Mass per volume density.
Milligrams per Cup to Grains per Pint Converter — mg/cup to gr/pt
Convert Milligram per Cup (mg/cup) to Grain per Pint (gr/pt) using the exact conversion factor (1 milligram per cup = 0.0308647167 grain per pint). See the formula, worked examples, and conversion table.
Milligrams per Cup 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 0.004226752838 / 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 Cup to Grains per Pint
Milligram per Cup 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 cup × 0.0308647167059
This factor comes from each unit's defined relationship to the category's base unit: 1 milligram per cup equals 0.00422675283773 base units, and 1 grain per pint equals 0.136944488362 base units, so dividing one by the other gives the direct milligram per cup-to-grain per pint factor of 0.0308647167059.
Simple example
1 mg/cup × 0.03086471671 = 0.0308647167 gr/pt
1 milligram per cup = 0.0308647167 grains per pint.
Real-world example
1,000 mg/cup × 0.03086471671 = 30.86471671 gr/pt
1,000 milligrams per cup = 30.86471671 grains per pint.
Conversion table
| Milligram per Cup (mg/cup) | Grain per Pint (gr/pt) |
|---|---|
| 0.1 mg/cup | 0.0030864717 gr/pt |
| 1 mg/cup | 0.0308647167 gr/pt |
| 10 mg/cup | 0.3086471671 gr/pt |
| 100 mg/cup | 3.086471671 gr/pt |
| 1,000 mg/cup | 30.86471671 gr/pt |
| 10,000 mg/cup | 308.6471671 gr/pt |
Reverse conversion: Grain per Pint to Milligram per Cup
0.0308647167 gr/pt × 32.399455 = 0.9999999998 mg/cup
0.0308647167 grains per pint = 0.9999999998 milligrams per cup.
milligrams per cup = grains per pint × 32.399455
For a page dedicated to this direction, see Grain per Pint to Milligram per Cup.
Understanding the Milligram per Cup (mg/cup)
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 cup?
1 milligram per cup equals 0.0308647167 grains per pint, using the exact defined conversion factor rather than an estimate.
How do I convert milligram per cup to grain per pint?
Multiply the milligram per cup value by 0.03086471671. The converter above does this instantly to whatever precision you set.
How do I convert grain per pint back to milligram per cup?
Use the reverse factor: 1 grain per pint equals 32.399455 milligrams per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a milligram per cup?
Milligram per Cup (mg/cup) 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 cup to grain per pint conversion exact?
Yes. Both milligram per cup and grain per pint are defined by fixed standards rather than physical artifacts, so the factor of 0.03086471671 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.