Mass per volume density.
Grains per Imperial gallon to Milligrams per Pint Converter — gr/imp gal to mg/pt
Convert Grain per Imperial gallon (gr/imp gal) to Milligram per Pint (mg/pt) using the exact conversion factor (1 grain per imperial gallon = 6.744547444 milligram per pint). See the formula, worked examples, and conversion table.
Grains per Imperial gallon to Milligrams 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 0.01425376752 / 0.002113376419.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Imperial gallon to Milligrams per Pint
Grain per Imperial gallon and Milligram 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
milligrams per pint = grains per imperial gallon × 6.74454744364
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per imperial gallon equals 0.0142537675233 base units, and 1 milligram per pint equals 0.00211337641887 base units, so dividing one by the other gives the direct grain per imperial gallon-to-milligram per pint factor of 6.74454744364.
Simple example
1 gr/imp gal × 6.744547444 = 6.744547444 mg/pt
1 grain per imperial gallon = 6.744547444 milligrams per pint.
Real-world example
1,000 gr/imp gal × 6.744547444 = 6,744.547444 mg/pt
1,000 grains per imperial gallon = 6,744.547444 milligrams per pint.
Conversion table
| Grain per Imperial gallon (gr/imp gal) | Milligram per Pint (mg/pt) |
|---|---|
| 0.1 gr/imp gal | 0.6744547444 mg/pt |
| 1 gr/imp gal | 6.744547444 mg/pt |
| 10 gr/imp gal | 67.44547444 mg/pt |
| 100 gr/imp gal | 674.4547444 mg/pt |
| 1,000 gr/imp gal | 6,744.547444 mg/pt |
| 10,000 gr/imp gal | 67,445.47444 mg/pt |
Reverse conversion: Milligram per Pint to Grain per Imperial gallon
6.744547444 mg/pt × 0.1482679169 = 1 gr/imp gal
6.744547444 milligrams per pint = 1 grains per imperial gallon.
grains per imperial gallon = milligrams per pint × 0.148267916915
For a page dedicated to this direction, see Milligram per Pint to Grain per Imperial gallon.
Understanding the Grain per Imperial gallon (gr/imp gal)
Mass per volume density.
Understanding the Milligram per Pint (mg/pt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many milligrams per pint are in 1 grain per imperial gallon?
1 grain per imperial gallon equals 6.744547444 milligrams per pint, using the exact defined conversion factor rather than an estimate.
How do I convert grain per imperial gallon to milligram per pint?
Multiply the grain per imperial gallon value by 6.744547444. The converter above does this instantly to whatever precision you set.
How do I convert milligram per pint back to grain per imperial gallon?
Use the reverse factor: 1 milligram per pint equals 0.1482679169 grains per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per imperial gallon?
Grain per Imperial gallon (gr/imp gal) is a unit of density.
What is a milligram per pint?
Milligram per Pint (mg/pt) is a unit of density.
Is the grain per imperial gallon to milligram per pint conversion exact?
Yes. Both grain per imperial gallon and milligram per pint are defined by fixed standards rather than physical artifacts, so the factor of 6.744547444 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.