Ounce to Grain (oz → gr)
Convert ounce to grain instantly. The conversion factor below is exact by international definition.
Realtime·mass·imperial
Exact
oz
× 437.5
gr
437.5
Precision [auto]
6
📐oz to gr formulaExact
gr = oz × 437.5
Inverse: oz = gr × 0.002285714286
Worked example: 1 oz = 437.5 gr
ℹ️About these units
Ounce (oz)
Source: 1 oz = 1/16 lb exact.
Grain (gr)
Source: 1 gr = 64.79891 mg exact.
📊Reference table: oz → gr
| Ounce (oz) | Grain (gr) |
|---|---|
| 1 | 437.5 |
| 2 | 875 |
| 5 | 2,187.5 |
| 10 | 4,375 |
| 15 | 6,562.5 |
| 20 | 8,750 |
| 25 | 10,937.5 |
| 50 | 21,875 |
| 100 | 43,750 |
| 250 | 109,375 |
| 500 | 218,750 |
| 750 | 328,125 |
| 1,000 | 437,500 |
Want a downloadable CSV? Append ?format=csv to the API /api/v1/table endpoint.
🔁Reverse & related
🔌API & widget
GET https://convertnavi.com/api/v1/convert?value=10&from=ounce&to=grainEmbed this converter
<div data-convertnavi="ounce->grain"></div>
<script async src="https://convertnavi.com/embed.js"></script>