Mass per volume density.
Pounds per Imperial gallon to Decigrams per Cubic Millimeter Converter — lb/imp gal to dg/mm3
Convert Pound per Imperial gallon (lb/imp gal) to Decigram per Cubic Millimeter (dg/mm3) using the exact conversion factor (1 pound per imperial gallon = 0.0009977637 decigram per cubic millimeter). See the formula, worked examples, and conversion table.
Pounds per Imperial gallon to Decigrams per Cubic Millimeter 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 / 100000.
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 Decigrams per Cubic Millimeter
Pound per Imperial gallon and Decigram per Cubic Millimeter 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
decigrams per cubic millimeter = pounds per imperial gallon × 0.000997763726631
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 decigram per cubic millimeter equals 100000 base units, so dividing one by the other gives the direct pound per imperial gallon-to-decigram per cubic millimeter factor of 0.000997763726631.
Simple example
1 lb/imp gal × 0.0009977637266 = 0.0009977637 dg/mm3
1 pound per imperial gallon = 0.0009977637 decigrams per cubic millimeter.
Real-world example
1,000 lb/imp gal × 0.0009977637266 = 0.9977637266 dg/mm3
1,000 pounds per imperial gallon = 0.9977637266 decigrams per cubic millimeter.
Conversion table
| Pound per Imperial gallon (lb/imp gal) | Decigram per Cubic Millimeter (dg/mm3) |
|---|---|
| 0.1 lb/imp gal | 0.0000997764 dg/mm3 |
| 1 lb/imp gal | 0.0009977637 dg/mm3 |
| 10 lb/imp gal | 0.0099776373 dg/mm3 |
| 100 lb/imp gal | 0.0997763727 dg/mm3 |
| 1,000 lb/imp gal | 0.9977637266 dg/mm3 |
| 10,000 lb/imp gal | 9.977637266 dg/mm3 |
Reverse conversion: Decigram per Cubic Millimeter to Pound per Imperial gallon
0.0009977637 dg/mm3 × 1002.241285 = 0.9999999733 lb/imp gal
0.0009977637 decigrams per cubic millimeter = 0.9999999733 pounds per imperial gallon.
pounds per imperial gallon = decigrams per cubic millimeter × 1002.2412855
For a page dedicated to this direction, see Decigram per Cubic Millimeter to Pound per Imperial gallon.
Understanding the Pound per Imperial gallon (lb/imp gal)
Mass per volume density.
Understanding the Decigram per Cubic Millimeter (dg/mm3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many decigrams per cubic millimeter are in 1 pound per imperial gallon?
1 pound per imperial gallon equals 0.0009977637 decigrams per cubic millimeter, using the exact defined conversion factor rather than an estimate.
How do I convert pound per imperial gallon to decigram per cubic millimeter?
Multiply the pound per imperial gallon value by 0.0009977637266. The converter above does this instantly to whatever precision you set.
How do I convert decigram per cubic millimeter back to pound per imperial gallon?
Use the reverse factor: 1 decigram per cubic millimeter equals 1,002.241285 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 decigram per cubic millimeter?
Decigram per Cubic Millimeter (dg/mm3) is a unit of density.
Is the pound per imperial gallon to decigram per cubic millimeter conversion exact?
Yes. Both pound per imperial gallon and decigram per cubic millimeter are defined by fixed standards rather than physical artifacts, so the factor of 0.0009977637266 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.