Mass per volume density.
Grams per Quart to Grains per Gallon Converter — g/qt to gr/gal
Convert Gram per Quart (g/qt) to Grain per Gallon (gr/gal) using the exact conversion factor (1 gram per quart = 61.72943341 grain per gallon). See the formula, worked examples, and conversion table.
Grams per Quart 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 1.056688209 / 0.01711806105.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grams per Quart to Grains per Gallon
Gram per Quart 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 = grams per quart × 61.7294334118
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per quart equals 1.05668820943 base units, and 1 grain per gallon equals 0.0171180610453 base units, so dividing one by the other gives the direct gram per quart-to-grain per gallon factor of 61.7294334118.
Simple example
1 g/qt × 61.72943341 = 61.72943341 gr/gal
1 gram per quart = 61.72943341 grains per gallon.
Real-world example
1,000 g/qt × 61.72943341 = 61,729.43341 gr/gal
1,000 grams per quart = 61,729.43341 grains per gallon.
Conversion table
| Gram per Quart (g/qt) | Grain per Gallon (gr/gal) |
|---|---|
| 0.1 g/qt | 6.172943341 gr/gal |
| 1 g/qt | 61.72943341 gr/gal |
| 10 g/qt | 617.2943341 gr/gal |
| 100 g/qt | 6,172.943341 gr/gal |
| 1,000 g/qt | 61,729.43341 gr/gal |
| 10,000 g/qt | 617,294.3341 gr/gal |
Reverse conversion: Grain per Gallon to Gram per Quart
61.72943341 gr/gal × 0.0161997275 = 1 g/qt
61.72943341 grains per gallon = 1 grams per quart.
grams per quart = grains per gallon × 0.0161997275
For a page dedicated to this direction, see Grain per Gallon to Gram per Quart.
Understanding the Gram per Quart (g/qt)
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 gram per quart?
1 gram per quart equals 61.72943341 grains per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert gram per quart to grain per gallon?
Multiply the gram per quart value by 61.72943341. The converter above does this instantly to whatever precision you set.
How do I convert grain per gallon back to gram per quart?
Use the reverse factor: 1 grain per gallon equals 0.0161997275 grams per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per quart?
Gram per Quart (g/qt) is a unit of density.
What is a grain per gallon?
Grain per Gallon (gr/gal) is a unit of density.
Is the gram per quart to grain per gallon conversion exact?
Yes. Both gram per quart and grain per gallon are defined by fixed standards rather than physical artifacts, so the factor of 61.72943341 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.