Mass per volume density.
Slugs per Teaspoon to Grains per Fluid ounce Converter — slug/tsp to gr/fl oz
Convert Slug per Teaspoon (slug/tsp) to Grain per Fluid ounce (gr/fl oz) using the exact conversion factor (1 slug per teaspoon = 1,351,310.039 grain per fluid ounce). See the formula, worked examples, and conversion table.
Slugs per Teaspoon to Grains per Fluid ounce 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 2.96087139e+6 / 2.191111814.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Slugs per Teaspoon to Grains per Fluid ounce
Slug per Teaspoon and Grain per Fluid ounce 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
grains per fluid ounce = slugs per teaspoon × 1351310.03937
This factor comes from each unit's defined relationship to the category's base unit: 1 slug per teaspoon equals 2960871.39136 base units, and 1 grain per fluid ounce equals 2.19111181379 base units, so dividing one by the other gives the direct slug per teaspoon-to-grain per fluid ounce factor of 1351310.03937.
Simple example
1 slug/tsp × 1351310.039 = 1,351,310.039 gr/fl oz
1 slug per teaspoon = 1,351,310.039 grains per fluid ounce.
Real-world example
1,000 slug/tsp × 1351310.039 = 1,351,310,039 gr/fl oz
1,000 slugs per teaspoon = 1,351,310,039 grains per fluid ounce.
Conversion table
| Slug per Teaspoon (slug/tsp) | Grain per Fluid ounce (gr/fl oz) |
|---|---|
| 0.1 slug/tsp | 135,131.0039 gr/fl oz |
| 1 slug/tsp | 1,351,310.039 gr/fl oz |
| 10 slug/tsp | 13,513,100.39 gr/fl oz |
| 100 slug/tsp | 135,131,003.9 gr/fl oz |
| 1,000 slug/tsp | 1,351,310,039 gr/fl oz |
| 10,000 slug/tsp | 13,513,100,390 gr/fl oz |
Reverse conversion: Grain per Fluid ounce to Slug per Teaspoon
1 gr/fl oz × 7.400226e-7 = 7.400226e-7 slug/tsp
1 grain per fluid ounce = 7.400226e-7 slugs per teaspoon.
slugs per teaspoon = grains per fluid ounce × 7.400226e-7
For a page dedicated to this direction, see Grain per Fluid ounce to Slug per Teaspoon.
Understanding the Slug per Teaspoon (slug/tsp)
Mass per volume density.
Understanding the Grain per Fluid ounce (gr/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per fluid ounce are in 1 slug per teaspoon?
1 slug per teaspoon equals 1,351,310.039 grains per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert slug per teaspoon to grain per fluid ounce?
Multiply the slug per teaspoon value by 1351310.039. The converter above does this instantly to whatever precision you set.
How do I convert grain per fluid ounce back to slug per teaspoon?
Use the reverse factor: 1 grain per fluid ounce equals 7.400226e-7 slugs per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a slug per teaspoon?
Slug per Teaspoon (slug/tsp) is a unit of density.
What is a grain per fluid ounce?
Grain per Fluid ounce (gr/fl oz) is a unit of density.
Is the slug per teaspoon to grain per fluid ounce conversion exact?
Yes. Both slug per teaspoon and grain per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 1351310.039 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.