1 ounce to kilograms
1 oz = 0.02834952 kg. Change the amount below, or read the formula and the reference table further down.
1 ounce equals
kilograms
1 oz = 0.02834952 kg
The formula
Ounces and kilograms both measure weight & mass from the same zero, so a single multiplier does the job.
kg = oz × 0.0283495231
Going the other way? Convert kilograms to ounces.
Ounces to kilograms table
Values either side of 1 oz.
| Ounces (oz) | Kilograms (kg) |
|---|---|
| -4 | -0.113398 |
| -3.5 | -0.099223 |
| -3 | -0.085049 |
| -2.5 | -0.070874 |
| -2 | -0.056699 |
| -1.5 | -0.042524 |
| -1 | -0.02835 |
| -0.5 | -0.014175 |
| 0 | 0 |
| 0.5 | 0.014175 |
| 1 | 0.02835 |
| 1.5 | 0.042524 |
| 2 | 0.056699 |
| 2.5 | 0.070874 |
| 3 | 0.085049 |
| 3.5 | 0.099223 |
| 4 | 0.113398 |
| 4.5 | 0.127573 |
| 5 | 0.141748 |
| 5.5 | 0.155922 |
| 6 | 0.170097 |
Questions people ask
- How many kilograms are in a ounce?
- One ounce equals 0.0283495231 kilograms.
- How do I convert ounces to kilograms by hand?
- Multiply the number of ounces by 0.0283495231. For a rough check, 0.028 is close enough for most everyday use.
- What is 1 ounce in kilograms?
- 1 ounce is 0.02834952 kilograms.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.