Ounce to Grain Converter

Convert Ounces to Grains

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How to Convert Ounces to Grains

To convert ounces to grains, you multiply the number of ounces by 437.5. For more information about ounces as a unit of measurement, visit our ounces page.

Formula

Grains = Ounces × 437.5

or

gr = oz × 437.5

Step-by-step process

  1. Take the measurement in ounces
  2. Multiply that number by 437.5
  3. The result is the equivalent weight in grains

Examples

  • 1 oz = 1 × 437.5 = 437.5 grains
  • 5 oz = 5 × 437.5 = 2187.5 grains
  • 10 oz = 10 × 437.5 = 4375 grains

Common Ounces to Grains Conversions

Here is a table of common ounce to grain conversions for quick reference:

Ounces (oz) Grains (gr) Ounces (oz) Grains (gr)
1 437.5 25 10937.5
2 875 50 21875
5 2187.5 100 43750
10 4375 500 218750

Other conversions from ounces

Ounces can be converted to various other units of mass. Here are some common conversions:

Other conversions to grains

Various units can be converted to grains. Here are some common conversions:

Frequently Asked Questions

How many ounces are in a grain?

There are approximately 0.00228571 ounces in one grain.

What is the symbol for an ounce?

The symbol for ounce is "oz".

What is the symbol for a grain?

The symbol for grain is "gr".