Convert Ounces to Kilograms
oz to kg · weight & mass conversion
What are ounces and kilograms?
An ounce is 1/16 of a pound (about 28.35 g), common for food portions and mail in the US. The kilogram is the SI base unit of mass, defined since 2019 by the Planck constant. For scale: a 70 kg adult weighs about 154 lb, and a bag of sugar is usually 1 kg (2.2 lb).
How to convert ounces to kilograms
1 oz = 0.0283495 kg. To convert, multiply the number of ounces by 0.0283495. For example, 5 oz = 0.141748 kg, and 20 oz = 0.56699 kg. To go the other way, multiply kilograms by 35.274 (since 1 kg = 35.274 oz).
Ounces to Kilograms conversion table
| Ounces (oz) | Kilograms (kg) |
|---|---|
| 1 | 0.0283495 |
| 2 | 0.056699 |
| 5 | 0.141748 |
| 10 | 0.283495 |
| 25 | 0.708738 |
| 50 | 1.41748 |
| 100 | 2.83495 |
FAQ
What is 1 oz in kg?
1 oz = 0.0283495 kg. To convert any amount, multiply the number of ounces by 0.0283495.
How do I convert kilograms back to ounces?
Go the other way: 1 kg = 35.274 oz, so multiply kilograms by 35.274 to get ounces.
Is a ounce bigger than a kilogram?
No — 1 oz is the smaller unit, equal to 0.0283495 kg (it takes 35.274 oz to make one kg).
Are these weight & mass conversions exact?
They use the standard internationally-defined conversion factors. Results are rounded to six significant figures for readability, which is accurate enough for everyday and most technical use.