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Convert ounce to grain (troy)

Here you can quickly calculate how many grain (troy) fit in one ounce.
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  • 1 oz = 437.5 gr t
  • 1 gr t = 0.002286 oz

Example: ounce to grain (troy)

  • 1 ounce = 437.5 grain (troy)

Ounce to grain (troy) conversion table

ounce grain (troy)
1 437.5
2 875
5 2187.5
10 4375
20 8750
50 21875
100 43750

Ounce to grain (troy) formula

To convert ounce to grain (troy), multiply by 437.5.

1 oz = 437.5 gr t
Example: 1 ounce = 437.5 grain (troy)

Common mass conversion mistakes

  • The everyday avoirdupois ounce is about 28.35 g, but precious metals are priced in troy ounces of about 31.10 g. An 'ounce of gold' is nearly 10% heavier than an ounce of flour. Use troy ounces for gold and silver, the regular ounce for everything else.

Quick ounce and grain (troy) conversion quiz

Score: 0

45 ounce equals 19 700 grain (troy).

Correct answer: 45 ounce = 19 700 grain (troy).

13.5 grain (troy) equals 0.0309 ounce.

Correct answer: 13.5 grain (troy) = 0.0309 ounce.

20.9 ounce equals 9 140 grain (troy).

Correct answer: 20.9 ounce = 9 140 grain (troy).

201 ounce equals 44 000 grain (troy).

Correct answer: 201 ounce = 87 900 grain (troy).

15.8 grain (troy) equals 0.0217 ounce.

Correct answer: 15.8 grain (troy) = 0.0361 ounce.

More mass conversions