Ounces to Grains Conversion

How many grains in an ounce?

To find out how many grains in "x" ounces or ounces in "x" grains, enter an ounce or a grain value into the converter and the result will be displayed.

Round:
Enter Ounce
⇵
Enter Grain

► weight conversion

Ounces to grains conversion factor is 437.5 (for troy weight it is 480). To find out how many grains in ounces, multiply the ounce value by the conversion factor.

1 Ounce = 437.5 Grains

Ounce is an imperial and US Customary mass unit. Troy ounce is used for the measurement of precious metals, gold, silver etc. The abbreviation is "oz".

Grain is a unit of mass and based on the average mass of a seed of a cereal, barley and wheat. 1 pound equals to 7000 grains. It is also commonly used to measure the hardness of water and the mass of gunpowder. The abbreviation is "gr".

Create Custom Conversion Table
To create your own custom conversion table click "Create Table" botton. To change values, you may enter a "Start" value (1, 2.5, 5 etc), select a an "Increment" value (0.01, 5, 100 etc) and select an "Accuracy" value to round the result.
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