Mass per volume density.
Pounds per Cubic Meter to Imperial hundredweights per Gallon Converter — lb/m3 to long cwt/gal
Convert Pound per Cubic Meter (lb/m3) to Imperial hundredweight per Gallon (long cwt/gal) using the exact conversion factor (1 pound per cubic meter = 0.0000337983 imperial hundredweight per gallon). See the formula, worked examples, and conversion table.
Pounds per Cubic Meter to Imperial hundredweights 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 0.45359237 / 13420.55986.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Cubic Meter to Imperial hundredweights per Gallon
Pound per Cubic Meter and Imperial hundredweight 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
imperial hundredweights per gallon = pounds per cubic meter × 0.0000337983195
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per cubic meter equals 0.45359237 base units, and 1 imperial hundredweight per gallon equals 13420.5598595 base units, so dividing one by the other gives the direct pound per cubic meter-to-imperial hundredweight per gallon factor of 0.0000337983195.
Simple example
1 lb/m3 × 0.0000337983195 = 0.0000337983 long cwt/gal
1 pound per cubic meter = 0.0000337983 imperial hundredweights per gallon.
Real-world example
1,000 lb/m3 × 0.0000337983195 = 0.0337983195 long cwt/gal
1,000 pounds per cubic meter = 0.0337983195 imperial hundredweights per gallon.
Conversion table
| Pound per Cubic Meter (lb/m3) | Imperial hundredweight per Gallon (long cwt/gal) |
|---|---|
| 0.1 lb/m3 | 0.0000033798 long cwt/gal |
| 1 lb/m3 | 0.0000337983 long cwt/gal |
| 10 lb/m3 | 0.0003379832 long cwt/gal |
| 100 lb/m3 | 0.003379832 long cwt/gal |
| 1,000 lb/m3 | 0.0337983195 long cwt/gal |
| 10,000 lb/m3 | 0.337983195 long cwt/gal |
Reverse conversion: Imperial hundredweight per Gallon to Pound per Cubic Meter
0.0000337983 long cwt/gal × 29587.26986 = 0.999999423 lb/m3
0.0000337983 imperial hundredweights per gallon = 0.999999423 pounds per cubic meter.
pounds per cubic meter = imperial hundredweights per gallon × 29587.2698641
For a page dedicated to this direction, see Imperial hundredweight per Gallon to Pound per Cubic Meter.
Understanding the Pound per Cubic Meter (lb/m3)
Mass per volume density.
Understanding the Imperial hundredweight per Gallon (long cwt/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many imperial hundredweights per gallon are in 1 pound per cubic meter?
1 pound per cubic meter equals 0.0000337983 imperial hundredweights per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cubic meter to imperial hundredweight per gallon?
Multiply the pound per cubic meter value by 0.0000337983195. The converter above does this instantly to whatever precision you set.
How do I convert imperial hundredweight per gallon back to pound per cubic meter?
Use the reverse factor: 1 imperial hundredweight per gallon equals 29,587.26986 pounds per cubic meter. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per cubic meter?
Pound per Cubic Meter (lb/m3) is a unit of density.
What is a imperial hundredweight per gallon?
Imperial hundredweight per Gallon (long cwt/gal) is a unit of density.
Is the pound per cubic meter to imperial hundredweight per gallon conversion exact?
Yes. Both pound per cubic meter and imperial hundredweight per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.0000337983195 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.