Mass per volume density.
Carats per Tablespoon to Grains per Quart Converter — ct/tbsp to gr/qt
Convert Carat per Tablespoon (ct/tbsp) to Grain per Quart (gr/qt) using the exact conversion factor (1 carat per tablespoon = 197.5341869 grain per quart). See the formula, worked examples, and conversion table.
Carats per Tablespoon to Grains per Quart 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 13.52560908 / 0.06847224418.
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 Quart
Carat per Tablespoon and Grain per Quart 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 quart = carats per tablespoon × 197.534186918
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 quart equals 0.0684722441811 base units, so dividing one by the other gives the direct carat per tablespoon-to-grain per quart factor of 197.534186918.
Simple example
1 ct/tbsp × 197.5341869 = 197.5341869 gr/qt
1 carat per tablespoon = 197.5341869 grains per quart.
Real-world example
1,000 ct/tbsp × 197.5341869 = 197,534.1869 gr/qt
1,000 carats per tablespoon = 197,534.1869 grains per quart.
Conversion table
| Carat per Tablespoon (ct/tbsp) | Grain per Quart (gr/qt) |
|---|---|
| 0.1 ct/tbsp | 19.75341869 gr/qt |
| 1 ct/tbsp | 197.5341869 gr/qt |
| 10 ct/tbsp | 1,975.341869 gr/qt |
| 100 ct/tbsp | 19,753.41869 gr/qt |
| 1,000 ct/tbsp | 197,534.1869 gr/qt |
| 10,000 ct/tbsp | 1,975,341.869 gr/qt |
Reverse conversion: Grain per Quart to Carat per Tablespoon
197.5341869 gr/qt × 0.005062414844 = 0.9999999999 ct/tbsp
197.5341869 grains per quart = 0.9999999999 carats per tablespoon.
carats per tablespoon = grains per quart × 0.00506241484375
For a page dedicated to this direction, see Grain per Quart to Carat per Tablespoon.
Understanding the Carat per Tablespoon (ct/tbsp)
Mass per volume density.
Understanding the Grain per Quart (gr/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per quart are in 1 carat per tablespoon?
1 carat per tablespoon equals 197.5341869 grains per quart, using the exact defined conversion factor rather than an estimate.
How do I convert carat per tablespoon to grain per quart?
Multiply the carat per tablespoon value by 197.5341869. The converter above does this instantly to whatever precision you set.
How do I convert grain per quart back to carat per tablespoon?
Use the reverse factor: 1 grain per quart equals 0.0050624148 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 quart?
Grain per Quart (gr/qt) is a unit of density.
Is the carat per tablespoon to grain per quart conversion exact?
Yes. Both carat per tablespoon and grain per quart are defined by fixed standards rather than physical artifacts, so the factor of 197.5341869 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.