Mass per volume density.
Micrograms per Pint to Grains per Teaspoon Converter — ug/pt to gr/tsp
Convert Microgram per Pint (ug/pt) to Grain per Teaspoon (gr/tsp) using the exact conversion factor (1 microgram per pint = 1.607537e-7 grain per teaspoon). See the formula, worked examples, and conversion table.
Micrograms per Pint 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 2.11337642e-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 Pint to Grains per Teaspoon
Microgram per Pint 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 pint × 1.607537e-7
This factor comes from each unit's defined relationship to the category's base unit: 1 microgram per pint equals 0.00000211337641887 base units, and 1 grain per teaspoon equals 13.1466708828 base units, so dividing one by the other gives the direct microgram per pint-to-grain per teaspoon factor of 1.607537e-7.
Simple example
1 ug/pt × 1.607537e-7 = 1.607537e-7 gr/tsp
1 microgram per pint = 1.607537e-7 grains per teaspoon.
Real-world example
1,000 ug/pt × 1.607537e-7 = 0.0001607537 gr/tsp
1,000 micrograms per pint = 0.0001607537 grains per teaspoon.
Conversion table
| Microgram per Pint (ug/pt) | Grain per Teaspoon (gr/tsp) |
|---|---|
| 0.1 ug/pt | 1.607537e-8 gr/tsp |
| 1 ug/pt | 1.607537e-7 gr/tsp |
| 10 ug/pt | 0.0000016075 gr/tsp |
| 100 ug/pt | 0.0000160754 gr/tsp |
| 1,000 ug/pt | 0.0001607537 gr/tsp |
| 10,000 ug/pt | 0.0016075373 gr/tsp |
Reverse conversion: Grain per Teaspoon to Microgram per Pint
1.607537e-7 gr/tsp × 6220695.36 = 0.9999997957 ug/pt
1.607537e-7 grains per teaspoon = 0.9999997957 micrograms per pint.
micrograms per pint = grains per teaspoon × 6220695.36
For a page dedicated to this direction, see Grain per Teaspoon to Microgram per Pint.
Understanding the Microgram per Pint (ug/pt)
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 pint?
1 microgram per pint equals 1.607537e-7 grains per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert microgram per pint to grain per teaspoon?
Multiply the microgram per pint value by 1.607537e-7. The converter above does this instantly to whatever precision you set.
How do I convert grain per teaspoon back to microgram per pint?
Use the reverse factor: 1 grain per teaspoon equals 6,220,695.36 micrograms per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a microgram per pint?
Microgram per Pint (ug/pt) 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 pint to grain per teaspoon conversion exact?
Yes. Both microgram per pint and grain per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 1.607537e-7 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.