Convert ounce to grain

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Conversion from ounce to grain example

Starting value Increment Accuracy

To convert ounce to grain, multiply by 437.5.

1 oz = 437.5 gr

Example: 1 ounce = 437.5 grain

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.

Score: 0

0.6 ounce equals 131 grain.

Correct answer: 0.6 ounce = 262 grain.

213 grain equals 0.487 ounce.

Correct answer: 213 grain = 0.487 ounce.

173 grain equals 0.395 ounce.

Correct answer: 173 grain = 0.395 ounce.