# What is 1 kg to oz?

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

- Page: https://www.acalculator.org/convert/1-kg-to-oz
- JSON spec: https://www.acalculator.org/convert/1-kg-to-oz.json
- Version: b8ea578256ff

## Default answer

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

## Inputs

| Key | Label | Description |
| --- | --- | --- |
| value | Kilograms (kg) | The amount in kilograms to convert. |
| result | Ounces (oz) | The same amount in ounces. |

## Outputs

| Key | Label | Description |
| --- | --- | --- |
| value | Kilograms (kg) | The amount in kilograms to convert. |
| result | Ounces (oz) | The amount in ounces. |

## Method

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

## Assumptions

- 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.

## Worked examples

1. value = 1 gives result = 35.273962. Source: Exact unit definitions in NIST SP 811 (2008), Appendix B.8.
2. value = 2.5 gives result = 88.184905. Source: Exact unit definitions in NIST SP 811 (2008), Appendix B.8.
3. result = 88.184905 gives value = 2.5. Source: Exact unit definitions in NIST SP 811 (2008), Appendix B.8.

## FAQ

### What is 1 kg in oz?

1 kg is 35.273962 oz. The formula is oz = kg × 35.2739619496 (the same as kg ÷ 0.028349523125).

### 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.

## Sources

- NIST SP 811 (2008), Guide for the Use of the International System of Units, Appendix B.8. https://www.nist.gov/pml/special-publication-811