A grain is exactly 64.79891 milligrams.
Grains to Troy ounces
Convert grains (gr) to troy ounces (oz t) instantly. Free online weight converter with formulas, tables and examples.
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A troy ounce is exactly 31.1034768 grams.
oz t = gr × 0.00208333333333
Results update instantly for Grains to Troy ounces conversions.
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Formula
oz t = gr × 0.00208333333333
gr = oz t ÷ 0.00208333333333
Conversion table
| 1 gr | 0.002083 oz t |
| 5 gr | 0.010417 oz t |
| 10 gr | 0.020833 oz t |
| 20 gr | 0.041667 oz t |
| 50 gr | 0.104167 oz t |
| 100 gr | 0.208333 oz t |
| 500 gr | 1.041667 oz t |
| 1000 gr | 2.083333 oz t |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the grain (gr). A grain is exactly 64.79891 milligrams.
What is the destination unit in this conversion?
The destination unit is the troy ounce (oz t). A troy ounce is exactly 31.1034768 grams.
How do I convert grains to troy ounces?
Multiply the number of grains by 0.00208333333333 to get the equivalent value in troy ounces. For example, 5 gr × 0.00208333333333 = 0.010417 oz t.
Is the grain to troy ounce conversion exact?
Yes. This converter uses a fixed factor of 0.00208333333333, so results are precise and consistent every time you use it.
Where is this conversion commonly used?
It's used in everyday measurement, shipping and logistics, scientific and industrial work, and any context where you need to switch between grain and troy ounce values.
Can I convert troy ounces back to grains?
Yes. Multiply the troy ounces value by 480, or divide it by 0.00208333333333, to convert back to grains.
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About this conversion
This page converts grains (gr) into troy ounces (oz t) using the Universal Converter's mass conversion engine.
Grain-to-Troy ounce conversions are useful for everyday calculations, scientific work, shipping, and any task that mixes different weight or mass units.
The formula is oz t = gr × 0.00208333333333, based on the standard definitions of grain and troy ounce.
Because the conversion factor is fixed, results stay consistent and repeatable no matter how many times you calculate them.
Grain: A grain is exactly 64.79891 milligrams. Troy ounce: A troy ounce is exactly 31.1034768 grams.