Mass per volume density.
Milligrams per Teaspoon to Stones per Cup Converter — mg/tsp to st/cup
Convert Milligram per Teaspoon (mg/tsp) to Stone per Cup (st/cup) using the exact conversion factor (1 milligram per teaspoon = 0.0000075587 stone per cup). See the formula, worked examples, and conversion table.
Milligrams per Teaspoon to Stones 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 0.2028841362 / 26841.11972.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Milligrams per Teaspoon to Stones per Cup
Milligram per Teaspoon and Stone 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
stones per cup = milligrams per teaspoon × 0.00000755870613205
This factor comes from each unit's defined relationship to the category's base unit: 1 milligram per teaspoon equals 0.202884136211 base units, and 1 stone per cup equals 26841.119719 base units, so dividing one by the other gives the direct milligram per teaspoon-to-stone per cup factor of 0.00000755870613205.
Simple example
1 mg/tsp × 0.000007558706132 = 0.0000075587 st/cup
1 milligram per teaspoon = 0.0000075587 stones per cup.
Real-world example
1,000 mg/tsp × 0.000007558706132 = 0.0075587061 st/cup
1,000 milligrams per teaspoon = 0.0075587061 stones per cup.
Conversion table
| Milligram per Teaspoon (mg/tsp) | Stone per Cup (st/cup) |
|---|---|
| 0.1 mg/tsp | 7.558706e-7 st/cup |
| 1 mg/tsp | 0.0000075587 st/cup |
| 10 mg/tsp | 0.0000755871 st/cup |
| 100 mg/tsp | 0.0007558706 st/cup |
| 1,000 mg/tsp | 0.0075587061 st/cup |
| 10,000 mg/tsp | 0.0755870613 st/cup |
Reverse conversion: Stone per Cup to Milligram per Teaspoon
0.0000075587 st/cup × 132297.7746 = 0.9999991887 mg/tsp
0.0000075587 stones per cup = 0.9999991887 milligrams per teaspoon.
milligrams per teaspoon = stones per cup × 132297.774583
For a page dedicated to this direction, see Stone per Cup to Milligram per Teaspoon.
Understanding the Milligram per Teaspoon (mg/tsp)
Mass per volume density.
Understanding the Stone per Cup (st/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per cup are in 1 milligram per teaspoon?
1 milligram per teaspoon equals 0.0000075587 stones per cup, using the exact defined conversion factor rather than an estimate.
How do I convert milligram per teaspoon to stone per cup?
Multiply the milligram per teaspoon value by 0.000007558706132. The converter above does this instantly to whatever precision you set.
How do I convert stone per cup back to milligram per teaspoon?
Use the reverse factor: 1 stone per cup equals 132,297.7746 milligrams per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a milligram per teaspoon?
Milligram per Teaspoon (mg/tsp) is a unit of density.
What is a stone per cup?
Stone per Cup (st/cup) is a unit of density.
Is the milligram per teaspoon to stone per cup conversion exact?
Yes. Both milligram per teaspoon and stone per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.000007558706132 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.