Mass per volume density.
Grams per Teaspoon to Grain per Cubic inches Converter — g/tsp to gr/in3
Convert Gram per Teaspoon (g/tsp) to Grain per Cubic inch (gr/in3) using the exact conversion factor (1 gram per teaspoon = 51.30758102 grain per cubic inch). See the formula, worked examples, and conversion table.
Grams per Teaspoon to Grain per Cubic inches 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 202.8841362 / 3.954272101.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grams per Teaspoon to Grain per Cubic inches
Gram per Teaspoon and Grain per Cubic inch 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
grain per cubic inches = grams per teaspoon × 51.3075810176
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per teaspoon equals 202.884136211 base units, and 1 grain per cubic inch equals 3.95427210146 base units, so dividing one by the other gives the direct gram per teaspoon-to-grain per cubic inch factor of 51.3075810176.
Simple example
1 g/tsp × 51.30758102 = 51.30758102 gr/in3
1 gram per teaspoon = 51.30758102 grain per cubic inches.
Real-world example
1,000 g/tsp × 51.30758102 = 51,307.58102 gr/in3
1,000 grams per teaspoon = 51,307.58102 grain per cubic inches.
Conversion table
| Gram per Teaspoon (g/tsp) | Grain per Cubic inch (gr/in3) |
|---|---|
| 0.1 g/tsp | 5.130758102 gr/in3 |
| 1 g/tsp | 51.30758102 gr/in3 |
| 10 g/tsp | 513.0758102 gr/in3 |
| 100 g/tsp | 5,130.758102 gr/in3 |
| 1,000 g/tsp | 51,307.58102 gr/in3 |
| 10,000 g/tsp | 513,075.8102 gr/in3 |
Reverse conversion: Grain per Cubic inch to Gram per Teaspoon
51.30758102 gr/in3 × 0.01949029715 = 1 g/tsp
51.30758102 grain per cubic inches = 1 grams per teaspoon.
grams per teaspoon = grain per cubic inches × 0.0194902971484
For a page dedicated to this direction, see Grain per Cubic inch to Gram per Teaspoon.
Understanding the Gram per Teaspoon (g/tsp)
Mass per volume density.
Understanding the Grain per Cubic inch (gr/in3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grain per cubic inches are in 1 gram per teaspoon?
1 gram per teaspoon equals 51.30758102 grain per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert gram per teaspoon to grain per cubic inch?
Multiply the gram per teaspoon value by 51.30758102. The converter above does this instantly to whatever precision you set.
How do I convert grain per cubic inch back to gram per teaspoon?
Use the reverse factor: 1 grain per cubic inch equals 0.0194902972 grams per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per teaspoon?
Gram per Teaspoon (g/tsp) is a unit of density.
What is a grain per cubic inch?
Grain per Cubic inch (gr/in3) is a unit of density.
Is the gram per teaspoon to grain per cubic inch conversion exact?
Yes. Both gram per teaspoon and grain per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 51.30758102 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.