Grain per Cubic inch (gr/in3) expresses mass in grain per unit volume in cubic inch, found by dividing a mass value by a volume value.
Grain per Cubic inch to Ounce per Cup
Convert grain per cubic inch (gr/in3) to ounce per cup (oz/cup) 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 cubic inch (gr/in3) to ounce per cup (oz/cup) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Ounce per Cup (oz/cup) expresses mass in ounce per unit volume in cup, found by dividing a mass value by a volume value.
oz/cup = gr/in3 × 0.033
Results update instantly for Grain per Cubic inch to Ounce per Cup conversions.
Reserved above the conversion cards and below the converter.
Formula
oz/cup = gr/in3 × 0.033
gr/in3 = oz/cup × 30.30303
Conversion table
| 1 gr/in3 | 0.033 oz/cup |
| 5 gr/in3 | 0.165 oz/cup |
| 10 gr/in3 | 0.33 oz/cup |
| 20 gr/in3 | 0.66 oz/cup |
| 50 gr/in3 | 1.65 oz/cup |
| 100 gr/in3 | 3.3 oz/cup |
| 500 gr/in3 | 16.5 oz/cup |
| 1000 gr/in3 | 33 oz/cup |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
How the formula works
Both grain per cubic inch and ounce per cup measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in grain per cubic inch by 0.033 to get ounce per cup. To reverse the conversion, multiply a ounce per cup value by 30.30303 to get back to grain per cubic inch.
Frequently asked questions
What is Grain per Cubic inch (gr/in3)?
Grain per Cubic inch (gr/in3) expresses mass in grain per unit volume in cubic inch, found by dividing a mass value by a volume value.
What is Ounce per Cup (oz/cup)?
Ounce per Cup (oz/cup) expresses mass in ounce per unit volume in cup, found by dividing a mass value by a volume value.
How do I convert grain per cubic inch to ounce per cup?
Multiply the grain per cubic inch value by 0.033 to get the equivalent in ounce per cup. For example, 5 gr/in3 × 0.033 = 0.165 oz/cup.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.033 is an exact, non-rounded value.
Can I convert ounce per cup back to grain per cubic inch?
Yes. Divide the ounce per cup value by 0.033, or multiply it by 30.30303, to get grain per cubic inch.
Reserved between the FAQ and the article so the page stays balanced.
About converting grain per cubic inch to ounce per cup
Grain per Cubic inch (gr/in3) expresses mass in grain per unit volume in cubic inch, found by dividing a mass value by a volume value. Ounce per Cup (oz/cup) expresses mass in ounce per unit volume in cup, found by dividing a mass value by a volume value.
Use this calculator to move between grain per cubic inch and ounce per cup accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.