Mass per volume density.
Carats per Tablespoon to Grains per Fluid ounce Converter — ct/tbsp to gr/fl oz
Convert Carat per Tablespoon (ct/tbsp) to Grain per Fluid ounce (gr/fl oz) using the exact conversion factor (1 carat per tablespoon = 6.172943341 grain per fluid ounce). See the formula, worked examples, and conversion table.
Carats per Tablespoon to Grains per Fluid ounce converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Mass per volume density.
Result = input x 13.52560908 / 2.191111814.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carats per Tablespoon to Grains per Fluid ounce
Carat per Tablespoon and Grain 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
grains per fluid ounce = carats per tablespoon × 6.17294334118
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per tablespoon equals 13.5256090807 base units, and 1 grain per fluid ounce equals 2.19111181379 base units, so dividing one by the other gives the direct carat per tablespoon-to-grain per fluid ounce factor of 6.17294334118.
Simple example
1 ct/tbsp × 6.172943341 = 6.172943341 gr/fl oz
1 carat per tablespoon = 6.172943341 grains per fluid ounce.
Real-world example
1,000 ct/tbsp × 6.172943341 = 6,172.943341 gr/fl oz
1,000 carats per tablespoon = 6,172.943341 grains per fluid ounce.
Conversion table
| Carat per Tablespoon (ct/tbsp) | Grain per Fluid ounce (gr/fl oz) |
|---|---|
| 0.1 ct/tbsp | 0.6172943341 gr/fl oz |
| 1 ct/tbsp | 6.172943341 gr/fl oz |
| 10 ct/tbsp | 61.72943341 gr/fl oz |
| 100 ct/tbsp | 617.2943341 gr/fl oz |
| 1,000 ct/tbsp | 6,172.943341 gr/fl oz |
| 10,000 ct/tbsp | 61,729.43341 gr/fl oz |
Reverse conversion: Grain per Fluid ounce to Carat per Tablespoon
6.172943341 gr/fl oz × 0.161997275 = 1 ct/tbsp
6.172943341 grains per fluid ounce = 1 carats per tablespoon.
carats per tablespoon = grains per fluid ounce × 0.161997275
For a page dedicated to this direction, see Grain per Fluid ounce to Carat per Tablespoon.
Understanding the Carat per Tablespoon (ct/tbsp)
Mass per volume density.
Understanding the Grain per Fluid ounce (gr/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per fluid ounce are in 1 carat per tablespoon?
1 carat per tablespoon equals 6.172943341 grains per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert carat per tablespoon to grain per fluid ounce?
Multiply the carat per tablespoon value by 6.172943341. The converter above does this instantly to whatever precision you set.
How do I convert grain per fluid ounce back to carat per tablespoon?
Use the reverse factor: 1 grain per fluid ounce equals 0.161997275 carats per tablespoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per tablespoon?
Carat per Tablespoon (ct/tbsp) is a unit of density.
What is a grain per fluid ounce?
Grain per Fluid ounce (gr/fl oz) is a unit of density.
Is the carat per tablespoon to grain per fluid ounce conversion exact?
Yes. Both carat per tablespoon and grain per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 6.172943341 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.