Mass per volume density.
Stones per Teaspoon to Slugs per Tablespoon Converter — st/tsp to slug/tbsp
Convert Stone per Teaspoon (st/tsp) to Slug per Tablespoon (slug/tbsp) using the exact conversion factor (1 stone per teaspoon = 1.305399907 slug per tablespoon). See the formula, worked examples, and conversion table.
Stones per Teaspoon to Slugs per Tablespoon 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 1.28837375e+6 / 986957.1305.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Teaspoon to Slugs per Tablespoon
Stone per Teaspoon and Slug per Tablespoon 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 tablespoon = stones per teaspoon × 1.30539990721
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per teaspoon equals 1288373.74651 base units, and 1 slug per tablespoon equals 986957.130454 base units, so dividing one by the other gives the direct stone per teaspoon-to-slug per tablespoon factor of 1.30539990721.
Simple example
1 st/tsp × 1.305399907 = 1.305399907 slug/tbsp
1 stone per teaspoon = 1.305399907 slugs per tablespoon.
Real-world example
1,000 st/tsp × 1.305399907 = 1,305.399907 slug/tbsp
1,000 stones per teaspoon = 1,305.399907 slugs per tablespoon.
Conversion table
| Stone per Teaspoon (st/tsp) | Slug per Tablespoon (slug/tbsp) |
|---|---|
| 0.1 st/tsp | 0.1305399907 slug/tbsp |
| 1 st/tsp | 1.305399907 slug/tbsp |
| 10 st/tsp | 13.05399907 slug/tbsp |
| 100 st/tsp | 130.5399907 slug/tbsp |
| 1,000 st/tsp | 1,305.399907 slug/tbsp |
| 10,000 st/tsp | 13,053.99907 slug/tbsp |
Reverse conversion: Slug per Tablespoon to Stone per Teaspoon
1.305399907 slug/tbsp × 0.7660487752 = 0.9999999998 st/tsp
1.305399907 slugs per tablespoon = 0.9999999998 stones per teaspoon.
stones per teaspoon = slugs per tablespoon × 0.766048775153
For a page dedicated to this direction, see Slug per Tablespoon to Stone per Teaspoon.
Understanding the Stone per Teaspoon (st/tsp)
Mass per volume density.
Understanding the Slug per Tablespoon (slug/tbsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per tablespoon are in 1 stone per teaspoon?
1 stone per teaspoon equals 1.305399907 slugs per tablespoon, using the exact defined conversion factor rather than an estimate.
How do I convert stone per teaspoon to slug per tablespoon?
Multiply the stone per teaspoon value by 1.305399907. The converter above does this instantly to whatever precision you set.
How do I convert slug per tablespoon back to stone per teaspoon?
Use the reverse factor: 1 slug per tablespoon equals 0.7660487752 stones per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per teaspoon?
Stone per Teaspoon (st/tsp) is a unit of density.
What is a slug per tablespoon?
Slug per Tablespoon (slug/tbsp) is a unit of density.
Is the stone per teaspoon to slug per tablespoon conversion exact?
Yes. Both stone per teaspoon and slug per tablespoon are defined by fixed standards rather than physical artifacts, so the factor of 1.305399907 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.