Mass per volume density.
Grains per Teaspoon to Carats per Tablespoon Converter — gr/tsp to ct/tbsp
Convert Grain per Teaspoon (gr/tsp) to Carat per Tablespoon (ct/tbsp) using the exact conversion factor (1 grain per teaspoon = 0.97198365 carat per tablespoon). See the formula, worked examples, and conversion table.
Grains per Teaspoon to Carats per Tablespoon 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 13.14667088 / 13.52560908.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Teaspoon to Carats per Tablespoon
Grain per Teaspoon and Carat per Tablespoon 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 tablespoon = grains per teaspoon × 0.97198365
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per teaspoon equals 13.1466708828 base units, and 1 carat per tablespoon equals 13.5256090807 base units, so dividing one by the other gives the direct grain per teaspoon-to-carat per tablespoon factor of 0.97198365.
Simple example
1 gr/tsp × 0.97198365 = 0.97198365 ct/tbsp
1 grain per teaspoon = 0.97198365 carats per tablespoon.
Real-world example
1,000 gr/tsp × 0.97198365 = 971.98365 ct/tbsp
1,000 grains per teaspoon = 971.98365 carats per tablespoon.
Conversion table
| Grain per Teaspoon (gr/tsp) | Carat per Tablespoon (ct/tbsp) |
|---|---|
| 0.1 gr/tsp | 0.097198365 ct/tbsp |
| 1 gr/tsp | 0.97198365 ct/tbsp |
| 10 gr/tsp | 9.7198365 ct/tbsp |
| 100 gr/tsp | 97.198365 ct/tbsp |
| 1,000 gr/tsp | 971.98365 ct/tbsp |
| 10,000 gr/tsp | 9,719.8365 ct/tbsp |
Reverse conversion: Carat per Tablespoon to Grain per Teaspoon
0.97198365 ct/tbsp × 1.02882389 = 1 gr/tsp
0.97198365 carats per tablespoon = 1 grains per teaspoon.
grains per teaspoon = carats per tablespoon × 1.0288238902
For a page dedicated to this direction, see Carat per Tablespoon to Grain per Teaspoon.
Understanding the Grain per Teaspoon (gr/tsp)
Mass per volume density.
Understanding the Carat per Tablespoon (ct/tbsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many carats per tablespoon are in 1 grain per teaspoon?
1 grain per teaspoon equals 0.97198365 carats per tablespoon, using the exact defined conversion factor rather than an estimate.
How do I convert grain per teaspoon to carat per tablespoon?
Multiply the grain per teaspoon value by 0.97198365. The converter above does this instantly to whatever precision you set.
How do I convert carat per tablespoon back to grain per teaspoon?
Use the reverse factor: 1 carat per tablespoon equals 1.02882389 grains per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per teaspoon?
Grain per Teaspoon (gr/tsp) is a unit of density.
What is a carat per tablespoon?
Carat per Tablespoon (ct/tbsp) is a unit of density.
Is the grain per teaspoon to carat per tablespoon conversion exact?
Yes. Both grain per teaspoon and carat per tablespoon are defined by fixed standards rather than physical artifacts, so the factor of 0.97198365 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.