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Weight and mass

Kilograms to Ounces Converter

Convert kilograms to ounces instantly. One kilogram equals exactly 35.27396 ounces. Type in either box to convert both ways, then use the chart, worked examples and everyday sizes below.

Kilograms to ounces calculator

How to convert kilograms to ounces

Worked example: convert 15 kilograms to ounces. Using ounces ← kilograms × 35.27396195, we get 15 × 35.27396195 = 529.10943 oz. To check the result, convert back: 529.10943 oz ÷ 35.27396195 = 15 kg.

Kilograms to ounces chart

Kilograms (kg)Ounces (oz)
1 kg35.27396 oz
2 kg70.54792 oz
3 kg105.8219 oz
4 kg141.0958 oz
5 kg176.3698 oz
6 kg211.6438 oz
8 kg282.1917 oz
10 kg352.7396 oz
12 kg423.2875 oz
15 kg529.1094 oz
20 kg705.4792 oz
25 kg881.849 oz
30 kg1,058.219 oz
40 kg1,410.958 oz
50 kg1,763.698 oz
75 kg2,645.547 oz
100 kg3,527.396 oz
150 kg5,291.094 oz
200 kg7,054.792 oz
250 kg8,818.49 oz
500 kg17,636.98 oz
1,000 kg35,273.96 oz

Ounces to kilograms (reverse)

Ounces (oz)Kilograms (kg)
1 oz0.02834952 kg
2 oz0.05669905 kg
5 oz0.1417476 kg
10 oz0.2834952 kg
20 oz0.5669905 kg
50 oz1.417476 kg
100 oz2.834952 kg
250 oz7.087381 kg
500 oz14.17476 kg
1,000 oz28.34952 kg

About the kilogram and the ounce

The kilogram is the SI base unit of mass. Since May 2019 it has been defined using the Planck constant instead of the old platinum-iridium cylinder kept near Paris. It is used for body weight and groceries in most countries.

The avoirdupois ounce is one sixteenth of a pound. It appears on US food packaging, postal rates and kitchen scales. Fluid ounces measure volume and are a different unit, and precious metals use the heavier troy ounce of 31.1035 grams.

One kilogram equals 35.27396 ounces, which makes the kilogram the heavier unit of the two.

Everyday sizes in kilograms and ounces

Everyday example (approximate)In kilogramsIn ounces
A US stick of butter0.113 kg3.986 oz
A smartphone0.19 kg6.7021 oz
A liter of water1 kg35.274 oz
A newborn baby3.4 kg119.93 oz
A bowling ball (maximum)7.26 kg256.09 oz
An average adult75 kg2,645.5 oz

Kilograms to ounces FAQ

How many ounces are in one kilogram?

One kilogram equals exactly 35.27396195 ounces. In the other direction, one ounce equals 0.028349523 kilograms.

How do I convert kilograms to ounces without a calculator?

convert 15 kilograms to ounces. Using ounces ← kilograms × 35.27396195, we get 15 × 35.27396195 = 529.10943 oz. To check the result, convert back: 529.10943 oz ÷ 35.27396195 = 15 kg. For a quick estimate, round the factor to 35. Then 15 kg is about 525 oz, compared with the exact 529.109 oz (an error of 0.78%). That is close enough for planning, but use the calculator above when the number matters.

What is a US stick of butter in ounces?

A US stick of butter is about 0.113 kilograms, which is 3.986 ounces. Treat that as an approximate everyday figure rather than an official measurement.

Are the kilograms and ounces the same in every country?

The kilogram is defined from the Planck constant, so it is the same everywhere. The avoirdupois ounce is exactly 28.349523125 g; the troy ounce (31.1035 g) is a different unit used for gold and silver.

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