Stone to Ounce Converter
Weight · unit-converter
Convert Stone to Ounce with a fixed input and output unit, step-by-step formula line, and reference tables. All calculations use gram-based factors (international avoirdupois pound and metric definitions). The full Weight Converter also includes carat, grain, and US/UK hundredweight.
Calculator
From: Stone (st)
To: Ounce (oz)
About Stone
The stone is 14 pounds (UK and Ireland). It is often used for human body weight in those regions.
About Ounce
The avoirdupois ounce is 1/16 of an avoirdupois pound (about 28.35 g). Cooking and postal weights often use ounces.
How to convert stone to ounces
1 stone is equal to 223.99999999999997 ounce:
1 st = (6350.29318 g ÷ 28.349523125 g) oz = 223.99999999999997 oz
Each stone is defined as 6350.29318 g and each ounce as 28.349523125 g, so one st equals 6350.29318 ÷ 28.349523125 oz = 223.99999999999997 oz.
Let w(st) be the numeric value of the same mass measured in Stone (st), and w(oz) the value in Ounce (oz). Then:
w(oz) = w(st) × (6350.29318 / 28.349523125)
Equivalently, divide by how many st fit into one oz (grams per oz divided by grams per st):
w(oz) = w(st) ÷ 0.00446428571429
Or: ounce = stone ÷ 0.00446428571429
Examples
Example #1: Convert 20 st to ounce
20 st = 20 st × (6350.29318/28.349523125) oz = 4480 oz
20 st = 20 st ÷ 0.00446428571429 = 4480 oz
Example #2: Convert 50 st to ounce
50 st = 50 st × (6350.29318/28.349523125) oz = 11200 oz
50 st = 50 st ÷ 0.00446428571429 = 11200 oz
Summary
To convert Stone to Ounce, multiply the value in st by the ratio of grams per st divided by grams per oz. Equivalently: value_oz = value_st × (6350.29318 / 28.349523125). Numerically, 1 st equals 223.99999999999997 oz.
Relationship context
Both units belong to imperial / UK (stone, long ton, pound, ounce). Relationships such as 16 oz per lb and 14 lb per stone are exact in the avoirdupois system; tons use fixed pound counts. This tool uses international definitions tied to the kilogram.
Conversion tables
| Stone (st) | Ounce (oz) |
|---|---|
| 0.1 | 22.4 |
| 1 | 224 |
| 2 | 448 |
| 3 | 672 |
| 4 | 896 |
| 5 | 1,120 |
| 6 | 1,344 |
| 7 | 1,568 |
| 8 | 1,792 |
| 9 | 2,016 |
| Stone (st) | Ounce (oz) |
|---|---|
| 10 | 2,240 |
| 20 | 4,480 |
| 30 | 6,720 |
| 40 | 8,960 |
| 50 | 11,200 |
| 60 | 13,440 |
| 70 | 15,680 |
| 80 | 17,920 |
| 90 | 20,160 |
| 100 | 22,400 |