Ounces to Kilograms

Convert oz to kg instantly — with a table, common amounts, and a live calculator.

1 oz equals 0.0283 kg.

Updated Open the Unit Converter →

Convert any amount

Result (kg)0.0283 kg

oz to kg table

ozkg
0.25 oz0.00709 kg
0.5 oz0.0142 kg
0.75 oz0.0213 kg
1 oz0.0283 kg
1.5 oz0.0425 kg
2 oz0.0567 kg
2.5 oz0.0709 kg
3 oz0.085 kg
4 oz0.113 kg
5 oz0.142 kg
6 oz0.17 kg
7 oz0.198 kg
7.5 oz0.213 kg
8 oz0.227 kg
10 oz0.283 kg
12 oz0.34 kg
15 oz0.425 kg
20 oz0.567 kg
25 oz0.709 kg
50 oz1.42 kg
75 oz2.13 kg
100 oz2.83 kg

kg to oz (reverse)

kgoz
0.25 kg8.82 oz
0.5 kg17.64 oz
0.75 kg26.46 oz
1 kg35.27 oz
1.5 kg52.91 oz
2 kg70.55 oz
2.5 kg88.18 oz
3 kg105.82 oz
4 kg141.1 oz
5 kg176.37 oz
6 kg211.64 oz
7 kg246.92 oz
7.5 kg264.55 oz
8 kg282.19 oz
10 kg352.74 oz
12 kg423.29 oz
15 kg529.11 oz
20 kg705.48 oz
25 kg881.85 oz
50 kg1763.7 oz
75 kg2645.55 oz
100 kg3527.4 oz

Common amounts

ozkg
1/8 oz0.00354 kg
1/4 oz0.00709 kg
1/3 oz0.00945 kg
1/2 oz0.0142 kg
2/3 oz0.0189 kg
3/4 oz0.0213 kg
1 oz0.0283 kg
1 1/4 oz0.0354 kg
1 1/2 oz0.0425 kg
1 3/4 oz0.0496 kg
2 oz0.0567 kg
2 1/2 oz0.0709 kg

How it scales

0.030.060.090.1101234oz

1 kilogram in other units

1000g35.3oz2.2lb0.2st

The ratio at a glance

1 oz0.03 kg

Imperial and metric weight units

Ounces, pounds, and stone belong to the imperial/US system, while milligrams, grams, kilograms, and metric tons are metric. The international avoirdupois pound is defined as exactly 453.59237 grams.

Mass-to-mass conversions are exact and rest on fixed factors — for more unit pairs, use our weight conversion hub.

Related conversions

Where weight conversions are used

Weight (mass) conversions show up in cooking, shipping, fitness, and travel — anywhere recipes, luggage limits, or body weight are quoted in pounds, ounces, kilograms, or grams.

  • One pound is defined as exactly 0.45359237 kg, so the kilogram ↔ pound factor never changes.
  • Strictly, kilograms measure mass and pounds-force measure weight, but in everyday use the two are converted directly.
  • A metric tonne is 1,000 kg; a US (short) ton is about 907 kg and a UK (long) ton about 1,016 kg.

Frequently asked questions

How many kg are in a oz?

1 oz equals 0.0283 kg.

How many kg are in 2 oz?

2 oz equal 0.0567 kg.

How do I convert oz to kg?

Divide the number of oz by 35.27 to get kg.

Is the oz-to-kg conversion exact?

Yes. Mass-to-mass conversions are exact; the values here are only rounded to two decimal places.

Why are there imperial and metric weight units?

Ounces, pounds, and stone belong to the imperial/US system, while milligrams, grams, kilograms, and metric tons are metric. All conversions rest on fixed, exact factors.

Convert any unit

The unit converter handles length, volume, weight, and more.

Open Unit Converter →