In 1 ounces there are 0.004464 stones. Meanwhile in 1 stones there are 224 ounces. Keep reading to learn more about each unit of measure and how they are calculated. Or just use the Stones to Ounces calculator above to convert any number.
* Values rounded to 6 decimal places for readability
To convert ounces to stones, use the UK weight standard where 1 stone = 14 pounds = 224 ounces. This unit is still common in the UK and Ireland, often written as stones and pounds (for example, 12 st 6 lb).
Conversion formula (ounces to stones):
Quick steps:
Example:
There are 224 ounces in 1 stone (st).
Use this formula: stones = ounces ÷ 224.
Divide the number of ounces by 224.
Example: 560 oz ÷ 224 = 2.5 st.
There are 0.0044642857 stones in 1 ounce (1 ÷ 224).
The stone is mostly used in the UK and Ireland to talk about body weight. It’s not a common everyday unit in the US, where pounds are used more often.
In daily use, ounces and stones describe weight. In science, they are units of mass under standard definitions. Most people use them for body weight or food weight.
Yes. These conversions use the avoirdupois system, where 1 pound = 16 ounces and 1 stone = 14 pounds. That’s why 1 stone = 224 ounces.
No. A fluid ounce measures volume, not weight. Stones are a weight unit, so you need ounces by weight (avoirdupois ounces), not fluid ounces.
1 stone equals 14 pounds, and 1 pound equals 16 ounces.
Steps:
Example: 350 oz
For most uses:
Yes. The math works the same way: stones = ounces ÷ 224. Negative values are used in some data and lab work, but they don’t make sense for body weight.
Stones are still common in the UK and Ireland for personal weight. People often say weight in stones and pounds, like 10 st 6 lb.
Use 224 oz per stone and estimate:
Example: 392 oz
224 oz (1 st) + 112 oz (0.5 st) + 56 oz (0.25 st) = 392 oz
Result: 1.75 st
The Calculate Box tool to convert ounces to stones uses the open source script Convert.js to convert units of measurement. To use this tool, simply type a ounces value in the box and have it instantly converted to stones.