ounce to grain

Live ounce (oz) to grain (gr) converter. Plus a 10-value reference table and FAQs.

ounce
grain
1 oz = 437.5gr

Conversion table

Ten sample values from ounce to grain. Use the converter above for arbitrary values.

ounce (oz)grain (gr)
0.001 oz 0.4375 gr
0.01 oz 4.375 gr
0.1 oz 43.75 gr
0.5 oz 218.75 gr
1 oz 437.5 gr
2 oz 875 gr
5 oz 2,187.5 gr
10 oz 4,375 gr
100 oz 43,750 gr
1,000 oz 437,500 gr

About the ounce

1/16 of a pound, or about 28.35 g. Cooking in the US.

About the grain

Exactly 64.798 91 milligrams. Bullets, precious metals in troy.

Frequently asked questions

Frequently Asked Questions

How do I convert ounce to grain?

Multiply the ounce value by 437.5 to get it in grain. For example, 10 oz = 4,375 gr.

What is 1 oz in gr?

1 oz = 437.5 gr.

What is 100 oz in gr?

100 oz = 43,750 gr.

What is the formula?

Linear: multiply by 437.5 (the unit factor ratio).

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