Mass per volume density.
Grains per Teaspoon to Kilograms per Teaspoon Converter — gr/tsp to kg/tsp
Convert Grain per Teaspoon (gr/tsp) to Kilogram per Teaspoon (kg/tsp) using the exact conversion factor (1 grain per teaspoon = 0.0000647989 kilogram per teaspoon). See the formula, worked examples, and conversion table.
Grains per Teaspoon to Kilograms 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 13.14667088 / 202884.1362.
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 Teaspoon
Grain per Teaspoon and Kilogram 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
kilograms per teaspoon = grains per teaspoon × 0.00006479891
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 teaspoon equals 202884.136211 base units, so dividing one by the other gives the direct grain per teaspoon-to-kilogram per teaspoon factor of 0.00006479891.
Simple example
1 gr/tsp × 0.00006479891 = 0.0000647989 kg/tsp
1 grain per teaspoon = 0.0000647989 kilograms per teaspoon.
Real-world example
1,000 gr/tsp × 0.00006479891 = 0.06479891 kg/tsp
1,000 grains per teaspoon = 0.06479891 kilograms per teaspoon.
Conversion table
| Grain per Teaspoon (gr/tsp) | Kilogram per Teaspoon (kg/tsp) |
|---|---|
| 0.1 gr/tsp | 0.0000064799 kg/tsp |
| 1 gr/tsp | 0.0000647989 kg/tsp |
| 10 gr/tsp | 0.0006479891 kg/tsp |
| 100 gr/tsp | 0.006479891 kg/tsp |
| 1,000 gr/tsp | 0.06479891 kg/tsp |
| 10,000 gr/tsp | 0.6479891 kg/tsp |
Reverse conversion: Kilogram per Teaspoon to Grain per Teaspoon
0.0000647989 kg/tsp × 15432.35835 = 0.9999998457 gr/tsp
0.0000647989 kilograms per teaspoon = 0.9999998457 grains per teaspoon.
grains per teaspoon = kilograms per teaspoon × 15432.3583529
For a page dedicated to this direction, see Kilogram per Teaspoon to Grain per Teaspoon.
Understanding the Grain per Teaspoon (gr/tsp)
Mass per volume density.
Understanding the Kilogram per Teaspoon (kg/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilograms per teaspoon are in 1 grain per teaspoon?
1 grain per teaspoon equals 0.0000647989 kilograms per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert grain per teaspoon to kilogram per teaspoon?
Multiply the grain per teaspoon value by 0.00006479891. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per teaspoon back to grain per teaspoon?
Use the reverse factor: 1 kilogram per teaspoon equals 15,432.35835 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 teaspoon?
Kilogram per Teaspoon (kg/tsp) is a unit of density.
Is the grain per teaspoon to kilogram per teaspoon conversion exact?
Yes. Both grain per teaspoon and kilogram per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 0.00006479891 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.