Convert grains to ounces

Grains to ounces. Enter a value to convert, or use the grains to ounces chart further down the page.

1 gr = 0.002285714286 oz

1 grain equals 0.002285714286 ounces. Going the other way, 1 ounce = 437.5 grains.

How to convert grains to ounces

To convert grains to ounces, multiply the grain value by 0.002285714286. You can also divide by 437.5 to get the same answer.

oz = gr × 0.002285714286

Convert 15 gr to ounces:

15 gr = 0.03428571429 oz

Use this grains to ounces table for quick reference without typing anything.

The grain is exactly 64.79891 milligrams. It survives as the unit for bullet and gunpowder weights and for pharmaceutical aspirin doses.

The avoirdupois ounce is one sixteenth of a pound, or exactly 28.349523125 grams. Do not confuse it with the fluid ounce, which measures volume.

How many ounces are in a grain?

1 grains equals 0.002285714286 ounces. Going the other way, 1 ounces is 437.5 grains.

How do you convert grains to ounces?

To convert grains to ounces, multiply the grain value by 0.002285714286. You can also divide by 437.5 to get the same answer.

What is 10 grains in ounces?

10 grains equals 0.02285714286 ounces. The conversion chart on this page lists the other values people look up most often.