Mass per volume density.
Grains per Gallon to Micrograms per Teaspoon Converter — gr/gal to ug/tsp
Convert Grain per Gallon (gr/gal) to Microgram per Teaspoon (ug/tsp) using the exact conversion factor (1 grain per gallon = 84.37358073 microgram per teaspoon). See the formula, worked examples, and conversion table.
Grains per Gallon to Micrograms 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 0.01711806105 / 0.0002028841362.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Gallon to Micrograms per Teaspoon
Grain per Gallon and Microgram 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
micrograms per teaspoon = grains per gallon × 84.3735807292
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per gallon equals 0.0171180610453 base units, and 1 microgram per teaspoon equals 0.000202884136211 base units, so dividing one by the other gives the direct grain per gallon-to-microgram per teaspoon factor of 84.3735807292.
Simple example
1 gr/gal × 84.37358073 = 84.37358073 ug/tsp
1 grain per gallon = 84.37358073 micrograms per teaspoon.
Real-world example
1,000 gr/gal × 84.37358073 = 84,373.58073 ug/tsp
1,000 grains per gallon = 84,373.58073 micrograms per teaspoon.
Conversion table
| Grain per Gallon (gr/gal) | Microgram per Teaspoon (ug/tsp) |
|---|---|
| 0.1 gr/gal | 8.437358073 ug/tsp |
| 1 gr/gal | 84.37358073 ug/tsp |
| 10 gr/gal | 843.7358073 ug/tsp |
| 100 gr/gal | 8,437.358073 ug/tsp |
| 1,000 gr/gal | 84,373.58073 ug/tsp |
| 10,000 gr/gal | 843,735.8073 ug/tsp |
Reverse conversion: Microgram per Teaspoon to Grain per Gallon
84.37358073 ug/tsp × 0.01185205122 = 1 gr/gal
84.37358073 micrograms per teaspoon = 1 grains per gallon.
grains per gallon = micrograms per teaspoon × 0.0118520512151
For a page dedicated to this direction, see Microgram per Teaspoon to Grain per Gallon.
Understanding the Grain per Gallon (gr/gal)
Mass per volume density.
Understanding the Microgram per Teaspoon (ug/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many micrograms per teaspoon are in 1 grain per gallon?
1 grain per gallon equals 84.37358073 micrograms per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert grain per gallon to microgram per teaspoon?
Multiply the grain per gallon value by 84.37358073. The converter above does this instantly to whatever precision you set.
How do I convert microgram per teaspoon back to grain per gallon?
Use the reverse factor: 1 microgram per teaspoon equals 0.0118520512 grains per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per gallon?
Grain per Gallon (gr/gal) is a unit of density.
What is a microgram per teaspoon?
Microgram per Teaspoon (ug/tsp) is a unit of density.
Is the grain per gallon to microgram per teaspoon conversion exact?
Yes. Both grain per gallon and microgram per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 84.37358073 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.