Mass per volume density.
Milligrams per Teaspoon to Grains per Pint Converter — mg/tsp to gr/pt
Convert Milligram per Teaspoon (mg/tsp) to Grain per Pint (gr/pt) using the exact conversion factor (1 milligram per teaspoon = 1.481506402 grain per pint). See the formula, worked examples, and conversion table.
Milligrams per Teaspoon to Grains per Pint 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 0.2028841362 / 0.1369444884.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Milligrams per Teaspoon to Grains per Pint
Milligram per Teaspoon and Grain per Pint 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 pint = milligrams per teaspoon × 1.48150640188
This factor comes from each unit's defined relationship to the category's base unit: 1 milligram per teaspoon equals 0.202884136211 base units, and 1 grain per pint equals 0.136944488362 base units, so dividing one by the other gives the direct milligram per teaspoon-to-grain per pint factor of 1.48150640188.
Simple example
1 mg/tsp × 1.481506402 = 1.481506402 gr/pt
1 milligram per teaspoon = 1.481506402 grains per pint.
Real-world example
1,000 mg/tsp × 1.481506402 = 1,481.506402 gr/pt
1,000 milligrams per teaspoon = 1,481.506402 grains per pint.
Conversion table
| Milligram per Teaspoon (mg/tsp) | Grain per Pint (gr/pt) |
|---|---|
| 0.1 mg/tsp | 0.1481506402 gr/pt |
| 1 mg/tsp | 1.481506402 gr/pt |
| 10 mg/tsp | 14.81506402 gr/pt |
| 100 mg/tsp | 148.1506402 gr/pt |
| 1,000 mg/tsp | 1,481.506402 gr/pt |
| 10,000 mg/tsp | 14,815.06402 gr/pt |
Reverse conversion: Grain per Pint to Milligram per Teaspoon
1.481506402 gr/pt × 0.6749886458 = 1 mg/tsp
1.481506402 grains per pint = 1 milligrams per teaspoon.
milligrams per teaspoon = grains per pint × 0.674988645833
For a page dedicated to this direction, see Grain per Pint to Milligram per Teaspoon.
Understanding the Milligram per Teaspoon (mg/tsp)
Mass per volume density.
Understanding the Grain per Pint (gr/pt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per pint are in 1 milligram per teaspoon?
1 milligram per teaspoon equals 1.481506402 grains per pint, using the exact defined conversion factor rather than an estimate.
How do I convert milligram per teaspoon to grain per pint?
Multiply the milligram per teaspoon value by 1.481506402. The converter above does this instantly to whatever precision you set.
How do I convert grain per pint back to milligram per teaspoon?
Use the reverse factor: 1 grain per pint equals 0.6749886458 milligrams per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a milligram per teaspoon?
Milligram per Teaspoon (mg/tsp) is a unit of density.
What is a grain per pint?
Grain per Pint (gr/pt) is a unit of density.
Is the milligram per teaspoon to grain per pint conversion exact?
Yes. Both milligram per teaspoon and grain per pint are defined by fixed standards rather than physical artifacts, so the factor of 1.481506402 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.