Mass per volume density.
Stones per Tablespoon to Slugs per Cup Converter — st/tbsp to slug/cup
Convert Stone per Tablespoon (st/tbsp) to Slug per Cup (slug/cup) using the exact conversion factor (1 stone per tablespoon = 6.962132838 slug per cup). See the formula, worked examples, and conversion table.
Stones per Tablespoon to Slugs 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 429457.9155 / 61684.82065.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Tablespoon to Slugs per Cup
Stone per Tablespoon and Slug 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
slugs per cup = stones per tablespoon × 6.96213283843
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per tablespoon equals 429457.915504 base units, and 1 slug per cup equals 61684.8206534 base units, so dividing one by the other gives the direct stone per tablespoon-to-slug per cup factor of 6.96213283843.
Simple example
1 st/tbsp × 6.962132838 = 6.962132838 slug/cup
1 stone per tablespoon = 6.962132838 slugs per cup.
Real-world example
1,000 st/tbsp × 6.962132838 = 6,962.132838 slug/cup
1,000 stones per tablespoon = 6,962.132838 slugs per cup.
Conversion table
| Stone per Tablespoon (st/tbsp) | Slug per Cup (slug/cup) |
|---|---|
| 0.1 st/tbsp | 0.6962132838 slug/cup |
| 1 st/tbsp | 6.962132838 slug/cup |
| 10 st/tbsp | 69.62132838 slug/cup |
| 100 st/tbsp | 696.2132838 slug/cup |
| 1,000 st/tbsp | 6,962.132838 slug/cup |
| 10,000 st/tbsp | 69,621.32838 slug/cup |
Reverse conversion: Slug per Cup to Stone per Tablespoon
6.962132838 slug/cup × 0.1436341453 = 0.9999999999 st/tbsp
6.962132838 slugs per cup = 0.9999999999 stones per tablespoon.
stones per tablespoon = slugs per cup × 0.143634145341
For a page dedicated to this direction, see Slug per Cup to Stone per Tablespoon.
Understanding the Stone per Tablespoon (st/tbsp)
Mass per volume density.
Understanding the Slug per Cup (slug/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per cup are in 1 stone per tablespoon?
1 stone per tablespoon equals 6.962132838 slugs per cup, using the exact defined conversion factor rather than an estimate.
How do I convert stone per tablespoon to slug per cup?
Multiply the stone per tablespoon value by 6.962132838. The converter above does this instantly to whatever precision you set.
How do I convert slug per cup back to stone per tablespoon?
Use the reverse factor: 1 slug per cup equals 0.1436341453 stones per tablespoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per tablespoon?
Stone per Tablespoon (st/tbsp) is a unit of density.
What is a slug per cup?
Slug per Cup (slug/cup) is a unit of density.
Is the stone per tablespoon to slug per cup conversion exact?
Yes. Both stone per tablespoon and slug per cup are defined by fixed standards rather than physical artifacts, so the factor of 6.962132838 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.