How to convert troy ounces to grains
gr = oz t × 480Multiply the value in troy ounces by 480. To go the other way, multiply by 0.002083333333 (or divide by 480).
A troy ounce is larger than a grain: one troy ounce contains 480 grains.
Worked examples
- 1 troy ounce1 oz t × 480 = 480 gr
- 5 troy ounces5 oz t × 480 = 2,400 gr
- 10 troy ounces10 oz t × 480 = 4,800 gr
- 20 troy ounces20 oz t × 480 = 9,600 gr
- 100 troy ounces100 oz t × 480 = 48,000 gr
Troy ounces to grains conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Troy ounces (oz t) | Grains (gr) |
|---|---|
| 0.1 oz t | 48 gr |
| 0.25 oz t | 120 gr |
| 0.5 oz t | 240 gr |
| 1 oz t | 480 gr |
| 2 oz t | 960 gr |
| 3 oz t | 1,440 gr |
| 4 oz t | 1,920 gr |
| 5 oz t | 2,400 gr |
| 6 oz t | 2,880 gr |
| 7 oz t | 3,360 gr |
| 8 oz t | 3,840 gr |
| 9 oz t | 4,320 gr |
| 10 oz t | 4,800 gr |
| Troy ounces (oz t) | Grains (gr) |
|---|---|
| 12 oz t | 5,760 gr |
| 15 oz t | 7,200 gr |
| 20 oz t | 9,600 gr |
| 25 oz t | 12,000 gr |
| 30 oz t | 14,400 gr |
| 40 oz t | 19,200 gr |
| 50 oz t | 24,000 gr |
| 75 oz t | 36,000 gr |
| 100 oz t | 48,000 gr |
| 250 oz t | 120,000 gr |
| 500 oz t | 240,000 gr |
| 1,000 oz t | 480,000 gr |
About the units
Troy ounce (oz t)
480 grains or 31.1034768 g, about 10% heavier than an ordinary ounce. Gold, silver and platinum prices are quoted per troy ounce. One troy ounce equals 0.0311034768 kilograms (kg).
Grain (gr)
Exactly 64.79891 mg; 7,000 grains make a pound. Used for bullets, arrows and some medicines. One grain equals 0.00006479891 kilograms (kg).
Frequently asked questions
How many grains are in one troy ounce?
There are 480 grains in one troy ounce, and this value is exact by definition.
How do I convert troy ounces to grains?
Multiply the number of troy ounces by 480. For example, 10 oz t × 480 = 4,800 gr.
How many troy ounces are in one grain?
One grain equals 0.002083333333 troy ounces. That is the reverse factor, 1 ÷ 480.
What is 10 troy ounces in grains?
10 oz t = 4,800 gr.
Is this oz t to gr converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.
Convert troy ounces to other units
- Troy ounces to kilograms
- Troy ounces to grams
- Troy ounces to milligrams
- Troy ounces to micrograms
- Troy ounces to metric tons
- Troy ounces to pounds
- Troy ounces to ounces
- Troy ounces to stone
- Troy ounces to US tons
- Troy ounces to long tons
- Troy ounces to carats