Mass per volume density.
Grains per Fluid ounce to Stones per Teaspoon Converter — gr/fl oz to st/tsp
Convert Grain per Fluid ounce (gr/fl oz) to Stone per Teaspoon (st/tsp) using the exact conversion factor (1 grain per fluid ounce = 0.0000017007 stone per teaspoon). See the formula, worked examples, and conversion table.
Grains per Fluid ounce 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 2.191111814 / 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 Fluid ounce to Stones per Teaspoon
Grain per Fluid ounce 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 fluid ounce × 0.00000170068027211
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 stone per teaspoon equals 1288373.74651 base units, so dividing one by the other gives the direct grain per fluid ounce-to-stone per teaspoon factor of 0.00000170068027211.
Simple example
1 gr/fl oz × 0.000001700680272 = 0.0000017007 st/tsp
1 grain per fluid ounce = 0.0000017007 stones per teaspoon.
Real-world example
1,000 gr/fl oz × 0.000001700680272 = 0.0017006803 st/tsp
1,000 grains per fluid ounce = 0.0017006803 stones per teaspoon.
Conversion table
| Grain per Fluid ounce (gr/fl oz) | Stone per Teaspoon (st/tsp) |
|---|---|
| 0.1 gr/fl oz | 1.70068e-7 st/tsp |
| 1 gr/fl oz | 0.0000017007 st/tsp |
| 10 gr/fl oz | 0.0000170068 st/tsp |
| 100 gr/fl oz | 0.000170068 st/tsp |
| 1,000 gr/fl oz | 0.0017006803 st/tsp |
| 10,000 gr/fl oz | 0.0170068027 st/tsp |
Reverse conversion: Stone per Teaspoon to Grain per Fluid ounce
0.0000017007 st/tsp × 588000 = 1.0000116 gr/fl oz
0.0000017007 stones per teaspoon = 1.0000116 grains per fluid ounce.
grains per fluid ounce = stones per teaspoon × 588000
For a page dedicated to this direction, see Stone per Teaspoon to Grain per Fluid ounce.
Understanding the Grain per Fluid ounce (gr/fl oz)
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 fluid ounce?
1 grain per fluid ounce equals 0.0000017007 stones per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert grain per fluid ounce to stone per teaspoon?
Multiply the grain per fluid ounce value by 0.000001700680272. The converter above does this instantly to whatever precision you set.
How do I convert stone per teaspoon back to grain per fluid ounce?
Use the reverse factor: 1 stone per teaspoon equals 588,000 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 stone per teaspoon?
Stone per Teaspoon (st/tsp) is a unit of density.
Is the grain per fluid ounce to stone per teaspoon conversion exact?
Yes. Both grain per fluid ounce and stone per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 0.000001700680272 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.