Mass per volume density.
Grains per Cubic Millimeter to Carats per Pint Converter — gr/mm3 to ct/pt
Convert Grain per Cubic Millimeter (gr/mm3) to Carat per Pint (ct/pt) using the exact conversion factor (1 grain per cubic millimeter = 153,306.5984 carat per pint). See the formula, worked examples, and conversion table.
Grains per Cubic Millimeter to Carats 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 64798.91 / 0.4226752838.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Cubic Millimeter to Carats per Pint
Grain per Cubic Millimeter and Carat 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
carats per pint = grains per cubic millimeter × 153306.59844
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per cubic millimeter equals 64798.91 base units, and 1 carat per pint equals 0.422675283773 base units, so dividing one by the other gives the direct grain per cubic millimeter-to-carat per pint factor of 153306.59844.
Simple example
1 gr/mm3 × 153306.5984 = 153,306.5984 ct/pt
1 grain per cubic millimeter = 153,306.5984 carats per pint.
Real-world example
1,000 gr/mm3 × 153306.5984 = 153,306,598.4 ct/pt
1,000 grains per cubic millimeter = 153,306,598.4 carats per pint.
Conversion table
| Grain per Cubic Millimeter (gr/mm3) | Carat per Pint (ct/pt) |
|---|---|
| 0.1 gr/mm3 | 15,330.65984 ct/pt |
| 1 gr/mm3 | 153,306.5984 ct/pt |
| 10 gr/mm3 | 1,533,065.984 ct/pt |
| 100 gr/mm3 | 15,330,659.84 ct/pt |
| 1,000 gr/mm3 | 153,306,598.4 ct/pt |
| 10,000 gr/mm3 | 1,533,065,984 ct/pt |
Reverse conversion: Carat per Pint to Grain per Cubic Millimeter
1 ct/pt × 0.000006522876446 = 0.0000065229 gr/mm3
1 carat per pint = 0.0000065229 grains per cubic millimeter.
grains per cubic millimeter = carats per pint × 0.00000652287644612
For a page dedicated to this direction, see Carat per Pint to Grain per Cubic Millimeter.
Understanding the Grain per Cubic Millimeter (gr/mm3)
Mass per volume density.
Understanding the Carat per Pint (ct/pt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many carats per pint are in 1 grain per cubic millimeter?
1 grain per cubic millimeter equals 153,306.5984 carats per pint, using the exact defined conversion factor rather than an estimate.
How do I convert grain per cubic millimeter to carat per pint?
Multiply the grain per cubic millimeter value by 153306.5984. The converter above does this instantly to whatever precision you set.
How do I convert carat per pint back to grain per cubic millimeter?
Use the reverse factor: 1 carat per pint equals 0.0000065229 grains per cubic millimeter. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per cubic millimeter?
Grain per Cubic Millimeter (gr/mm3) is a unit of density.
What is a carat per pint?
Carat per Pint (ct/pt) is a unit of density.
Is the grain per cubic millimeter to carat per pint conversion exact?
Yes. Both grain per cubic millimeter and carat per pint are defined by fixed standards rather than physical artifacts, so the factor of 153306.5984 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.