Mass per volume density.
Grains per Tablespoon to Grains per Teaspoon Converter — gr/tbsp to gr/tsp
Convert Grain per Tablespoon (gr/tbsp) to Grain per Teaspoon (gr/tsp) using the exact conversion factor (1 grain per tablespoon = 0.3333333333 grain per teaspoon). See the formula, worked examples, and conversion table.
Grains per Tablespoon to Grains per Teaspoon 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 4.382223628 / 13.14667088.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Tablespoon to Grains per Teaspoon
Grain per Tablespoon and Grain per Teaspoon 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 teaspoon = grains per tablespoon × 0.333333333333
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per tablespoon equals 4.38222362759 base units, and 1 grain per teaspoon equals 13.1466708828 base units, so dividing one by the other gives the direct grain per tablespoon-to-grain per teaspoon factor of 0.333333333333.
Simple example
1 gr/tbsp × 0.3333333333 = 0.3333333333 gr/tsp
1 grain per tablespoon = 0.3333333333 grains per teaspoon.
Real-world example
1,000 gr/tbsp × 0.3333333333 = 333.3333333 gr/tsp
1,000 grains per tablespoon = 333.3333333 grains per teaspoon.
Conversion table
| Grain per Tablespoon (gr/tbsp) | Grain per Teaspoon (gr/tsp) |
|---|---|
| 0.1 gr/tbsp | 0.0333333333 gr/tsp |
| 1 gr/tbsp | 0.3333333333 gr/tsp |
| 10 gr/tbsp | 3.333333333 gr/tsp |
| 100 gr/tbsp | 33.33333333 gr/tsp |
| 1,000 gr/tbsp | 333.3333333 gr/tsp |
| 10,000 gr/tbsp | 3,333.333333 gr/tsp |
Reverse conversion: Grain per Teaspoon to Grain per Tablespoon
0.3333333333 gr/tsp × 3 = 0.9999999999 gr/tbsp
0.3333333333 grains per teaspoon = 0.9999999999 grains per tablespoon.
grains per tablespoon = grains per teaspoon × 3
For a page dedicated to this direction, see Grain per Teaspoon to Grain per Tablespoon.
Understanding the Grain per Tablespoon (gr/tbsp)
Mass per volume density.
Understanding the Grain per Teaspoon (gr/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per teaspoon are in 1 grain per tablespoon?
1 grain per tablespoon equals 0.3333333333 grains per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert grain per tablespoon to grain per teaspoon?
Multiply the grain per tablespoon value by 0.3333333333. The converter above does this instantly to whatever precision you set.
How do I convert grain per teaspoon back to grain per tablespoon?
Use the reverse factor: 1 grain per teaspoon equals 3 grains per tablespoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per tablespoon?
Grain per Tablespoon (gr/tbsp) is a unit of density.
What is a grain per teaspoon?
Grain per Teaspoon (gr/tsp) is a unit of density.
Is the grain per tablespoon to grain per teaspoon conversion exact?
Yes. Both grain per tablespoon and grain per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 0.3333333333 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.