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Ounce to Stone Converter

Type a value — the answer appears instantly. 1 oz = 0.00446429 st.

Reviewed by the OmniCalc teamMethod verified 2026-07-01

From unit

To unit
Result

0.00446429 stone

= 0.0283495 kg= 0.0625 lb

equals 0.00446429 stone

Formula: st = oz × 0.0044642857

Ounce to Stone formula

st = oz × 0.0044642857

Convert 5 ounces to stone

  1. Start with 5 ounces.
  2. Multiply by the conversion factor: 5 × 0.00446429 = 0.0223214.
  3. So 5 oz = 0.0223214 st.

Ounce to Stone conversion table

Ounce to Stone conversion table
Ounces (oz)Stone (st)
0.01 oz0.0000446429 st
0.1 oz0.000446429 st
0.25 oz0.00111607 st
0.5 oz0.00223214 st
1 oz0.00446429 st
2 oz0.00892857 st
3 oz0.0133929 st
4 oz0.0178571 st
5 oz0.0223214 st
6 oz0.0267857 st
7 oz0.03125 st
8 oz0.0357143 st
9 oz0.0401786 st
10 oz0.0446429 st
15 oz0.0669643 st
20 oz0.0892857 st
25 oz0.111607 st
30 oz0.133929 st
40 oz0.178571 st
50 oz0.223214 st
75 oz0.334821 st
100 oz0.446429 st
250 oz1.11607 st
500 oz2.23214 st
1,000 oz4.46429 st
5,000 oz22.3214 st
10,000 oz44.6429 st

Unit definitions

What is a ounce?

The avoirdupois ounce is one sixteenth of a pound, about 28.35 grams. It is common in the United States for food portions, packaged goods, and postal weights. It should not be confused with the troy ounce used for precious metals.

What is a stone?

The stone is a British imperial unit equal to fourteen pounds, or about 6.35 kilograms. It is still widely used in the United Kingdom and Ireland to express body weight. Its plural form is usually left as 'stone' rather than 'stones'.

Frequently asked questions

How many stone are in one ounce?

One ounce equals 0.00446429 stone (1 oz = 0.00446429 st).

How do I convert ounces to stone?

Multiply the value in ounces by 0.00446429. For example, 10 oz × 0.00446429 = 0.0446429 st.

Which is bigger — a ounce or a stone?

A stone is bigger: one stone contains 224 ounces.

Is this ounce to stone converter free?

Yes — the converter is free, works offline once loaded, and computes instantly in your browser without sending your numbers to a server.

Conversion factors follow international definitions (SI / NIST). Last verified 2026-07-01.