Grains to Ounces
Convert grains (gr) to ounces (oz). Type in either box; the other updates as you go.
How to convert grains to ounces
To convert grains to ounces, divide the number of grains by 437.5.
Example
Convert 5 grains to ounces:
Grain to ounce conversion chart
| Grains (gr) | Ounces (oz) |
|---|---|
| 1 gr | 0.002285714 oz |
| 2 gr | 0.004571429 oz |
| 3 gr | 0.006857143 oz |
| 4 gr | 0.009142857 oz |
| 5 gr | 0.01142857 oz |
| 6 gr | 0.01371429 oz |
| 7 gr | 0.016 oz |
| 8 gr | 0.01828571 oz |
| 9 gr | 0.02057143 oz |
| 10 gr | 0.02285714 oz |
| 12 gr | 0.02742857 oz |
| 15 gr | 0.03428571 oz |
| 20 gr | 0.04571429 oz |
| 25 gr | 0.05714286 oz |
| 30 gr | 0.06857143 oz |
| 40 gr | 0.09142857 oz |
| 50 gr | 0.1142857 oz |
| 60 gr | 0.1371429 oz |
| 70 gr | 0.16 oz |
| 75 gr | 0.1714286 oz |
| 80 gr | 0.1828571 oz |
| 90 gr | 0.2057143 oz |
| 100 gr | 0.2285714 oz |
| 150 gr | 0.3428571 oz |
| 200 gr | 0.4571429 oz |
| 250 gr | 0.5714286 oz |
| 500 gr | 1.142857 oz |
| 1,000 gr | 2.285714 oz |
Going the other way? See the ounces to grains chart.
About the units
Grain (gr)
A grain is exactly 64.79891 milligrams. There are 7,000 grains in a pound; it is used for bullets, arrows and some medicines.
Ounce (oz)
An avoirdupois ounce is one sixteenth of a pound, or 28.349523125 grams. Not to be confused with the fluid ounce, which measures volume.
Frequently asked questions
How many ounces are in a grain?
There are 0.002285714286 ounces in a grain.
How many grains are in an ounce?
There are 437.5 grains in an ounce.
How do you convert grains to ounces?
To convert grains to ounces, divide the number of grains by 437.5.
What is 5 grains in ounces?
5 grains equals 0.0114286 ounces.
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