A troy ounce is exactly 31.1034768 grams.
Troy ounces to Gigagrams Converter — oz t to Gg
Convert Troy ounce (oz t) to Gigagram (Gg) using the exact conversion factor (1 troy ounce = 3.110348e-8 gigagram). See the formula, worked examples, and conversion table.
Troy ounces to Gigagrams converter
Converter
Mass/Weight Converter
Convert SI mass, imperial weight, jewelry, atomic, and astronomy mass units.
Context values
Some unit families need one extra value for a physically accurate result.
Gigagram is 1000000000 gram units.
Result = input x 0.0311034768 / 1e+6.
Mass uses the kilogram as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Troy ounces to Gigagrams
Weight conversions between Troy ounce and Gigagram come up constantly in everyday commerce, shipping, and cooking, since US packaging is usually labeled in pounds while most of the rest of the world uses kilograms. Specifically: A troy ounce is exactly 31.1034768 grams, and gigagram is 1000000000 gram units.
Formula
gigagrams = troy ounces × 3.110348e-8
This factor comes from each unit's defined relationship to the category's base unit: 1 troy ounce equals 0.0311034768 base units, and 1 gigagram equals 1000000 base units, so dividing one by the other gives the direct troy ounce-to-gigagram factor of 3.110348e-8.
Simple example
1 oz t × 3.110348e-8 = 3.110348e-8 Gg
1 troy ounce = 3.110348e-8 gigagrams.
Real-world example
50 oz t × 3.110348e-8 = 0.0000015552 Gg
50 troy ounces = 0.0000015552 gigagrams.
Conversion table
| Troy ounce (oz t) | Gigagram (Gg) |
|---|---|
| 1 oz t | 3.110348e-8 Gg |
| 5 oz t | 1.555174e-7 Gg |
| 10 oz t | 3.110348e-7 Gg |
| 25 oz t | 7.775869e-7 Gg |
| 50 oz t | 0.0000015552 Gg |
| 100 oz t | 0.0000031103 Gg |
Reverse conversion: Gigagram to Troy ounce
3.110348e-8 Gg × 32150746.57 = 1.000000103 oz t
3.110348e-8 gigagrams = 1.000000103 troy ounces.
troy ounces = gigagrams × 32150746.5686
For a page dedicated to this direction, see Gigagram to Troy ounce.
Understanding the Troy ounce (oz t)
A troy ounce is exactly 31.1034768 grams.
Understanding the Gigagram (Gg)
Gigagram is 1000000000 gram units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many gigagrams are in 1 troy ounce?
1 troy ounce equals 3.110348e-8 gigagrams, using the exact defined conversion factor rather than an estimate.
How do I convert troy ounce to gigagram?
Multiply the troy ounce value by 3.110348e-8. The converter above does this instantly to whatever precision you set.
How do I convert gigagram back to troy ounce?
Use the reverse factor: 1 gigagram equals 32,150,746.57 troy ounces. You can also use the swap control in the converter above to flip the direction instantly.
What is a troy ounce?
Troy ounce (oz t) is a unit of mass/weight.
What is a gigagram?
Gigagram (Gg) is a unit of mass/weight.
Is the troy ounce to gigagram conversion exact?
Yes. Both troy ounce and gigagram are defined by fixed standards rather than physical artifacts, so the factor of 3.110348e-8 used above is exact to as many digits as you choose to display.