Mass per volume density.
Grains per Gallon to Carats per Fluid ounce Converter — gr/gal to ct/fl oz
Convert Grain per Gallon (gr/gal) to Carat per Fluid ounce (ct/fl oz) using the exact conversion factor (1 grain per gallon = 0.0025312074 carat per fluid ounce). See the formula, worked examples, and conversion table.
Grains per Gallon to Carats per Fluid ounce 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 0.01711806105 / 6.76280454.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Gallon to Carats per Fluid ounce
Grain per Gallon and Carat per Fluid ounce 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
carats per fluid ounce = grains per gallon × 0.00253120742187
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per gallon equals 0.0171180610453 base units, and 1 carat per fluid ounce equals 6.76280454037 base units, so dividing one by the other gives the direct grain per gallon-to-carat per fluid ounce factor of 0.00253120742187.
Simple example
1 gr/gal × 0.002531207422 = 0.0025312074 ct/fl oz
1 grain per gallon = 0.0025312074 carats per fluid ounce.
Real-world example
1,000 gr/gal × 0.002531207422 = 2.531207422 ct/fl oz
1,000 grains per gallon = 2.531207422 carats per fluid ounce.
Conversion table
| Grain per Gallon (gr/gal) | Carat per Fluid ounce (ct/fl oz) |
|---|---|
| 0.1 gr/gal | 0.0002531207 ct/fl oz |
| 1 gr/gal | 0.0025312074 ct/fl oz |
| 10 gr/gal | 0.0253120742 ct/fl oz |
| 100 gr/gal | 0.2531207422 ct/fl oz |
| 1,000 gr/gal | 2.531207422 ct/fl oz |
| 10,000 gr/gal | 25.31207422 ct/fl oz |
Reverse conversion: Carat per Fluid ounce to Grain per Gallon
0.0025312074 ct/fl oz × 395.0683738 = 0.9999999914 gr/gal
0.0025312074 carats per fluid ounce = 0.9999999914 grains per gallon.
grains per gallon = carats per fluid ounce × 395.068373835
For a page dedicated to this direction, see Carat per Fluid ounce to Grain per Gallon.
Understanding the Grain per Gallon (gr/gal)
Mass per volume density.
Understanding the Carat per Fluid ounce (ct/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many carats per fluid ounce are in 1 grain per gallon?
1 grain per gallon equals 0.0025312074 carats per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert grain per gallon to carat per fluid ounce?
Multiply the grain per gallon value by 0.002531207422. The converter above does this instantly to whatever precision you set.
How do I convert carat per fluid ounce back to grain per gallon?
Use the reverse factor: 1 carat per fluid ounce equals 395.0683738 grains per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per gallon?
Grain per Gallon (gr/gal) is a unit of density.
What is a carat per fluid ounce?
Carat per Fluid ounce (ct/fl oz) is a unit of density.
Is the grain per gallon to carat per fluid ounce conversion exact?
Yes. Both grain per gallon and carat per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 0.002531207422 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.