Mass per volume density.
Grains per Cup to Pounds per Pint Converter — gr/cup to lb/pt
Convert Grain per Cup (gr/cup) to Pound per Pint (lb/pt) using the exact conversion factor (1 grain per cup = 0.0002857143 pound per pint). See the formula, worked examples, and conversion table.
Grains per Cup to Pounds per Pint 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 0.2738889767 / 958.6114185.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Cup to Pounds per Pint
Grain per Cup and Pound per Pint 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
pounds per pint = grains per cup × 0.000285714285714
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per cup equals 0.273888976724 base units, and 1 pound per pint equals 958.611418535 base units, so dividing one by the other gives the direct grain per cup-to-pound per pint factor of 0.000285714285714.
Simple example
1 gr/cup × 0.0002857142857 = 0.0002857143 lb/pt
1 grain per cup = 0.0002857143 pounds per pint.
Real-world example
1,000 gr/cup × 0.0002857142857 = 0.2857142857 lb/pt
1,000 grains per cup = 0.2857142857 pounds per pint.
Conversion table
| Grain per Cup (gr/cup) | Pound per Pint (lb/pt) |
|---|---|
| 0.1 gr/cup | 0.0000285714 lb/pt |
| 1 gr/cup | 0.0002857143 lb/pt |
| 10 gr/cup | 0.0028571429 lb/pt |
| 100 gr/cup | 0.0285714286 lb/pt |
| 1,000 gr/cup | 0.2857142857 lb/pt |
| 10,000 gr/cup | 2.857142857 lb/pt |
Reverse conversion: Pound per Pint to Grain per Cup
0.0002857143 lb/pt × 3500 = 1.00000005 gr/cup
0.0002857143 pounds per pint = 1.00000005 grains per cup.
grains per cup = pounds per pint × 3500
For a page dedicated to this direction, see Pound per Pint to Grain per Cup.
Understanding the Grain per Cup (gr/cup)
Mass per volume density.
Understanding the Pound per Pint (lb/pt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per pint are in 1 grain per cup?
1 grain per cup equals 0.0002857143 pounds per pint, using the exact defined conversion factor rather than an estimate.
How do I convert grain per cup to pound per pint?
Multiply the grain per cup value by 0.0002857142857. The converter above does this instantly to whatever precision you set.
How do I convert pound per pint back to grain per cup?
Use the reverse factor: 1 pound per pint equals 3,500 grains per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per cup?
Grain per Cup (gr/cup) is a unit of density.
What is a pound per pint?
Pound per Pint (lb/pt) is a unit of density.
Is the grain per cup to pound per pint conversion exact?
Yes. Both grain per cup and pound per pint are defined by fixed standards rather than physical artifacts, so the factor of 0.0002857142857 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.