How to convert ounces to kilograms
Ounces and Kilograms both measure weight, so converting is a single multiplication. One oz equals 0.02835 kg, so you multiply your ounces value by 0.02835.
Formula: kilograms = ounces × 0.02835. For example, 10 oz = 0.283495 kg.
Ounces to Kilograms conversion table
| Ounces (oz) | Kilograms (kg) |
|---|---|
| 1 | 0.02835 |
| 2 | 0.056699 |
| 5 | 0.141748 |
| 10 | 0.283495 |
| 25 | 0.708737 |
| 50 | 1.417475 |
| 100 | 2.83495 |
| 1,000 | 28.3495 |
Ounces and Kilograms explained
Ounces (oz): An imperial unit equal to about 28.35 g, used for food and postage in the US.
Kilograms (kg): One thousand grams, the SI base unit of mass and the everyday metric weight.
When you'd convert ounces to kilograms
You'll convert ounces to kilograms whenever a measurement is given in one unit but you need it in the other — comparing ounces and kilograms figures across regions, following a recipe or spec, or double-checking a number. Because 1 oz is exactly 0.02835 kg, the result is precise every time.
Frequently asked questions
How many kilograms are in a ounce?
One oz equals 0.02835 kg. Multiply your ounces figure by 0.02835 to get kilograms.
What is the formula to convert ounces to kilograms?
kilograms = ounces × 0.02835. The factor 0.02835 is exact.
What is 2 ounces in kilograms?
2 oz = 0.056699 kg. You can enter any value in the converter above to get an instant result.
Is this Ounces to Kilograms converter accurate?
Yes. It uses the standard conversion factor (1 oz = 0.02835 kg) defined by BIPM — SI Brochure (definition of the kilogram), so results are exact to several decimal places.