acalculator

How do I convert kg to oz?

Type a value in either box, and the answer shows it in the other unit as you type.

Your numbers

Ounces (oz)
35.273962

1 kg = 35.273962 oz.

Ounces (oz): 35.273962. 1 kg = 35.273962 oz.

Ounces (oz) by kilograms (kg)

How to calculate

Converts kilograms (kg) to ounces (oz) and back, with the exact unit definitions.

Example with the default inputs (Kilograms (kg) 1): 1 kg = 35.273962 oz.

Formula: oz = kg × 35.2739619496 (the same as kg ÷ 0.028349523125)

  • 1 kilogram = 35.2739619496 ounces, from the exact definitions in NIST SP 811.
  • Ounces here are avoirdupois ounces, a weight: 1 oz = 1/16 lb = 28.349523125 g. A US fluid ounce is a volume.
  • The answer shows at most 6 decimal places; the calculation keeps full precision.

Machine-readable copies: Markdown, JSON.

Worked examples

Each example is checked against the calculator on every build.

  1. Kilograms (kg) 1 gives Ounces (oz) 35.273962.Source: Exact unit definitions in NIST SP 811 (2008), Appendix B.8
  2. Kilograms (kg) 2.5 gives Ounces (oz) 88.184905.Source: Exact unit definitions in NIST SP 811 (2008), Appendix B.8
  3. Ounces (oz) 88.184905 gives Kilograms (kg) 2.5.Source: Exact unit definitions in NIST SP 811 (2008), Appendix B.8

Other questions people ask

How many ounces are in a kilogram?

1 kilogram is 35.273962 ounces, from the exact unit definitions (NIST SP 811).

How do I convert kg to oz?

Multiply by 35.273962: oz = kg × 35.2739619496 (the same as kg ÷ 0.028349523125). For example, 1 kg × 35.273962 = 35.273962 oz.

How do I convert oz back to kg?

Multiply by 0.02835, or type the ounces into the second box and the converter works it out. 1 ounce is 0.02835 kilograms.

Is an ounce here a weight or a volume?

A weight: the avoirdupois ounce, 1/16 of a pound (28.349523125 g exactly). A US fluid ounce (29.57 mL) measures volume, as on cups-to-ounces pages.