Mass per volume density.
Pounds per Imperial gallon to Grains per Gallon Converter — lb/imp gal to gr/gal
Convert Pound per Imperial gallon (lb/imp gal) to Grain per Gallon (gr/gal) using the exact conversion factor (1 pound per imperial gallon = 5,828.719292 grain per gallon). See the formula, worked examples, and conversion table.
Pounds per Imperial gallon to Grains per Gallon 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 99.77637266 / 0.01711806105.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Imperial gallon to Grains per Gallon
Pound per Imperial gallon and Grain per Gallon 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 gallon = pounds per imperial gallon × 5828.7192924
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per imperial gallon equals 99.7763726631 base units, and 1 grain per gallon equals 0.0171180610453 base units, so dividing one by the other gives the direct pound per imperial gallon-to-grain per gallon factor of 5828.7192924.
Simple example
1 lb/imp gal × 5828.719292 = 5,828.719292 gr/gal
1 pound per imperial gallon = 5,828.719292 grains per gallon.
Real-world example
1,000 lb/imp gal × 5828.719292 = 5,828,719.292 gr/gal
1,000 pounds per imperial gallon = 5,828,719.292 grains per gallon.
Conversion table
| Pound per Imperial gallon (lb/imp gal) | Grain per Gallon (gr/gal) |
|---|---|
| 0.1 lb/imp gal | 582.8719292 gr/gal |
| 1 lb/imp gal | 5,828.719292 gr/gal |
| 10 lb/imp gal | 58,287.19292 gr/gal |
| 100 lb/imp gal | 582,871.9292 gr/gal |
| 1,000 lb/imp gal | 5,828,719.292 gr/gal |
| 10,000 lb/imp gal | 58,287,192.92 gr/gal |
Reverse conversion: Grain per Gallon to Pound per Imperial gallon
1 gr/gal × 0.0001715642751 = 0.0001715643 lb/imp gal
1 grain per gallon = 0.0001715643 pounds per imperial gallon.
pounds per imperial gallon = grains per gallon × 0.000171564275072
For a page dedicated to this direction, see Grain per Gallon to Pound per Imperial gallon.
Understanding the Pound per Imperial gallon (lb/imp gal)
Mass per volume density.
Understanding the Grain per Gallon (gr/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per gallon are in 1 pound per imperial gallon?
1 pound per imperial gallon equals 5,828.719292 grains per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert pound per imperial gallon to grain per gallon?
Multiply the pound per imperial gallon value by 5828.719292. The converter above does this instantly to whatever precision you set.
How do I convert grain per gallon back to pound per imperial gallon?
Use the reverse factor: 1 grain per gallon equals 0.0001715643 pounds per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per imperial gallon?
Pound per Imperial gallon (lb/imp gal) is a unit of density.
What is a grain per gallon?
Grain per Gallon (gr/gal) is a unit of density.
Is the pound per imperial gallon to grain per gallon conversion exact?
Yes. Both pound per imperial gallon and grain per gallon are defined by fixed standards rather than physical artifacts, so the factor of 5828.719292 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.