Mass per volume density.
Grains per Liter to Stones per Teaspoon Converter — gr/L to st/tsp
Convert Grain per Liter (gr/L) to Stone per Teaspoon (st/tsp) using the exact conversion factor (1 grain per liter = 5.029512e-8 stone per teaspoon). See the formula, worked examples, and conversion table.
Grains per Liter 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 0.06479891 / 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 Liter to Stones per Teaspoon
Grain per Liter 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 liter × 5.029512e-8
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per liter equals 0.06479891 base units, and 1 stone per teaspoon equals 1288373.74651 base units, so dividing one by the other gives the direct grain per liter-to-stone per teaspoon factor of 5.029512e-8.
Simple example
1 gr/L × 5.029512e-8 = 5.029512e-8 st/tsp
1 grain per liter = 5.029512e-8 stones per teaspoon.
Real-world example
1,000 gr/L × 5.029512e-8 = 0.0000502951 st/tsp
1,000 grains per liter = 0.0000502951 stones per teaspoon.
Conversion table
| Grain per Liter (gr/L) | Stone per Teaspoon (st/tsp) |
|---|---|
| 0.1 gr/L | 5.029512e-9 st/tsp |
| 1 gr/L | 5.029512e-8 st/tsp |
| 10 gr/L | 5.029512e-7 st/tsp |
| 100 gr/L | 0.0000050295 st/tsp |
| 1,000 gr/L | 0.0000502951 st/tsp |
| 10,000 gr/L | 0.0005029512 st/tsp |
Reverse conversion: Stone per Teaspoon to Grain per Liter
5.029512e-8 st/tsp × 19882645.35 = 1.000000034 gr/L
5.029512e-8 stones per teaspoon = 1.000000034 grains per liter.
grains per liter = stones per teaspoon × 19882645.3487
For a page dedicated to this direction, see Stone per Teaspoon to Grain per Liter.
Understanding the Grain per Liter (gr/L)
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 liter?
1 grain per liter equals 5.029512e-8 stones per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert grain per liter to stone per teaspoon?
Multiply the grain per liter value by 5.029512e-8. The converter above does this instantly to whatever precision you set.
How do I convert stone per teaspoon back to grain per liter?
Use the reverse factor: 1 stone per teaspoon equals 19,882,645.35 grains per liter. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per liter?
Grain per Liter (gr/L) 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 liter to stone per teaspoon conversion exact?
Yes. Both grain per liter and stone per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 5.029512e-8 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.