Mass per volume density.
Micrograms per Quart to Grains per Teaspoon Converter — ug/qt to gr/tsp
Convert Microgram per Quart (ug/qt) to Grain per Teaspoon (gr/tsp) using the exact conversion factor (1 microgram per quart = 8.037687e-8 grain per teaspoon). See the formula, worked examples, and conversion table.
Micrograms per Quart 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 1.05668821e-6 / 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 Quart to Grains per Teaspoon
Microgram per Quart 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 quart × 8.037687e-8
This factor comes from each unit's defined relationship to the category's base unit: 1 microgram per quart equals 0.00000105668820943 base units, and 1 grain per teaspoon equals 13.1466708828 base units, so dividing one by the other gives the direct microgram per quart-to-grain per teaspoon factor of 8.037687e-8.
Simple example
1 ug/qt × 8.037687e-8 = 8.037687e-8 gr/tsp
1 microgram per quart = 8.037687e-8 grains per teaspoon.
Real-world example
1,000 ug/qt × 8.037687e-8 = 0.0000803769 gr/tsp
1,000 micrograms per quart = 0.0000803769 grains per teaspoon.
Conversion table
| Microgram per Quart (ug/qt) | Grain per Teaspoon (gr/tsp) |
|---|---|
| 0.1 ug/qt | 8.037687e-9 gr/tsp |
| 1 ug/qt | 8.037687e-8 gr/tsp |
| 10 ug/qt | 8.037687e-7 gr/tsp |
| 100 ug/qt | 0.0000080377 gr/tsp |
| 1,000 ug/qt | 0.0000803769 gr/tsp |
| 10,000 ug/qt | 0.0008037687 gr/tsp |
Reverse conversion: Grain per Teaspoon to Microgram per Quart
8.037687e-8 gr/tsp × 12441390.72 = 1.000000045 ug/qt
8.037687e-8 grains per teaspoon = 1.000000045 micrograms per quart.
micrograms per quart = grains per teaspoon × 12441390.72
For a page dedicated to this direction, see Grain per Teaspoon to Microgram per Quart.
Understanding the Microgram per Quart (ug/qt)
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 quart?
1 microgram per quart equals 8.037687e-8 grains per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert microgram per quart to grain per teaspoon?
Multiply the microgram per quart value by 8.037687e-8. The converter above does this instantly to whatever precision you set.
How do I convert grain per teaspoon back to microgram per quart?
Use the reverse factor: 1 grain per teaspoon equals 12,441,390.72 micrograms per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a microgram per quart?
Microgram per Quart (ug/qt) 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 quart to grain per teaspoon conversion exact?
Yes. Both microgram per quart and grain per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 8.037687e-8 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.