Mass per volume density.
Pounds per Cubic Millimeter to Ounces per Imperial gallon Converter — lb/mm3 to oz/imp gal
Convert Pound per Cubic Millimeter (lb/mm3) to Ounce per Imperial gallon (oz/imp gal) using the exact conversion factor (1 pound per cubic millimeter = 72,737,440 ounce per imperial gallon). See the formula, worked examples, and conversion table.
Pounds per Cubic Millimeter to Ounces per Imperial 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 4.5359237e+8 / 6.236023291.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Cubic Millimeter to Ounces per Imperial gallon
Pound per Cubic Millimeter and Ounce per Imperial 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
ounces per imperial gallon = pounds per cubic millimeter × 72737440
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per cubic millimeter equals 453592370 base units, and 1 ounce per imperial gallon equals 6.23602329144 base units, so dividing one by the other gives the direct pound per cubic millimeter-to-ounce per imperial gallon factor of 72737440.
Simple example
1 lb/mm3 × 72737440 = 72,737,440 oz/imp gal
1 pound per cubic millimeter = 72,737,440 ounces per imperial gallon.
Real-world example
1,000 lb/mm3 × 72737440 = 72,737,440,000 oz/imp gal
1,000 pounds per cubic millimeter = 72,737,440,000 ounces per imperial gallon.
Conversion table
| Pound per Cubic Millimeter (lb/mm3) | Ounce per Imperial gallon (oz/imp gal) |
|---|---|
| 0.1 lb/mm3 | 7,273,744 oz/imp gal |
| 1 lb/mm3 | 72,737,440 oz/imp gal |
| 10 lb/mm3 | 727,374,400 oz/imp gal |
| 100 lb/mm3 | 7,273,744,000 oz/imp gal |
| 1,000 lb/mm3 | 72,737,440,000 oz/imp gal |
| 10,000 lb/mm3 | 727,374,400,000 oz/imp gal |
Reverse conversion: Ounce per Imperial gallon to Pound per Cubic Millimeter
1 oz/imp gal × 1.374808e-8 = 1.374808e-8 lb/mm3
1 ounce per imperial gallon = 1.374808e-8 pounds per cubic millimeter.
pounds per cubic millimeter = ounces per imperial gallon × 1.374808e-8
For a page dedicated to this direction, see Ounce per Imperial gallon to Pound per Cubic Millimeter.
Understanding the Pound per Cubic Millimeter (lb/mm3)
Mass per volume density.
Understanding the Ounce per Imperial gallon (oz/imp gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ounces per imperial gallon are in 1 pound per cubic millimeter?
1 pound per cubic millimeter equals 72,737,440 ounces per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cubic millimeter to ounce per imperial gallon?
Multiply the pound per cubic millimeter value by 72737440. The converter above does this instantly to whatever precision you set.
How do I convert ounce per imperial gallon back to pound per cubic millimeter?
Use the reverse factor: 1 ounce per imperial gallon equals 1.374808e-8 pounds per cubic millimeter. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per cubic millimeter?
Pound per Cubic Millimeter (lb/mm3) is a unit of density.
What is a ounce per imperial gallon?
Ounce per Imperial gallon (oz/imp gal) is a unit of density.
Is the pound per cubic millimeter to ounce per imperial gallon conversion exact?
Yes. Both pound per cubic millimeter and ounce per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 72737440 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.