---
title: "Ounces to Stone — oz to st converter"
description: "1 ounce = 0.0044643 stone. Convert ounces to stone with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/oz-to-stone/
site: "At One Place"
---

# Ounces to stone

**1 ounce in stone: 1 oz = 0.0044643 st**

st = oz × 0.004464285714

To convert ounces to stone, multiply by 0.004464285714. The table below gives the values people look up most often, and the converter works for any number.

## Ounces to stone table

*Common ounce values converted to stone.*

| Ounces | Stone |
| --- | --- |
| 1 oz | 0.0044643 |
| 2 oz | 0.0089286 |
| 3 oz | 0.013393 |
| 4 oz | 0.017857 |
| 5 oz | 0.022321 |
| 10 oz | 0.044643 |
| 15 oz | 0.066964 |
| 20 oz | 0.089286 |
| 25 oz | 0.11161 |
| 30 oz | 0.13393 |
| 40 oz | 0.17857 |
| 50 oz | 0.22321 |
| 75 oz | 0.33482 |
| 100 oz | 0.44643 |
| 250 oz | 1.116071 |
| 500 oz | 2.232143 |
| 1,000 oz | 4.464286 |

## How the conversion works

The relationship is st = oz × 0.004464285714. 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

### How many stone are in one ounce?

One ounce equals 0.0044643 stone. st = oz × 0.004464285714.

### How do you convert ounces to stone?

Use st = oz × 0.004464285714. So 10 oz is 0.044643 st.

### How many ounces are in one stone?

One stone equals 224 ounces, which is the reverse of the conversion above.

## Related pages

- [Stone to Ounces](https://atoneplace.net/convert/stone-to-oz/)
- [Ounces to Kilograms](https://atoneplace.net/convert/oz-to-kg/)
- [Ounces to Grams](https://atoneplace.net/convert/oz-to-grams/)
- [Ounces to Milligrams](https://atoneplace.net/convert/oz-to-mg/)
- [Ounces to Tonnes](https://atoneplace.net/convert/oz-to-tonnes/)
- [Ounces to Pounds](https://atoneplace.net/convert/oz-to-lbs/)

## 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/)