Mass per volume density.
Carats per Teaspoon to Grains per Tablespoon Converter — ct/tsp to gr/tbsp
Convert Carat per Teaspoon (ct/tsp) to Grain per Tablespoon (gr/tbsp) using the exact conversion factor (1 carat per teaspoon = 9.259415012 grain per tablespoon). See the formula, worked examples, and conversion table.
Carats per Teaspoon to Grains 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 40.57682724 / 4.382223628.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carats per Teaspoon to Grains per Tablespoon
Carat per Teaspoon and Grain 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
grains per tablespoon = carats per teaspoon × 9.25941501176
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per teaspoon equals 40.5768272422 base units, and 1 grain per tablespoon equals 4.38222362759 base units, so dividing one by the other gives the direct carat per teaspoon-to-grain per tablespoon factor of 9.25941501176.
Simple example
1 ct/tsp × 9.259415012 = 9.259415012 gr/tbsp
1 carat per teaspoon = 9.259415012 grains per tablespoon.
Real-world example
1,000 ct/tsp × 9.259415012 = 9,259.415012 gr/tbsp
1,000 carats per teaspoon = 9,259.415012 grains per tablespoon.
Conversion table
| Carat per Teaspoon (ct/tsp) | Grain per Tablespoon (gr/tbsp) |
|---|---|
| 0.1 ct/tsp | 0.9259415012 gr/tbsp |
| 1 ct/tsp | 9.259415012 gr/tbsp |
| 10 ct/tsp | 92.59415012 gr/tbsp |
| 100 ct/tsp | 925.9415012 gr/tbsp |
| 1,000 ct/tsp | 9,259.415012 gr/tbsp |
| 10,000 ct/tsp | 92,594.15012 gr/tbsp |
Reverse conversion: Grain per Tablespoon to Carat per Teaspoon
9.259415012 gr/tbsp × 0.1079981833 = 1 ct/tsp
9.259415012 grains per tablespoon = 1 carats per teaspoon.
carats per teaspoon = grains per tablespoon × 0.107998183333
For a page dedicated to this direction, see Grain per Tablespoon to Carat per Teaspoon.
Understanding the Carat per Teaspoon (ct/tsp)
Mass per volume density.
Understanding the Grain per Tablespoon (gr/tbsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per tablespoon are in 1 carat per teaspoon?
1 carat per teaspoon equals 9.259415012 grains per tablespoon, using the exact defined conversion factor rather than an estimate.
How do I convert carat per teaspoon to grain per tablespoon?
Multiply the carat per teaspoon value by 9.259415012. The converter above does this instantly to whatever precision you set.
How do I convert grain per tablespoon back to carat per teaspoon?
Use the reverse factor: 1 grain per tablespoon equals 0.1079981833 carats per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per teaspoon?
Carat per Teaspoon (ct/tsp) is a unit of density.
What is a grain per tablespoon?
Grain per Tablespoon (gr/tbsp) is a unit of density.
Is the carat per teaspoon to grain per tablespoon conversion exact?
Yes. Both carat per teaspoon and grain per tablespoon are defined by fixed standards rather than physical artifacts, so the factor of 9.259415012 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.