Mass per volume density.
Gram per Cubic inches to Grains per Cubic Meter Converter — g/in3 to gr/m3
Convert Gram per Cubic inch (g/in3) to Grain per Cubic Meter (gr/m3) using the exact conversion factor (1 gram per cubic inch = 941,740.2869 grain per cubic meter). See the formula, worked examples, and conversion table.
Gram per Cubic inches to Grains 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 61.02374409 / 6.479891e-5.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Gram per Cubic inches to Grains per Cubic Meter
Gram per Cubic inch and Grain 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
grains per cubic meter = gram per cubic inches × 941740.286908
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per cubic inch equals 61.0237440947 base units, and 1 grain per cubic meter equals 0.00006479891 base units, so dividing one by the other gives the direct gram per cubic inch-to-grain per cubic meter factor of 941740.286908.
Simple example
1 g/in3 × 941740.2869 = 941,740.2869 gr/m3
1 gram per cubic inch = 941,740.2869 grains per cubic meter.
Real-world example
1,000 g/in3 × 941740.2869 = 941,740,286.9 gr/m3
1,000 gram per cubic inches = 941,740,286.9 grains per cubic meter.
Conversion table
| Gram per Cubic inch (g/in3) | Grain per Cubic Meter (gr/m3) |
|---|---|
| 0.1 g/in3 | 94,174.02869 gr/m3 |
| 1 g/in3 | 941,740.2869 gr/m3 |
| 10 g/in3 | 9,417,402.869 gr/m3 |
| 100 g/in3 | 94,174,028.69 gr/m3 |
| 1,000 g/in3 | 941,740,286.9 gr/m3 |
| 10,000 g/in3 | 9,417,402,869 gr/m3 |
Reverse conversion: Grain per Cubic Meter to Gram per Cubic inch
1 gr/m3 × 0.000001061863885 = 0.0000010619 g/in3
1 grain per cubic meter = 0.0000010619 gram per cubic inches.
gram per cubic inches = grains per cubic meter × 0.0000010618638853
For a page dedicated to this direction, see Grain per Cubic Meter to Gram per Cubic inch.
Understanding the Gram per Cubic inch (g/in3)
Mass per volume density.
Understanding the Grain per Cubic Meter (gr/m3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per cubic meter are in 1 gram per cubic inch?
1 gram per cubic inch equals 941,740.2869 grains per cubic meter, using the exact defined conversion factor rather than an estimate.
How do I convert gram per cubic inch to grain per cubic meter?
Multiply the gram per cubic inch value by 941740.2869. The converter above does this instantly to whatever precision you set.
How do I convert grain per cubic meter back to gram per cubic inch?
Use the reverse factor: 1 grain per cubic meter equals 0.0000010619 gram per cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per cubic inch?
Gram per Cubic inch (g/in3) is a unit of density.
What is a grain per cubic meter?
Grain per Cubic Meter (gr/m3) is a unit of density.
Is the gram per cubic inch to grain per cubic meter conversion exact?
Yes. Both gram per cubic inch and grain per cubic meter are defined by fixed standards rather than physical artifacts, so the factor of 941740.2869 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.