Mass per volume density.
Grams per Cubic foot to Grains per Fluid ounce Converter — g/ft3 to gr/fl oz
Convert Gram per Cubic foot (g/ft3) to Grain per Fluid ounce (gr/fl oz) using the exact conversion factor (1 gram per cubic foot = 0.0161172362 grain per fluid ounce). See the formula, worked examples, conversion table, and common uses.
Grams per Cubic foot to Grains per Fluid ounce 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 0.03531466672 / 2.191111814.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grams per Cubic foot to Grains per Fluid ounce
Gram per Cubic foot and Grain per Fluid ounce 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. Gram per Cubic foot is most often used for can be used to express the density of low-density materials such as insulation foam, packaging material, or gas concentration by volume — for typical solid or liquid materials, kilograms per cubic meter or pounds per cubic foot are more commonly encountered.
Formula
grains per fluid ounce = grams per cubic foot × 0.0161172362356
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per cubic foot equals 0.0353146667215 base units, and 1 grain per fluid ounce equals 2.19111181379 base units, so dividing one by the other gives the direct gram per cubic foot-to-grain per fluid ounce factor of 0.0161172362356.
Simple example
1 g/ft3 × 0.01611723624 = 0.0161172362 gr/fl oz
1 gram per cubic foot = 0.0161172362 grains per fluid ounce.
Real-world example
1,000 g/ft3 × 0.01611723624 = 16.11723624 gr/fl oz
1,000 grams per cubic foot = 16.11723624 grains per fluid ounce.
Conversion table
| Gram per Cubic foot (g/ft3) | Grain per Fluid ounce (gr/fl oz) |
|---|---|
| 0.1 g/ft3 | 0.0016117236 gr/fl oz |
| 1 g/ft3 | 0.0161172362 gr/fl oz |
| 10 g/ft3 | 0.1611723624 gr/fl oz |
| 100 g/ft3 | 1.611723624 gr/fl oz |
| 1,000 g/ft3 | 16.11723624 gr/fl oz |
| 10,000 g/ft3 | 161.1723624 gr/fl oz |
Reverse conversion: Grain per Fluid ounce to Gram per Cubic foot
0.0161172362 gr/fl oz × 62.0453771 = 0.9999999978 g/ft3
0.0161172362 grains per fluid ounce = 0.9999999978 grams per cubic foot.
grams per cubic foot = grains per fluid ounce × 62.0453770971
For a page dedicated to this direction, see Grain per Fluid ounce to Gram per Cubic foot.
Understanding the Gram per Cubic foot
Gram per Cubic foot (g/ft3) measures density. A gram is a small mass unit and a cubic foot a comparatively large volume, so this combination naturally suits low-density materials rather than typical solids or liquids. It is classified as a mixed metric/US customary density unit.
Uses of the Gram per Cubic foot today
- Can be used to express the density of low-density materials such as insulation foam, packaging material, or gas concentration by volume — for typical solid or liquid materials, kilograms per cubic meter or pounds per cubic foot are more commonly encountered
Understanding the Grain per Fluid ounce (gr/fl oz)
Mass per volume density.
Gram per Cubic foot — sources
- BIPM SI Brochure — Gram and cubic foot as units combinable to express density, though not a standard industry pairing for general materials.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per fluid ounce are in 1 gram per cubic foot?
1 gram per cubic foot equals 0.0161172362 grains per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert gram per cubic foot to grain per fluid ounce?
Multiply the gram per cubic foot value by 0.01611723624. The converter above does this instantly to whatever precision you set.
How do I convert grain per fluid ounce back to gram per cubic foot?
Use the reverse factor: 1 grain per fluid ounce equals 62.0453771 grams per cubic foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per cubic foot?
Gram per Cubic foot (g/ft3) measures density. A gram is a small mass unit and a cubic foot a comparatively large volume, so this combination naturally suits low-density materials rather than typical solids or liquids. It is classified as a mixed metric/US customary density unit.
What is a grain per fluid ounce?
Grain per Fluid ounce (gr/fl oz) is a unit of density.
Is the gram per cubic foot to grain per fluid ounce conversion exact?
Yes. Both gram per cubic foot and grain per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 0.01611723624 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.