---
title: "1 oz to kg = 0.02835 kg"
description: "1 ounce is 0.02835 kilograms. The arithmetic, a table of nearby values, and a converter for any other number."
url: https://atoneplace.net/convert/1-oz-to-kg/
site: "At One Place"
---

# 1 oz to kg

**1 ounce in kilograms: 1 oz = 0.02835 kg**

kg = oz × 0.02834952313

1 ounce is 0.02835 kilograms. To get there, multiply by 0.02834952313.

## Values either side

*Ounces near 1, converted to kilograms.*

| Ounces | Kilograms |
| --- | --- |
| 0.5 oz | 0.014175 |
| 1 oz ← | 0.02835 |
| 1.5 oz | 0.042524 |
| 2 oz | 0.056699 |
| 2.5 oz | 0.070874 |
| 3 oz | 0.085049 |

## How the conversion works

The relationship is kg = oz × 0.02834952313. Both units measure mass, so the conversion is a fixed factor that never changes. The figure is exact rather than approximate: since the international yard and pound agreement of 1959, an inch is defined as exactly 25.4 millimetres and a pound as exactly 0.45359237 kilograms, and every other imperial and US customary unit here is derived from those two.

## Common questions

### What is 1 oz in kilograms?

1 oz is 0.02835 kg.

### How do you convert ounces to kilograms?

Multiply by 0.02834952313.

## Related pages

- [Ounces to kilograms](https://atoneplace.net/convert/oz-to-kg/)
- [1 kg to oz](https://atoneplace.net/convert/1-kg-to-oz/)
- [0.5 oz to kg](https://atoneplace.net/convert/0-5-oz-to-kg/)
- [1.5 oz to kg](https://atoneplace.net/convert/1-5-oz-to-kg/)
- [2 oz to kg](https://atoneplace.net/convert/2-oz-to-kg/)
- [2.5 oz to kg](https://atoneplace.net/convert/2-5-oz-to-kg/)
- [3 oz to kg](https://atoneplace.net/convert/3-oz-to-kg/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)