Convert Ounces to kilograms
1 ounce = 0.02835 kilograms · kg = oz ÷ 35.27396195
When you need this conversion
This conversion goes from ounces, the US customary unit for cooking and postage, to kilograms, the SI base unit used worldwide for body weight and shipping. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
Ounces to kilograms conversion table
| Ounces (oz) | Kilograms (kg) |
|---|---|
| 1 oz | 0.02835 kg |
| 2 oz | 0.056699 kg |
| 3 oz | 0.085049 kg |
| 5 oz | 0.141748 kg |
| 10 oz | 0.283495 kg |
| 15 oz | 0.425243 kg |
| 20 oz | 0.56699 kg |
| 25 oz | 0.708738 kg |
| 50 oz | 1.4175 kg |
| 75 oz | 2.1262 kg |
| 100 oz | 2.835 kg |
| 250 oz | 7.0874 kg |
| 500 oz | 14.1748 kg |
| 1,000 oz | 28.3495 kg |
The formula
kg = oz ÷ 35.27396195Because both units measure weight, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
Kilograms to ounces →Related weight conversions
- Ounces to grams
- Pounds to kilograms
- Stones to kilograms
- Grams to ounces
- Grams to carats
- Kilograms to pounds
- Kilograms to stones
- Metric tons to US tons
- US tons to metric tons
- Carats to grams
- Milligrams to kilograms
- Grams to kilograms
Frequently asked questions
- How many kilograms are in a ounce?
- There are 0.02835 kilograms in 1 ounce. The formula is kg = oz ÷ 35.27396195.
- How do you convert ounces to kilograms?
- Use the formula kg = oz ÷ 35.27396195. For example, 10 ounces equals 0.283495 kilograms.
- Is the ounces to kilograms conversion exact?
- Yes. Ounces and kilograms are both units of weight, related by an exact defined factor. Displayed results are rounded for readability.
- What is oz short for?
- oz is the standard symbol for ounce. kg is the symbol for kilogram.