Mass per volume density.
Grains per Teaspoon to Kilograms per Fluid ounce Converter — gr/tsp to kg/fl oz
Convert Grain per Teaspoon (gr/tsp) to Kilogram per Fluid ounce (kg/fl oz) using the exact conversion factor (1 grain per teaspoon = 0.0003887935 kilogram per fluid ounce). See the formula, worked examples, and conversion table.
Grains per Teaspoon to Kilograms 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 13.14667088 / 33814.0227.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Teaspoon to Kilograms per Fluid ounce
Grain per Teaspoon and Kilogram 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
kilograms per fluid ounce = grains per teaspoon × 0.00038879346
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per teaspoon equals 13.1466708828 base units, and 1 kilogram per fluid ounce equals 33814.0227018 base units, so dividing one by the other gives the direct grain per teaspoon-to-kilogram per fluid ounce factor of 0.00038879346.
Simple example
1 gr/tsp × 0.00038879346 = 0.0003887935 kg/fl oz
1 grain per teaspoon = 0.0003887935 kilograms per fluid ounce.
Real-world example
1,000 gr/tsp × 0.00038879346 = 0.38879346 kg/fl oz
1,000 grains per teaspoon = 0.38879346 kilograms per fluid ounce.
Conversion table
| Grain per Teaspoon (gr/tsp) | Kilogram per Fluid ounce (kg/fl oz) |
|---|---|
| 0.1 gr/tsp | 0.0000388793 kg/fl oz |
| 1 gr/tsp | 0.0003887935 kg/fl oz |
| 10 gr/tsp | 0.0038879346 kg/fl oz |
| 100 gr/tsp | 0.038879346 kg/fl oz |
| 1,000 gr/tsp | 0.38879346 kg/fl oz |
| 10,000 gr/tsp | 3.8879346 kg/fl oz |
Reverse conversion: Kilogram per Fluid ounce to Grain per Teaspoon
0.0003887935 kg/fl oz × 2572.059725 = 1.000000103 gr/tsp
0.0003887935 kilograms per fluid ounce = 1.000000103 grains per teaspoon.
grains per teaspoon = kilograms per fluid ounce × 2572.05972549
For a page dedicated to this direction, see Kilogram per Fluid ounce to Grain per Teaspoon.
Understanding the Grain per Teaspoon (gr/tsp)
Mass per volume density.
Understanding the Kilogram per Fluid ounce (kg/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilograms per fluid ounce are in 1 grain per teaspoon?
1 grain per teaspoon equals 0.0003887935 kilograms per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert grain per teaspoon to kilogram per fluid ounce?
Multiply the grain per teaspoon value by 0.00038879346. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per fluid ounce back to grain per teaspoon?
Use the reverse factor: 1 kilogram per fluid ounce equals 2,572.059725 grains per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per teaspoon?
Grain per Teaspoon (gr/tsp) is a unit of density.
What is a kilogram per fluid ounce?
Kilogram per Fluid ounce (kg/fl oz) is a unit of density.
Is the grain per teaspoon to kilogram per fluid ounce conversion exact?
Yes. Both grain per teaspoon and kilogram per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 0.00038879346 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.