Mass per volume density.
Grains per Teaspoon to Stones per Teaspoon Converter — gr/tsp to st/tsp
Convert Grain per Teaspoon (gr/tsp) to Stone per Teaspoon (st/tsp) using the exact conversion factor (1 grain per teaspoon = 0.0000102041 stone per teaspoon). See the formula, worked examples, and conversion table.
Grains per Teaspoon to Stones per Teaspoon converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Mass per volume density.
Result = input x 13.14667088 / 1.28837375e+6.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Teaspoon to Stones per Teaspoon
Grain per Teaspoon 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 = grains per teaspoon × 0.0000102040816327
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per teaspoon equals 13.1466708828 base units, and 1 stone per teaspoon equals 1288373.74651 base units, so dividing one by the other gives the direct grain per teaspoon-to-stone per teaspoon factor of 0.0000102040816327.
Simple example
1 gr/tsp × 0.00001020408163 = 0.0000102041 st/tsp
1 grain per teaspoon = 0.0000102041 stones per teaspoon.
Real-world example
1,000 gr/tsp × 0.00001020408163 = 0.0102040816 st/tsp
1,000 grains per teaspoon = 0.0102040816 stones per teaspoon.
Conversion table
| Grain per Teaspoon (gr/tsp) | Stone per Teaspoon (st/tsp) |
|---|---|
| 0.1 gr/tsp | 0.0000010204 st/tsp |
| 1 gr/tsp | 0.0000102041 st/tsp |
| 10 gr/tsp | 0.0001020408 st/tsp |
| 100 gr/tsp | 0.0010204082 st/tsp |
| 1,000 gr/tsp | 0.0102040816 st/tsp |
| 10,000 gr/tsp | 0.1020408163 st/tsp |
Reverse conversion: Stone per Teaspoon to Grain per Teaspoon
0.0000102041 st/tsp × 98000 = 1.0000018 gr/tsp
0.0000102041 stones per teaspoon = 1.0000018 grains per teaspoon.
grains per teaspoon = stones per teaspoon × 98000
For a page dedicated to this direction, see Stone per Teaspoon to Grain per Teaspoon.
Understanding the Grain per Teaspoon (gr/tsp)
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 grain per teaspoon?
1 grain per teaspoon equals 0.0000102041 stones per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert grain per teaspoon to stone per teaspoon?
Multiply the grain per teaspoon value by 0.00001020408163. The converter above does this instantly to whatever precision you set.
How do I convert stone per teaspoon back to grain per teaspoon?
Use the reverse factor: 1 stone per teaspoon equals 98,000 grains per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per teaspoon?
Grain per Teaspoon (gr/tsp) is a unit of density.
What is a stone per teaspoon?
Stone per Teaspoon (st/tsp) is a unit of density.
Is the grain per teaspoon to stone per teaspoon conversion exact?
Yes. Both grain per teaspoon and stone per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 0.00001020408163 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.