Mass per volume density.
Carats per Tablespoon to Grains per Liter Converter — ct/tbsp to gr/L
Convert Carat per Tablespoon (ct/tbsp) to Grain per Liter (gr/L) using the exact conversion factor (1 carat per tablespoon = 208.7320463 grain per liter). See the formula, worked examples, and conversion table.
Carats per Tablespoon to Grains per Liter 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 / 0.06479891.
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 Liter
Carat per Tablespoon and Grain per Liter 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 liter = carats per tablespoon × 208.732046276
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 liter equals 0.06479891 base units, so dividing one by the other gives the direct carat per tablespoon-to-grain per liter factor of 208.732046276.
Simple example
1 ct/tbsp × 208.7320463 = 208.7320463 gr/L
1 carat per tablespoon = 208.7320463 grains per liter.
Real-world example
1,000 ct/tbsp × 208.7320463 = 208,732.0463 gr/L
1,000 carats per tablespoon = 208,732.0463 grains per liter.
Conversion table
| Carat per Tablespoon (ct/tbsp) | Grain per Liter (gr/L) |
|---|---|
| 0.1 ct/tbsp | 20.87320463 gr/L |
| 1 ct/tbsp | 208.7320463 gr/L |
| 10 ct/tbsp | 2,087.320463 gr/L |
| 100 ct/tbsp | 20,873.20463 gr/L |
| 1,000 ct/tbsp | 208,732.0463 gr/L |
| 10,000 ct/tbsp | 2,087,320.463 gr/L |
Reverse conversion: Grain per Liter to Carat per Tablespoon
208.7320463 gr/L × 0.004790831201 = 1 ct/tbsp
208.7320463 grains per liter = 1 carats per tablespoon.
carats per tablespoon = grains per liter × 0.00479083120126
For a page dedicated to this direction, see Grain per Liter to Carat per Tablespoon.
Understanding the Carat per Tablespoon (ct/tbsp)
Mass per volume density.
Understanding the Grain per Liter (gr/L)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per liter are in 1 carat per tablespoon?
1 carat per tablespoon equals 208.7320463 grains per liter, using the exact defined conversion factor rather than an estimate.
How do I convert carat per tablespoon to grain per liter?
Multiply the carat per tablespoon value by 208.7320463. The converter above does this instantly to whatever precision you set.
How do I convert grain per liter back to carat per tablespoon?
Use the reverse factor: 1 grain per liter equals 0.0047908312 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 liter?
Grain per Liter (gr/L) is a unit of density.
Is the carat per tablespoon to grain per liter conversion exact?
Yes. Both carat per tablespoon and grain per liter are defined by fixed standards rather than physical artifacts, so the factor of 208.7320463 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.