Mass per volume density.
Grains per Fluid ounce to Ounces per Teaspoon Converter — gr/fl oz to oz/tsp
Convert Grain per Fluid ounce (gr/fl oz) to Ounce per Teaspoon (oz/tsp) using the exact conversion factor (1 grain per fluid ounce = 0.0003809524 ounce per teaspoon). See the formula, worked examples, and conversion table.
Grains per Fluid ounce to Ounces 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 2.191111814 / 5751.668511.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Fluid ounce to Ounces per Teaspoon
Grain per Fluid ounce and Ounce 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
ounces per teaspoon = grains per fluid ounce × 0.000380952380952
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per fluid ounce equals 2.19111181379 base units, and 1 ounce per teaspoon equals 5751.66851121 base units, so dividing one by the other gives the direct grain per fluid ounce-to-ounce per teaspoon factor of 0.000380952380952.
Simple example
1 gr/fl oz × 0.000380952381 = 0.0003809524 oz/tsp
1 grain per fluid ounce = 0.0003809524 ounces per teaspoon.
Real-world example
1,000 gr/fl oz × 0.000380952381 = 0.380952381 oz/tsp
1,000 grains per fluid ounce = 0.380952381 ounces per teaspoon.
Conversion table
| Grain per Fluid ounce (gr/fl oz) | Ounce per Teaspoon (oz/tsp) |
|---|---|
| 0.1 gr/fl oz | 0.0000380952 oz/tsp |
| 1 gr/fl oz | 0.0003809524 oz/tsp |
| 10 gr/fl oz | 0.0038095238 oz/tsp |
| 100 gr/fl oz | 0.0380952381 oz/tsp |
| 1,000 gr/fl oz | 0.380952381 oz/tsp |
| 10,000 gr/fl oz | 3.80952381 oz/tsp |
Reverse conversion: Ounce per Teaspoon to Grain per Fluid ounce
0.0003809524 oz/tsp × 2625 = 1.00000005 gr/fl oz
0.0003809524 ounces per teaspoon = 1.00000005 grains per fluid ounce.
grains per fluid ounce = ounces per teaspoon × 2625
For a page dedicated to this direction, see Ounce per Teaspoon to Grain per Fluid ounce.
Understanding the Grain per Fluid ounce (gr/fl oz)
Mass per volume density.
Understanding the Ounce per Teaspoon (oz/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ounces per teaspoon are in 1 grain per fluid ounce?
1 grain per fluid ounce equals 0.0003809524 ounces per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert grain per fluid ounce to ounce per teaspoon?
Multiply the grain per fluid ounce value by 0.000380952381. The converter above does this instantly to whatever precision you set.
How do I convert ounce per teaspoon back to grain per fluid ounce?
Use the reverse factor: 1 ounce per teaspoon equals 2,625 grains per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per fluid ounce?
Grain per Fluid ounce (gr/fl oz) is a unit of density.
What is a ounce per teaspoon?
Ounce per Teaspoon (oz/tsp) is a unit of density.
Is the grain per fluid ounce to ounce per teaspoon conversion exact?
Yes. Both grain per fluid ounce and ounce per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 0.000380952381 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.