Grain per Cup (gr/cup) expresses mass in grain per unit volume in cup, found by dividing a mass value by a volume value.
Grain per Cup to Kilogram per Cubic foot
Convert grain per cup (gr/cup) to kilogram per cubic foot (kg/ft3) instantly with formula, conversion table, and FAQ.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
30+ categories
6,500+ units
Instant results
Offline ready
Density calculator
Density Converter
Convert grain per cup (gr/cup) to kilogram per cubic foot (kg/ft3) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Kilogram per Cubic foot (kg/ft3) expresses mass in kilogram per unit volume in cubic foot, found by dividing a mass value by a volume value.
kg/ft3 = gr/cup × 0.007756
Results update instantly for Grain per Cup to Kilogram per Cubic foot conversions.
Reserved above the conversion cards and below the converter.
Formula
kg/ft3 = gr/cup × 0.007756
gr/cup = kg/ft3 × 128.93789
Conversion table
| 1 gr/cup | 0.007756 kg/ft3 |
| 5 gr/cup | 0.038778 kg/ft3 |
| 10 gr/cup | 0.077557 kg/ft3 |
| 20 gr/cup | 0.155113 kg/ft3 |
| 50 gr/cup | 0.387784 kg/ft3 |
| 100 gr/cup | 0.775567 kg/ft3 |
| 500 gr/cup | 3.877836 kg/ft3 |
| 1000 gr/cup | 7.755672 kg/ft3 |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
How the formula works
Both grain per cup and kilogram per cubic foot measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in grain per cup by 0.007756 to get kilogram per cubic foot. To reverse the conversion, multiply a kilogram per cubic foot value by 128.93789 to get back to grain per cup.
Frequently asked questions
What is Grain per Cup (gr/cup)?
Grain per Cup (gr/cup) expresses mass in grain per unit volume in cup, found by dividing a mass value by a volume value.
What is Kilogram per Cubic foot (kg/ft3)?
Kilogram per Cubic foot (kg/ft3) expresses mass in kilogram per unit volume in cubic foot, found by dividing a mass value by a volume value.
How do I convert grain per cup to kilogram per cubic foot?
Multiply the grain per cup value by 0.007756 to get the equivalent in kilogram per cubic foot. For example, 5 gr/cup × 0.007756 = 0.038778 kg/ft3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.007756 is an exact, non-rounded value.
Can I convert kilogram per cubic foot back to grain per cup?
Yes. Divide the kilogram per cubic foot value by 0.007756, or multiply it by 128.93789, to get grain per cup.
Reserved between the FAQ and the article so the page stays balanced.
About converting grain per cup to kilogram per cubic foot
Grain per Cup (gr/cup) expresses mass in grain per unit volume in cup, found by dividing a mass value by a volume value. Kilogram per Cubic foot (kg/ft3) expresses mass in kilogram per unit volume in cubic foot, found by dividing a mass value by a volume value.
Use this calculator to move between grain per cup and kilogram per cubic foot accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.