Mass per volume density.
Drams per Teaspoon to Grains per Cubic foot Converter — dr/tsp to gr/ft3
Convert Dram per Teaspoon (dr/tsp) to Grain per Cubic foot (gr/ft3) using the exact conversion factor (1 dram per teaspoon = 157,090.9091 grain per cubic foot). See the formula, worked examples, and conversion table.
Drams per Teaspoon to Grains per Cubic foot 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 359.479282 / 0.002288351911.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Teaspoon to Grains per Cubic foot
Dram per Teaspoon and Grain per Cubic foot 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 cubic foot = drams per teaspoon × 157090.909091
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per teaspoon equals 359.479281951 base units, and 1 grain per cubic foot equals 0.00228835191057 base units, so dividing one by the other gives the direct dram per teaspoon-to-grain per cubic foot factor of 157090.909091.
Simple example
1 dr/tsp × 157090.9091 = 157,090.9091 gr/ft3
1 dram per teaspoon = 157,090.9091 grains per cubic foot.
Real-world example
1,000 dr/tsp × 157090.9091 = 157,090,909.1 gr/ft3
1,000 drams per teaspoon = 157,090,909.1 grains per cubic foot.
Conversion table
| Dram per Teaspoon (dr/tsp) | Grain per Cubic foot (gr/ft3) |
|---|---|
| 0.1 dr/tsp | 15,709.09091 gr/ft3 |
| 1 dr/tsp | 157,090.9091 gr/ft3 |
| 10 dr/tsp | 1,570,909.091 gr/ft3 |
| 100 dr/tsp | 15,709,090.91 gr/ft3 |
| 1,000 dr/tsp | 157,090,909.1 gr/ft3 |
| 10,000 dr/tsp | 1,570,909,091 gr/ft3 |
Reverse conversion: Grain per Cubic foot to Dram per Teaspoon
1 gr/ft3 × 0.000006365740741 = 0.0000063657 dr/tsp
1 grain per cubic foot = 0.0000063657 drams per teaspoon.
drams per teaspoon = grains per cubic foot × 0.00000636574074074
For a page dedicated to this direction, see Grain per Cubic foot to Dram per Teaspoon.
Understanding the Dram per Teaspoon (dr/tsp)
Mass per volume density.
Understanding the Grain per Cubic foot (gr/ft3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per cubic foot are in 1 dram per teaspoon?
1 dram per teaspoon equals 157,090.9091 grains per cubic foot, using the exact defined conversion factor rather than an estimate.
How do I convert dram per teaspoon to grain per cubic foot?
Multiply the dram per teaspoon value by 157090.9091. The converter above does this instantly to whatever precision you set.
How do I convert grain per cubic foot back to dram per teaspoon?
Use the reverse factor: 1 grain per cubic foot equals 0.0000063657 drams per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per teaspoon?
Dram per Teaspoon (dr/tsp) is a unit of density.
What is a grain per cubic foot?
Grain per Cubic foot (gr/ft3) is a unit of density.
Is the dram per teaspoon to grain per cubic foot conversion exact?
Yes. Both dram per teaspoon and grain per cubic foot are defined by fixed standards rather than physical artifacts, so the factor of 157090.9091 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.