Mass per volume density.
Grains per Gallon to Pounds per Pint Converter — gr/gal to lb/pt
Convert Grain per Gallon (gr/gal) to Pound per Pint (lb/pt) using the exact conversion factor (1 grain per gallon = 0.0000178571 pound per pint). See the formula, worked examples, and conversion table.
Grains per Gallon to Pounds 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 0.01711806105 / 958.6114185.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Gallon to Pounds per Pint
Grain per Gallon and Pound 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
pounds per pint = grains per gallon × 0.0000178571428571
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per gallon equals 0.0171180610453 base units, and 1 pound per pint equals 958.611418535 base units, so dividing one by the other gives the direct grain per gallon-to-pound per pint factor of 0.0000178571428571.
Simple example
1 gr/gal × 0.00001785714286 = 0.0000178571 lb/pt
1 grain per gallon = 0.0000178571 pounds per pint.
Real-world example
1,000 gr/gal × 0.00001785714286 = 0.0178571429 lb/pt
1,000 grains per gallon = 0.0178571429 pounds per pint.
Conversion table
| Grain per Gallon (gr/gal) | Pound per Pint (lb/pt) |
|---|---|
| 0.1 gr/gal | 0.0000017857 lb/pt |
| 1 gr/gal | 0.0000178571 lb/pt |
| 10 gr/gal | 0.0001785714 lb/pt |
| 100 gr/gal | 0.0017857143 lb/pt |
| 1,000 gr/gal | 0.0178571429 lb/pt |
| 10,000 gr/gal | 0.1785714286 lb/pt |
Reverse conversion: Pound per Pint to Grain per Gallon
0.0000178571 lb/pt × 56000 = 0.9999976 gr/gal
0.0000178571 pounds per pint = 0.9999976 grains per gallon.
grains per gallon = pounds per pint × 56000
For a page dedicated to this direction, see Pound per Pint to Grain per Gallon.
Understanding the Grain per Gallon (gr/gal)
Mass per volume density.
Understanding the Pound per Pint (lb/pt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per pint are in 1 grain per gallon?
1 grain per gallon equals 0.0000178571 pounds per pint, using the exact defined conversion factor rather than an estimate.
How do I convert grain per gallon to pound per pint?
Multiply the grain per gallon value by 0.00001785714286. The converter above does this instantly to whatever precision you set.
How do I convert pound per pint back to grain per gallon?
Use the reverse factor: 1 pound per pint equals 56,000 grains per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per gallon?
Grain per Gallon (gr/gal) is a unit of density.
What is a pound per pint?
Pound per Pint (lb/pt) is a unit of density.
Is the grain per gallon to pound per pint conversion exact?
Yes. Both grain per gallon and pound per pint are defined by fixed standards rather than physical artifacts, so the factor of 0.00001785714286 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.