Mass per volume density.
Ounces per Pint to Grains per Gallon Converter — oz/pt to gr/gal
Convert Ounce per Pint (oz/pt) to Grain per Gallon (gr/gal) using the exact conversion factor (1 ounce per pint = 3,500 grain per gallon). See the formula, worked examples, and conversion table.
Ounces per Pint to Grains 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 59.91321366 / 0.01711806105.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Pint to Grains per Gallon
Ounce per Pint and Grain 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
grains per gallon = ounces per pint × 3500
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per pint equals 59.9132136584 base units, and 1 grain per gallon equals 0.0171180610453 base units, so dividing one by the other gives the direct ounce per pint-to-grain per gallon factor of 3500.
Simple example
1 oz/pt × 3500 = 3,500 gr/gal
1 ounce per pint = 3,500 grains per gallon.
Real-world example
1,000 oz/pt × 3500 = 3,500,000 gr/gal
1,000 ounces per pint = 3,500,000 grains per gallon.
Conversion table
| Ounce per Pint (oz/pt) | Grain per Gallon (gr/gal) |
|---|---|
| 0.1 oz/pt | 350 gr/gal |
| 1 oz/pt | 3,500 gr/gal |
| 10 oz/pt | 35,000 gr/gal |
| 100 oz/pt | 350,000 gr/gal |
| 1,000 oz/pt | 3,500,000 gr/gal |
| 10,000 oz/pt | 35,000,000 gr/gal |
Reverse conversion: Grain per Gallon to Ounce per Pint
1 gr/gal × 0.0002857142857 = 0.0002857143 oz/pt
1 grain per gallon = 0.0002857143 ounces per pint.
ounces per pint = grains per gallon × 0.000285714285714
For a page dedicated to this direction, see Grain per Gallon to Ounce per Pint.
Understanding the Ounce per Pint (oz/pt)
Mass per volume density.
Understanding the Grain per Gallon (gr/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per gallon are in 1 ounce per pint?
1 ounce per pint equals 3,500 grains per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per pint to grain per gallon?
Multiply the ounce per pint value by 3500. The converter above does this instantly to whatever precision you set.
How do I convert grain per gallon back to ounce per pint?
Use the reverse factor: 1 grain per gallon equals 0.0002857143 ounces per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per pint?
Ounce per Pint (oz/pt) is a unit of density.
What is a grain per gallon?
Grain per Gallon (gr/gal) is a unit of density.
Is the ounce per pint to grain per gallon conversion exact?
Yes. Both ounce per pint and grain per gallon are defined by fixed standards rather than physical artifacts, so the factor of 3500 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.