Mass per volume density.
Grains per Pint to Imperial hundredweights per Cup Converter — gr/pt to long cwt/cup
Convert Grain per Pint (gr/pt) to Imperial hundredweight per Cup (long cwt/cup) using the exact conversion factor (1 grain per pint = 6.377551e-7 imperial hundredweight per cup). See the formula, worked examples, and conversion table.
Grains per Pint to Imperial hundredweights per Cup 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 0.1369444884 / 214728.9578.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Pint to Imperial hundredweights per Cup
Grain per Pint and Imperial hundredweight per Cup 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 cup = grains per pint × 6.377551e-7
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per pint equals 0.136944488362 base units, and 1 imperial hundredweight per cup equals 214728.957752 base units, so dividing one by the other gives the direct grain per pint-to-imperial hundredweight per cup factor of 6.377551e-7.
Simple example
1 gr/pt × 6.377551e-7 = 6.377551e-7 long cwt/cup
1 grain per pint = 6.377551e-7 imperial hundredweights per cup.
Real-world example
1,000 gr/pt × 6.377551e-7 = 0.0006377551 long cwt/cup
1,000 grains per pint = 0.0006377551 imperial hundredweights per cup.
Conversion table
| Grain per Pint (gr/pt) | Imperial hundredweight per Cup (long cwt/cup) |
|---|---|
| 0.1 gr/pt | 6.377551e-8 long cwt/cup |
| 1 gr/pt | 6.377551e-7 long cwt/cup |
| 10 gr/pt | 0.0000063776 long cwt/cup |
| 100 gr/pt | 0.0000637755 long cwt/cup |
| 1,000 gr/pt | 0.0006377551 long cwt/cup |
| 10,000 gr/pt | 0.006377551 long cwt/cup |
Reverse conversion: Imperial hundredweight per Cup to Grain per Pint
6.377551e-7 long cwt/cup × 1568000 = 0.9999999968 gr/pt
6.377551e-7 imperial hundredweights per cup = 0.9999999968 grains per pint.
grains per pint = imperial hundredweights per cup × 1568000
For a page dedicated to this direction, see Imperial hundredweight per Cup to Grain per Pint.
Understanding the Grain per Pint (gr/pt)
Mass per volume density.
Understanding the Imperial hundredweight per Cup (long cwt/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many imperial hundredweights per cup are in 1 grain per pint?
1 grain per pint equals 6.377551e-7 imperial hundredweights per cup, using the exact defined conversion factor rather than an estimate.
How do I convert grain per pint to imperial hundredweight per cup?
Multiply the grain per pint value by 6.377551e-7. The converter above does this instantly to whatever precision you set.
How do I convert imperial hundredweight per cup back to grain per pint?
Use the reverse factor: 1 imperial hundredweight per cup equals 1,568,000 grains per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per pint?
Grain per Pint (gr/pt) is a unit of density.
What is a imperial hundredweight per cup?
Imperial hundredweight per Cup (long cwt/cup) is a unit of density.
Is the grain per pint to imperial hundredweight per cup conversion exact?
Yes. Both grain per pint and imperial hundredweight per cup are defined by fixed standards rather than physical artifacts, so the factor of 6.377551e-7 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.