Convert ounces to kilograms instantly. Enter a value below, or use the formula and reference table further down the page.
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How to convert ounces to kilograms
Multiply the value by 0.02834952313.
kg = oz × 0.02834952313Example: 10 oz = 0.2835 kg.
Ounces to Kilograms conversion table
| Ounces (oz) | Kilograms (kg) |
|---|---|
| 1 oz | 0.0283 kg |
| 2 oz | 0.0567 kg |
| 3 oz | 0.085 kg |
| 4 oz | 0.1134 kg |
| 5 oz | 0.1417 kg |
| 10 oz | 0.2835 kg |
| 15 oz | 0.4252 kg |
| 20 oz | 0.567 kg |
| 25 oz | 0.7087 kg |
| 50 oz | 1.4175 kg |
| 100 oz | 2.835 kg |
Frequently asked questions
How many kilograms is 1 ounce?
1 ounce equals 0.0283 kilograms.
What is the formula to convert oz to kg?
To convert oz to kg, multiply the value by 0.02834952313. The full formula is: kg = oz × 0.02834952313.
How do I convert kilograms back to ounces?
Use the same calculator above and type your value into the kilograms field instead — it converts in both directions. Or use the reverse formula: oz = kg ÷ 0.02834952313.
Is the oz to kg conversion exact?
The conversion factor used here (0.02834952313) is the standard internationally defined value. Results on this page are rounded to four decimal places for readability.