Mass per volume density.
Grain per Cubic inches to Long tons per Cubic yard Converter — gr/in3 to long ton/yd3
Convert Grain per Cubic inch (gr/in3) to Long ton per Cubic yard (long ton/yd3) using the exact conversion factor (1 grain per cubic inch = 0.0029755102 long ton per cubic yard). See the formula, worked examples, and conversion table.
Grain per Cubic inches to Long tons per Cubic yard 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 3.954272101 / 1328.939184.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grain per Cubic inches to Long tons per Cubic yard
Grain per Cubic inch and Long ton per Cubic yard 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
long tons per cubic yard = grain per cubic inches × 0.00297551020408
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per cubic inch equals 3.95427210146 base units, and 1 long ton per cubic yard equals 1328.93918362 base units, so dividing one by the other gives the direct grain per cubic inch-to-long ton per cubic yard factor of 0.00297551020408.
Simple example
1 gr/in3 × 0.002975510204 = 0.0029755102 long ton/yd3
1 grain per cubic inch = 0.0029755102 long tons per cubic yard.
Real-world example
1,000 gr/in3 × 0.002975510204 = 2.975510204 long ton/yd3
1,000 grain per cubic inches = 2.975510204 long tons per cubic yard.
Conversion table
| Grain per Cubic inch (gr/in3) | Long ton per Cubic yard (long ton/yd3) |
|---|---|
| 0.1 gr/in3 | 0.000297551 long ton/yd3 |
| 1 gr/in3 | 0.0029755102 long ton/yd3 |
| 10 gr/in3 | 0.029755102 long ton/yd3 |
| 100 gr/in3 | 0.2975510204 long ton/yd3 |
| 1,000 gr/in3 | 2.975510204 long ton/yd3 |
| 10,000 gr/in3 | 29.75510204 long ton/yd3 |
Reverse conversion: Long ton per Cubic yard to Grain per Cubic inch
0.0029755102 long ton/yd3 × 336.0768176 = 0.9999999986 gr/in3
0.0029755102 long tons per cubic yard = 0.9999999986 grain per cubic inches.
grain per cubic inches = long tons per cubic yard × 336.076817558
For a page dedicated to this direction, see Long ton per Cubic yard to Grain per Cubic inch.
Understanding the Grain per Cubic inch (gr/in3)
Mass per volume density.
Understanding the Long ton per Cubic yard (long ton/yd3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many long tons per cubic yard are in 1 grain per cubic inch?
1 grain per cubic inch equals 0.0029755102 long tons per cubic yard, using the exact defined conversion factor rather than an estimate.
How do I convert grain per cubic inch to long ton per cubic yard?
Multiply the grain per cubic inch value by 0.002975510204. The converter above does this instantly to whatever precision you set.
How do I convert long ton per cubic yard back to grain per cubic inch?
Use the reverse factor: 1 long ton per cubic yard equals 336.0768176 grain per cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per cubic inch?
Grain per Cubic inch (gr/in3) is a unit of density.
What is a long ton per cubic yard?
Long ton per Cubic yard (long ton/yd3) is a unit of density.
Is the grain per cubic inch to long ton per cubic yard conversion exact?
Yes. Both grain per cubic inch and long ton per cubic yard are defined by fixed standards rather than physical artifacts, so the factor of 0.002975510204 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.