Mass per volume density.
Micrograms per Teaspoon to Grains per Teaspoon Converter — ug/tsp to gr/tsp
Convert Microgram per Teaspoon (ug/tsp) to Grain per Teaspoon (gr/tsp) using the exact conversion factor (1 microgram per teaspoon = 0.0000154324 grain per teaspoon). See the formula, worked examples, and conversion table.
Micrograms per Teaspoon to Grains 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 0.0002028841362 / 13.14667088.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Micrograms per Teaspoon to Grains per Teaspoon
Microgram per Teaspoon and Grain 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
grains per teaspoon = micrograms per teaspoon × 0.0000154323583529
This factor comes from each unit's defined relationship to the category's base unit: 1 microgram per teaspoon equals 0.000202884136211 base units, and 1 grain per teaspoon equals 13.1466708828 base units, so dividing one by the other gives the direct microgram per teaspoon-to-grain per teaspoon factor of 0.0000154323583529.
Simple example
1 ug/tsp × 0.00001543235835 = 0.0000154324 gr/tsp
1 microgram per teaspoon = 0.0000154324 grains per teaspoon.
Real-world example
1,000 ug/tsp × 0.00001543235835 = 0.0154323584 gr/tsp
1,000 micrograms per teaspoon = 0.0154323584 grains per teaspoon.
Conversion table
| Microgram per Teaspoon (ug/tsp) | Grain per Teaspoon (gr/tsp) |
|---|---|
| 0.1 ug/tsp | 0.0000015432 gr/tsp |
| 1 ug/tsp | 0.0000154324 gr/tsp |
| 10 ug/tsp | 0.0001543236 gr/tsp |
| 100 ug/tsp | 0.0015432358 gr/tsp |
| 1,000 ug/tsp | 0.0154323584 gr/tsp |
| 10,000 ug/tsp | 0.1543235835 gr/tsp |
Reverse conversion: Grain per Teaspoon to Microgram per Teaspoon
0.0000154324 gr/tsp × 64798.91 = 1.000002699 ug/tsp
0.0000154324 grains per teaspoon = 1.000002699 micrograms per teaspoon.
micrograms per teaspoon = grains per teaspoon × 64798.91
For a page dedicated to this direction, see Grain per Teaspoon to Microgram per Teaspoon.
Understanding the Microgram per Teaspoon (ug/tsp)
Mass per volume density.
Understanding the Grain per Teaspoon (gr/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per teaspoon are in 1 microgram per teaspoon?
1 microgram per teaspoon equals 0.0000154324 grains per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert microgram per teaspoon to grain per teaspoon?
Multiply the microgram per teaspoon value by 0.00001543235835. The converter above does this instantly to whatever precision you set.
How do I convert grain per teaspoon back to microgram per teaspoon?
Use the reverse factor: 1 grain per teaspoon equals 64,798.91 micrograms per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a microgram per teaspoon?
Microgram per Teaspoon (ug/tsp) is a unit of density.
What is a grain per teaspoon?
Grain per Teaspoon (gr/tsp) is a unit of density.
Is the microgram per teaspoon to grain per teaspoon conversion exact?
Yes. Both microgram per teaspoon and grain per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 0.00001543235835 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.