Weight and Mass conversion

Convert Ounce to Kilogram

1 ounce (oz) equals 0.028349523125 kilogram (kg). Enter any value below to convert from oz to kg.

Enter a value and choose units. Results update instantly.

1 oz = 0.0283495231 kg

All Mass units

From 1 oz
UnitValue
Kilogram kg 0.0283495231
Gram g 28.349523125
Milligram mg 28,349.523125
Metric ton t 0.0000283495
Pound lb 0.0625
Ounce oz 1
Stone st 0.0044642857
US short ton short ton 0.00003125
Imperial long ton long ton 0.0000279018
Carat ct 141.747615625
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Formula

oz to kg conversion formula

Use this relationship for a direct conversion:

kg = oz x 0.028349523125

Worked example

2 oz = 0.0566990463 kg.

International avoirdupois and metric mass definitions are exact; displayed results are rounded only for readability.

Quick reference

Ounce to Kilogram table

Ounce (oz)Kilogram (kg)
0.010.0002834952
0.10.0028349523
10.0283495231
20.0566990463
50.1417476156
100.2834952313
250.7087380781
501.4174761563
1002.8349523125
1,00028.349523125

From unit

About the ounce

One sixteenth of an international avoirdupois pound.

Symbol: oz

To unit

About the kilogram

The SI base unit of mass.

Symbol: kg

Keep converting

Related conversions

Kilogram to OunceReverse this conversion Ounce to Gramoz to gOunce to Milligramoz to mgOunce to Metric tonoz to tOunce to Poundoz to lbOunce to Stoneoz to stOunce to US short tonoz to short ton

Source

Conversion standard

Definitions are checked against NIST SP 811: Units outside the SI. Calculations use full internal precision before display rounding.

View the complete weight and mass converter

Questions

oz to kg FAQ

How do you convert ounce to kilogram?

Use the formula kg = oz x 0.028349523125. 1 ounce (oz) equals 0.028349523125 kilogram (kg).

Is the oz to kg conversion exact?

Both unit definitions use exact factors. Only the displayed decimal may be rounded.