Mass per volume density.
Grams per Cubic yard to Grains per Cubic Meter Converter — g/yd3 to gr/m3
Convert Gram per Cubic yard (g/yd3) to Grain per Cubic Meter (gr/m3) using the exact conversion factor (1 gram per cubic yard = 20.18476267 grain per cubic meter). See the formula, worked examples, and conversion table.
Grams per Cubic yard 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 0.001307950619 / 6.479891e-5.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grams per Cubic yard to Grains per Cubic Meter
Gram per Cubic yard 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 = grams per cubic yard × 20.1847626652
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per cubic yard equals 0.00130795061931 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 yard-to-grain per cubic meter factor of 20.1847626652.
Simple example
1 g/yd3 × 20.18476267 = 20.18476267 gr/m3
1 gram per cubic yard = 20.18476267 grains per cubic meter.
Real-world example
1,000 g/yd3 × 20.18476267 = 20,184.76267 gr/m3
1,000 grams per cubic yard = 20,184.76267 grains per cubic meter.
Conversion table
| Gram per Cubic yard (g/yd3) | Grain per Cubic Meter (gr/m3) |
|---|---|
| 0.1 g/yd3 | 2.018476267 gr/m3 |
| 1 g/yd3 | 20.18476267 gr/m3 |
| 10 g/yd3 | 201.8476267 gr/m3 |
| 100 g/yd3 | 2,018.476267 gr/m3 |
| 1,000 g/yd3 | 20,184.76267 gr/m3 |
| 10,000 g/yd3 | 201,847.6267 gr/m3 |
Reverse conversion: Grain per Cubic Meter to Gram per Cubic yard
20.18476267 gr/m3 × 0.04954232143 = 1 g/yd3
20.18476267 grains per cubic meter = 1 grams per cubic yard.
grams per cubic yard = grains per cubic meter × 0.0495423214326
For a page dedicated to this direction, see Grain per Cubic Meter to Gram per Cubic yard.
Understanding the Gram per Cubic yard (g/yd3)
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 yard?
1 gram per cubic yard equals 20.18476267 grains per cubic meter, using the exact defined conversion factor rather than an estimate.
How do I convert gram per cubic yard to grain per cubic meter?
Multiply the gram per cubic yard value by 20.18476267. The converter above does this instantly to whatever precision you set.
How do I convert grain per cubic meter back to gram per cubic yard?
Use the reverse factor: 1 grain per cubic meter equals 0.0495423214 grams per cubic yard. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per cubic yard?
Gram per Cubic yard (g/yd3) 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 yard to grain per cubic meter conversion exact?
Yes. Both gram per cubic yard and grain per cubic meter are defined by fixed standards rather than physical artifacts, so the factor of 20.18476267 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.