Ounces and Pounds vs. Grams
Converting ounces (ozs.) and pounds (lbs.) to grams (g).
- Mass is a measure of the amount of material in an object with kg in the SI-system and slugs in the Imperial system
- Weight is the gravitational force acting on a body mass - Newton in the SI-system and pounds in the Imperial system
Note - it is not possible to convert pounds (or ounces) to kg (or grams) without including the force of gravity.
It is a common misconception to convert weight in pounds (ounces) to kg (grams) as mass as a measure of weight as indicated below.
| Imperial Units (weight) | SI-units (mass) |
|---|---|
| Ounces | grams |
| 1/4 (quarter) | 7 |
| 1/2 (half) | 14 |
| 3/4 (three quarters) | 21 |
| 1 | 28.35 |
| 2 | 57 |
| 3 | 85 |
| 4 (quarter lb) | 113 |
| 5 | 142 |
| 6 | 170 |
| 7 | 198 |
| 8 (half lb) | 227 |
| 9 | 255 (1/4 kilo) |
| 10 | 284 |
| 11 | 312 |
| 12 (3/4 lb) | 340 |
| 13 | 369 |
| 14 | 397 |
| 15 | 425 |
| 16 (1 lb) | 454 |
| 17 | 482 |
| 18 | 510 (1/2 kilo) |
| 19 | 539 |
| 20 (1 1/4 lbs) | 567 |
| 21 | 595 |
| 22 | 624 |
| 23 | 652 |
| 24 (1 1/2 lbs) | 680 |
| 25 | 709 |
| 26 | 737 |
| 27 | 765 (3/4 kilo) |
| 28 (1 3/4 lbs) | 794 |
| 29 | 822 |
| 30 | 851 |
| 31 | 879 |
| 32 (2 lbs) | 907 |
