Mass per volume density.
Pounds per Imperial gallon to Megagram per Cubic inches Converter — lb/imp gal to Mg/in3
Convert Pound per Imperial gallon (lb/imp gal) to Megagram per Cubic inch (Mg/in3) using the exact conversion factor (1 pound per imperial gallon = 0.000001635 megagram per cubic inch). See the formula, worked examples, and conversion table.
Pounds per Imperial gallon to Megagram per Cubic inches 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 / 6.10237441e+7.
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 Megagram per Cubic inches
Pound per Imperial gallon and Megagram per Cubic inch 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
megagram per cubic inches = pounds per imperial gallon × 0.00000163504180452
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 megagram per cubic inch equals 61023744.0947 base units, so dividing one by the other gives the direct pound per imperial gallon-to-megagram per cubic inch factor of 0.00000163504180452.
Simple example
1 lb/imp gal × 0.000001635041805 = 0.000001635 Mg/in3
1 pound per imperial gallon = 0.000001635 megagram per cubic inches.
Real-world example
1,000 lb/imp gal × 0.000001635041805 = 0.0016350418 Mg/in3
1,000 pounds per imperial gallon = 0.0016350418 megagram per cubic inches.
Conversion table
| Pound per Imperial gallon (lb/imp gal) | Megagram per Cubic inch (Mg/in3) |
|---|---|
| 0.1 lb/imp gal | 1.635042e-7 Mg/in3 |
| 1 lb/imp gal | 0.000001635 Mg/in3 |
| 10 lb/imp gal | 0.0000163504 Mg/in3 |
| 100 lb/imp gal | 0.0001635042 Mg/in3 |
| 1,000 lb/imp gal | 0.0016350418 Mg/in3 |
| 10,000 lb/imp gal | 0.0163504181 Mg/in3 |
Reverse conversion: Megagram per Cubic inch to Pound per Imperial gallon
0.000001635 Mg/in3 × 611605.1573 = 0.9999744321 lb/imp gal
0.000001635 megagram per cubic inches = 0.9999744321 pounds per imperial gallon.
pounds per imperial gallon = megagram per cubic inches × 611605.157273
For a page dedicated to this direction, see Megagram per Cubic inch to Pound per Imperial gallon.
Understanding the Pound per Imperial gallon (lb/imp gal)
Mass per volume density.
Understanding the Megagram per Cubic inch (Mg/in3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many megagram per cubic inches are in 1 pound per imperial gallon?
1 pound per imperial gallon equals 0.000001635 megagram per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert pound per imperial gallon to megagram per cubic inch?
Multiply the pound per imperial gallon value by 0.000001635041805. The converter above does this instantly to whatever precision you set.
How do I convert megagram per cubic inch back to pound per imperial gallon?
Use the reverse factor: 1 megagram per cubic inch equals 611,605.1573 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 megagram per cubic inch?
Megagram per Cubic inch (Mg/in3) is a unit of density.
Is the pound per imperial gallon to megagram per cubic inch conversion exact?
Yes. Both pound per imperial gallon and megagram per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 0.000001635041805 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.