Mass per volume density.
Grains per Liter to Slugs per Teaspoon Converter — gr/L to slug/tsp
Convert Grain per Liter (gr/L) to Slug per Teaspoon (slug/tsp) using the exact conversion factor (1 grain per liter = 2.188508e-8 slug per teaspoon). See the formula, worked examples, and conversion table.
Grains per Liter to Slugs 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 / 2.96087139e+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 Slugs per Teaspoon
Grain per Liter and Slug 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
slugs per teaspoon = grains per liter × 2.188508e-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 slug per teaspoon equals 2960871.39136 base units, so dividing one by the other gives the direct grain per liter-to-slug per teaspoon factor of 2.188508e-8.
Simple example
1 gr/L × 2.188508e-8 = 2.188508e-8 slug/tsp
1 grain per liter = 2.188508e-8 slugs per teaspoon.
Real-world example
1,000 gr/L × 2.188508e-8 = 0.0000218851 slug/tsp
1,000 grains per liter = 0.0000218851 slugs per teaspoon.
Conversion table
| Grain per Liter (gr/L) | Slug per Teaspoon (slug/tsp) |
|---|---|
| 0.1 gr/L | 2.188508e-9 slug/tsp |
| 1 gr/L | 2.188508e-8 slug/tsp |
| 10 gr/L | 2.188508e-7 slug/tsp |
| 100 gr/L | 0.0000021885 slug/tsp |
| 1,000 gr/L | 0.0000218851 slug/tsp |
| 10,000 gr/L | 0.0002188508 slug/tsp |
Reverse conversion: Slug per Teaspoon to Grain per Liter
2.188508e-8 slug/tsp × 45693228.35 = 0.9999999579 gr/L
2.188508e-8 slugs per teaspoon = 0.9999999579 grains per liter.
grains per liter = slugs per teaspoon × 45693228.3485
For a page dedicated to this direction, see Slug per Teaspoon to Grain per Liter.
Understanding the Grain per Liter (gr/L)
Mass per volume density.
Understanding the Slug per Teaspoon (slug/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per teaspoon are in 1 grain per liter?
1 grain per liter equals 2.188508e-8 slugs per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert grain per liter to slug per teaspoon?
Multiply the grain per liter value by 2.188508e-8. The converter above does this instantly to whatever precision you set.
How do I convert slug per teaspoon back to grain per liter?
Use the reverse factor: 1 slug per teaspoon equals 45,693,228.35 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 slug per teaspoon?
Slug per Teaspoon (slug/tsp) is a unit of density.
Is the grain per liter to slug per teaspoon conversion exact?
Yes. Both grain per liter and slug per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 2.188508e-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.