Mass per volume density.
Short tons per Teaspoon to Grains per Cup Converter — ton/tsp to gr/cup
Convert Short ton per Teaspoon (ton/tsp) to Grain per Cup (gr/cup) using the exact conversion factor (1 short ton per teaspoon = 672,000,000 grain per cup). See the formula, worked examples, and conversion table.
Short tons per Teaspoon to Grains per Cup 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 1.84053392e+8 / 0.2738889767.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Short tons per Teaspoon to Grains per Cup
Short ton per Teaspoon and Grain per Cup 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 cup = short tons per teaspoon × 672000000
This factor comes from each unit's defined relationship to the category's base unit: 1 short ton per teaspoon equals 184053392.359 base units, and 1 grain per cup equals 0.273888976724 base units, so dividing one by the other gives the direct short ton per teaspoon-to-grain per cup factor of 672000000.
Simple example
1 ton/tsp × 672000000 = 672,000,000 gr/cup
1 short ton per teaspoon = 672,000,000 grains per cup.
Real-world example
1,000 ton/tsp × 672000000 = 672,000,000,000 gr/cup
1,000 short tons per teaspoon = 672,000,000,000 grains per cup.
Conversion table
| Short ton per Teaspoon (ton/tsp) | Grain per Cup (gr/cup) |
|---|---|
| 0.1 ton/tsp | 67,200,000 gr/cup |
| 1 ton/tsp | 672,000,000 gr/cup |
| 10 ton/tsp | 6,720,000,000 gr/cup |
| 100 ton/tsp | 67,200,000,000 gr/cup |
| 1,000 ton/tsp | 672,000,000,000 gr/cup |
| 10,000 ton/tsp | 6.72e+12 gr/cup |
Reverse conversion: Grain per Cup to Short ton per Teaspoon
1 gr/cup × 1.488095e-9 = 1.488095e-9 ton/tsp
1 grain per cup = 1.488095e-9 short tons per teaspoon.
short tons per teaspoon = grains per cup × 1.488095e-9
For a page dedicated to this direction, see Grain per Cup to Short ton per Teaspoon.
Understanding the Short ton per Teaspoon (ton/tsp)
Mass per volume density.
Understanding the Grain per Cup (gr/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per cup are in 1 short ton per teaspoon?
1 short ton per teaspoon equals 672,000,000 grains per cup, using the exact defined conversion factor rather than an estimate.
How do I convert short ton per teaspoon to grain per cup?
Multiply the short ton per teaspoon value by 672000000. The converter above does this instantly to whatever precision you set.
How do I convert grain per cup back to short ton per teaspoon?
Use the reverse factor: 1 grain per cup equals 1.488095e-9 short tons per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a short ton per teaspoon?
Short ton per Teaspoon (ton/tsp) is a unit of density.
What is a grain per cup?
Grain per Cup (gr/cup) is a unit of density.
Is the short ton per teaspoon to grain per cup conversion exact?
Yes. Both short ton per teaspoon and grain per cup are defined by fixed standards rather than physical artifacts, so the factor of 672000000 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.