Mass per volume density.
Slugs per Cup to Stones per Teaspoon Converter — slug/cup to st/tsp
Convert Slug per Cup (slug/cup) to Stone per Teaspoon (st/tsp) using the exact conversion factor (1 slug per cup = 0.0478780485 stone per teaspoon). See the formula, worked examples, and conversion table.
Slugs per Cup to Stones per Teaspoon 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 61684.82065 / 1.28837375e+6.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Slugs per Cup to Stones per Teaspoon
Slug per Cup and Stone per Teaspoon 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
stones per teaspoon = slugs per cup × 0.047878048447
This factor comes from each unit's defined relationship to the category's base unit: 1 slug per cup equals 61684.8206534 base units, and 1 stone per teaspoon equals 1288373.74651 base units, so dividing one by the other gives the direct slug per cup-to-stone per teaspoon factor of 0.047878048447.
Simple example
1 slug/cup × 0.04787804845 = 0.0478780485 st/tsp
1 slug per cup = 0.0478780485 stones per teaspoon.
Real-world example
1,000 slug/cup × 0.04787804845 = 47.87804845 st/tsp
1,000 slugs per cup = 47.87804845 stones per teaspoon.
Conversion table
| Slug per Cup (slug/cup) | Stone per Teaspoon (st/tsp) |
|---|---|
| 0.1 slug/cup | 0.0047878048 st/tsp |
| 1 slug/cup | 0.0478780485 st/tsp |
| 10 slug/cup | 0.4787804845 st/tsp |
| 100 slug/cup | 4.787804845 st/tsp |
| 1,000 slug/cup | 47.87804845 st/tsp |
| 10,000 slug/cup | 478.7804845 st/tsp |
Reverse conversion: Stone per Teaspoon to Slug per Cup
0.0478780485 st/tsp × 20.88639852 = 1.000000001 slug/cup
0.0478780485 stones per teaspoon = 1.000000001 slugs per cup.
slugs per cup = stones per teaspoon × 20.8863985153
For a page dedicated to this direction, see Stone per Teaspoon to Slug per Cup.
Understanding the Slug per Cup (slug/cup)
Mass per volume density.
Understanding the Stone per Teaspoon (st/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per teaspoon are in 1 slug per cup?
1 slug per cup equals 0.0478780485 stones per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert slug per cup to stone per teaspoon?
Multiply the slug per cup value by 0.04787804845. The converter above does this instantly to whatever precision you set.
How do I convert stone per teaspoon back to slug per cup?
Use the reverse factor: 1 stone per teaspoon equals 20.88639852 slugs per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a slug per cup?
Slug per Cup (slug/cup) is a unit of density.
What is a stone per teaspoon?
Stone per Teaspoon (st/tsp) is a unit of density.
Is the slug per cup to stone per teaspoon conversion exact?
Yes. Both slug per cup and stone per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 0.04787804845 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.