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Free Weight Converter

Troy Ounce to Grain Converter.

The global standard for gold, silver, and platinum pricing - heavier than an avoirdupois ounce. Converting to grains: The smallest common unit in the avoirdupois system, used in ballistics and medicine. One troy ounce equals 480 gr.

Result

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All units

Conversion formula

Multiply the troy ounce value by 480 to get grains. (factor: 480)

1 oz t = 480 gr

Quick reference table

oz tgr
1 oz t480 gr
2 oz t960 gr
5 oz t2,400 gr
10 oz t4,800 gr
25 oz t12,000 gr
50 oz t24,000 gr
100 oz t48,000 gr
250 oz t120,000 gr

Need the reverse? Try ourGrain to Troy Ounce.

Troy Ounce to Grain FAQ

How many grains are in one troy ounce?

One troy ounce equals 480 gr. Multiply by 480 to convert any value.

How do you convert oz t to gr?

Multiply the troy ounce value by 480 to get grains.

When would you use troy ounces vs grains?

The global standard for gold, silver, and platinum pricing - heavier than an avoirdupois ounce. The smallest common unit in the avoirdupois system, used in ballistics and medicine.