Mass per volume density.
Stones per Gallon to US hundredweights per Imperial gallon Converter — st/gal to cwt/imp gal
Convert Stone per Gallon (st/gal) to US hundredweight per Imperial gallon (cwt/imp gal) using the exact conversion factor (1 stone per gallon = 0.1681329896 us hundredweight per imperial gallon). See the formula, worked examples, and conversion table.
Stones per Gallon to US hundredweights 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 1677.569982 / 9977.637266.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Gallon to US hundredweights per Imperial gallon
Stone per Gallon and US hundredweight 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
us hundredweights per imperial gallon = stones per gallon × 0.168132989571
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per gallon equals 1677.56998244 base units, and 1 us hundredweight per imperial gallon equals 9977.63726631 base units, so dividing one by the other gives the direct stone per gallon-to-us hundredweight per imperial gallon factor of 0.168132989571.
Simple example
1 st/gal × 0.1681329896 = 0.1681329896 cwt/imp gal
1 stone per gallon = 0.1681329896 us hundredweights per imperial gallon.
Real-world example
1,000 st/gal × 0.1681329896 = 168.1329896 cwt/imp gal
1,000 stones per gallon = 168.1329896 us hundredweights per imperial gallon.
Conversion table
| Stone per Gallon (st/gal) | US hundredweight per Imperial gallon (cwt/imp gal) |
|---|---|
| 0.1 st/gal | 0.016813299 cwt/imp gal |
| 1 st/gal | 0.1681329896 cwt/imp gal |
| 10 st/gal | 1.681329896 cwt/imp gal |
| 100 st/gal | 16.81329896 cwt/imp gal |
| 1,000 st/gal | 168.1329896 cwt/imp gal |
| 10,000 st/gal | 1,681.329896 cwt/imp gal |
Reverse conversion: US hundredweight per Imperial gallon to Stone per Gallon
0.1681329896 cwt/imp gal × 5.947672747 = 1 st/gal
0.1681329896 us hundredweights per imperial gallon = 1 stones per gallon.
stones per gallon = us hundredweights per imperial gallon × 5.94767274735
For a page dedicated to this direction, see US hundredweight per Imperial gallon to Stone per Gallon.
Understanding the Stone per Gallon (st/gal)
Mass per volume density.
Understanding the US hundredweight per Imperial gallon (cwt/imp gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many us hundredweights per imperial gallon are in 1 stone per gallon?
1 stone per gallon equals 0.1681329896 us hundredweights per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert stone per gallon to us hundredweight per imperial gallon?
Multiply the stone per gallon value by 0.1681329896. The converter above does this instantly to whatever precision you set.
How do I convert us hundredweight per imperial gallon back to stone per gallon?
Use the reverse factor: 1 us hundredweight per imperial gallon equals 5.947672747 stones per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per gallon?
Stone per Gallon (st/gal) is a unit of density.
What is a us hundredweight per imperial gallon?
US hundredweight per Imperial gallon (cwt/imp gal) is a unit of density.
Is the stone per gallon to us hundredweight per imperial gallon conversion exact?
Yes. Both stone per gallon and us hundredweight per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.1681329896 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.