Mass per volume density.
Grains per Quart to Long tons per Cubic Meter Converter — gr/qt to long ton/m3
Convert Grain per Quart (gr/qt) to Long ton per Cubic Meter (long ton/m3) using the exact conversion factor (1 grain per quart = 0.0000673908 long ton per cubic meter). See the formula, worked examples, and conversion table.
Grains per Quart to Long tons per Cubic Meter 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 0.06847224418 / 1016.046909.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Quart to Long tons per Cubic Meter
Grain per Quart and Long ton per Cubic Meter 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 meter = grains per quart × 0.0000673908296832
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per quart equals 0.0684722441811 base units, and 1 long ton per cubic meter equals 1016.0469088 base units, so dividing one by the other gives the direct grain per quart-to-long ton per cubic meter factor of 0.0000673908296832.
Simple example
1 gr/qt × 0.00006739082968 = 0.0000673908 long ton/m3
1 grain per quart = 0.0000673908 long tons per cubic meter.
Real-world example
1,000 gr/qt × 0.00006739082968 = 0.0673908297 long ton/m3
1,000 grains per quart = 0.0673908297 long tons per cubic meter.
Conversion table
| Grain per Quart (gr/qt) | Long ton per Cubic Meter (long ton/m3) |
|---|---|
| 0.1 gr/qt | 0.0000067391 long ton/m3 |
| 1 gr/qt | 0.0000673908 long ton/m3 |
| 10 gr/qt | 0.0006739083 long ton/m3 |
| 100 gr/qt | 0.006739083 long ton/m3 |
| 1,000 gr/qt | 0.0673908297 long ton/m3 |
| 10,000 gr/qt | 0.6739082968 long ton/m3 |
Reverse conversion: Long ton per Cubic Meter to Grain per Quart
0.0000673908 long ton/m3 × 14838.81419 = 0.9999995595 gr/qt
0.0000673908 long tons per cubic meter = 0.9999995595 grains per quart.
grains per quart = long tons per cubic meter × 14838.8141933
For a page dedicated to this direction, see Long ton per Cubic Meter to Grain per Quart.
Understanding the Grain per Quart (gr/qt)
Mass per volume density.
Understanding the Long ton per Cubic Meter (long ton/m3)
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 meter are in 1 grain per quart?
1 grain per quart equals 0.0000673908 long tons per cubic meter, using the exact defined conversion factor rather than an estimate.
How do I convert grain per quart to long ton per cubic meter?
Multiply the grain per quart value by 0.00006739082968. The converter above does this instantly to whatever precision you set.
How do I convert long ton per cubic meter back to grain per quart?
Use the reverse factor: 1 long ton per cubic meter equals 14,838.81419 grains per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per quart?
Grain per Quart (gr/qt) is a unit of density.
What is a long ton per cubic meter?
Long ton per Cubic Meter (long ton/m3) is a unit of density.
Is the grain per quart to long ton per cubic meter conversion exact?
Yes. Both grain per quart and long ton per cubic meter are defined by fixed standards rather than physical artifacts, so the factor of 0.00006739082968 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.