Troy ounce per Cubic inch (oz t/in3) expresses mass in troy ounce per unit volume in cubic inch, found by dividing a mass value by a volume value.
Troy ounce per Cubic inch to Grain per Cubic Millimeter
Convert troy ounce per cubic inch (oz t/in3) to grain per cubic millimeter (gr/mm3) 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 troy ounce per cubic inch (oz t/in3) to grain per cubic millimeter (gr/mm3) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Grain per Cubic Millimeter (gr/mm3) expresses mass in grain per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
gr/mm3 = oz t/in3 × 0.029291
Results update instantly for Troy ounce per Cubic inch to Grain per Cubic Millimeter conversions.
Reserved above the conversion cards and below the converter.
Formula
gr/mm3 = oz t/in3 × 0.029291
oz t/in3 = gr/mm3 × 34.139717
Conversion table
| 1 oz t/in3 | 0.029291 gr/mm3 |
| 5 oz t/in3 | 0.146457 gr/mm3 |
| 10 oz t/in3 | 0.292914 gr/mm3 |
| 20 oz t/in3 | 0.585828 gr/mm3 |
| 50 oz t/in3 | 1.46457 gr/mm3 |
| 100 oz t/in3 | 2.92914 gr/mm3 |
| 500 oz t/in3 | 14.645699 gr/mm3 |
| 1000 oz t/in3 | 29.291397 gr/mm3 |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
How the formula works
Both troy ounce per cubic inch and grain per cubic millimeter measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in troy ounce per cubic inch by 0.029291 to get grain per cubic millimeter. To reverse the conversion, multiply a grain per cubic millimeter value by 34.139717 to get back to troy ounce per cubic inch.
Frequently asked questions
What is Troy ounce per Cubic inch (oz t/in3)?
Troy ounce per Cubic inch (oz t/in3) expresses mass in troy ounce per unit volume in cubic inch, found by dividing a mass value by a volume value.
What is Grain per Cubic Millimeter (gr/mm3)?
Grain per Cubic Millimeter (gr/mm3) expresses mass in grain per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
How do I convert troy ounce per cubic inch to grain per cubic millimeter?
Multiply the troy ounce per cubic inch value by 0.029291 to get the equivalent in grain per cubic millimeter. For example, 5 oz t/in3 × 0.029291 = 0.146457 gr/mm3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.029291 is an exact, non-rounded value.
Can I convert grain per cubic millimeter back to troy ounce per cubic inch?
Yes. Divide the grain per cubic millimeter value by 0.029291, or multiply it by 34.139717, to get troy ounce per cubic inch.
Reserved between the FAQ and the article so the page stays balanced.
About converting troy ounce per cubic inch to grain per cubic millimeter
Troy ounce per Cubic inch (oz t/in3) expresses mass in troy ounce per unit volume in cubic inch, found by dividing a mass value by a volume value. Grain per Cubic Millimeter (gr/mm3) expresses mass in grain per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
Use this calculator to move between troy ounce per cubic inch and grain per cubic millimeter accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.