Mass per volume density.
Grains per Fluid ounce to Carats per Milliliter Converter — gr/fl oz to ct/mL
Convert Grain per Fluid ounce (gr/fl oz) to Carat per Milliliter (ct/mL) using the exact conversion factor (1 grain per fluid ounce = 0.0109555591 carat per milliliter). See the formula, worked examples, and conversion table.
Grains per Fluid ounce to Carats per Milliliter 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 2.191111814 / 200.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Fluid ounce to Carats per Milliliter
Grain per Fluid ounce and Carat per Milliliter 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 milliliter = grains per fluid ounce × 0.010955559069
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per fluid ounce equals 2.19111181379 base units, and 1 carat per milliliter equals 200 base units, so dividing one by the other gives the direct grain per fluid ounce-to-carat per milliliter factor of 0.010955559069.
Simple example
1 gr/fl oz × 0.01095555907 = 0.0109555591 ct/mL
1 grain per fluid ounce = 0.0109555591 carats per milliliter.
Real-world example
1,000 gr/fl oz × 0.01095555907 = 10.95555907 ct/mL
1,000 grains per fluid ounce = 10.95555907 carats per milliliter.
Conversion table
| Grain per Fluid ounce (gr/fl oz) | Carat per Milliliter (ct/mL) |
|---|---|
| 0.1 gr/fl oz | 0.0010955559 ct/mL |
| 1 gr/fl oz | 0.0109555591 ct/mL |
| 10 gr/fl oz | 0.1095555907 ct/mL |
| 100 gr/fl oz | 1.095555907 ct/mL |
| 1,000 gr/fl oz | 10.95555907 ct/mL |
| 10,000 gr/fl oz | 109.5555907 ct/mL |
Reverse conversion: Carat per Milliliter to Grain per Fluid ounce
0.0109555591 ct/mL × 91.27786119 = 1.000000003 gr/fl oz
0.0109555591 carats per milliliter = 1.000000003 grains per fluid ounce.
grains per fluid ounce = carats per milliliter × 91.277861194
For a page dedicated to this direction, see Carat per Milliliter to Grain per Fluid ounce.
Understanding the Grain per Fluid ounce (gr/fl oz)
Mass per volume density.
Understanding the Carat per Milliliter (ct/mL)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many carats per milliliter are in 1 grain per fluid ounce?
1 grain per fluid ounce equals 0.0109555591 carats per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert grain per fluid ounce to carat per milliliter?
Multiply the grain per fluid ounce value by 0.01095555907. The converter above does this instantly to whatever precision you set.
How do I convert carat per milliliter back to grain per fluid ounce?
Use the reverse factor: 1 carat per milliliter equals 91.27786119 grains per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per fluid ounce?
Grain per Fluid ounce (gr/fl oz) is a unit of density.
What is a carat per milliliter?
Carat per Milliliter (ct/mL) is a unit of density.
Is the grain per fluid ounce to carat per milliliter conversion exact?
Yes. Both grain per fluid ounce and carat per milliliter are defined by fixed standards rather than physical artifacts, so the factor of 0.01095555907 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.