Mass per volume density.
Carats per Gallon to Grains per Cubic Meter Converter — ct/gal to gr/m3
Convert Carat per Gallon (ct/gal) to Grain per Cubic Meter (gr/m3) using the exact conversion factor (1 carat per gallon = 815.3595558 grain per cubic meter). See the formula, worked examples, and conversion table.
Carats per Gallon to Grains per Cubic Meter 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 0.05283441047 / 6.479891e-5.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carats per Gallon to Grains per Cubic Meter
Carat per Gallon and Grain per Cubic Meter 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 cubic meter = carats per gallon × 815.359555765
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per gallon equals 0.0528344104716 base units, and 1 grain per cubic meter equals 0.00006479891 base units, so dividing one by the other gives the direct carat per gallon-to-grain per cubic meter factor of 815.359555765.
Simple example
1 ct/gal × 815.3595558 = 815.3595558 gr/m3
1 carat per gallon = 815.3595558 grains per cubic meter.
Real-world example
1,000 ct/gal × 815.3595558 = 815,359.5558 gr/m3
1,000 carats per gallon = 815,359.5558 grains per cubic meter.
Conversion table
| Carat per Gallon (ct/gal) | Grain per Cubic Meter (gr/m3) |
|---|---|
| 0.1 ct/gal | 81.53595558 gr/m3 |
| 1 ct/gal | 815.3595558 gr/m3 |
| 10 ct/gal | 8,153.595558 gr/m3 |
| 100 ct/gal | 81,535.95558 gr/m3 |
| 1,000 ct/gal | 815,359.5558 gr/m3 |
| 10,000 ct/gal | 8,153,595.558 gr/m3 |
Reverse conversion: Grain per Cubic Meter to Carat per Gallon
815.3595558 gr/m3 × 0.001226452788 = 1 ct/gal
815.3595558 grains per cubic meter = 1 carats per gallon.
carats per gallon = grains per cubic meter × 0.00122645278752
For a page dedicated to this direction, see Grain per Cubic Meter to Carat per Gallon.
Understanding the Carat per Gallon (ct/gal)
Mass per volume density.
Understanding the Grain per Cubic Meter (gr/m3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per cubic meter are in 1 carat per gallon?
1 carat per gallon equals 815.3595558 grains per cubic meter, using the exact defined conversion factor rather than an estimate.
How do I convert carat per gallon to grain per cubic meter?
Multiply the carat per gallon value by 815.3595558. The converter above does this instantly to whatever precision you set.
How do I convert grain per cubic meter back to carat per gallon?
Use the reverse factor: 1 grain per cubic meter equals 0.0012264528 carats per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per gallon?
Carat per Gallon (ct/gal) is a unit of density.
What is a grain per cubic meter?
Grain per Cubic Meter (gr/m3) is a unit of density.
Is the carat per gallon to grain per cubic meter conversion exact?
Yes. Both carat per gallon and grain per cubic meter are defined by fixed standards rather than physical artifacts, so the factor of 815.3595558 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.