug per teaspoon?
Use the reverse factor: 1 pound per cup equals 0.0006475198 slugs per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a slug per teaspoon?
Slug per Teaspoon (slug/tsp) 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 teaspoon to pound per cup conversion exact?
Yes. Both slug per teaspoon and pound per cup are defined by fixed standards rather than physical artifacts, so the factor of 1544.354331 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.