20 oz to st — 20 ounces in stone
Exact 20 ÷ 224 = 0.08928571
566 grams 990 milligrams
20 ounces in other units
| Milligrams | 566,990.46 | mg |
|---|---|---|
| Grams | 566.990463 | g |
| Kilograms | 0.56699046 | kg |
| Tonnes | 0.000566990463 | t |
| Grains | 8,750 | grain |
| Carats | 2,834.95 | ct |
| Pounds | 1.25 | lb |
| Stone | 0.08928571 | st |
| Short tons | 0.000625 | short ton |
| Long tons | 0.000558035714 | long ton |
oz to st at a glance
| Ounces | Stone |
|---|---|
| 1 oz | 0.004464285714 st |
| 2 oz | 0.008928571429 st |
| 3 oz | 0.01339286 st |
| 5 oz | 0.02232143 st |
| 10 oz | 0.04464286 st |
| 20 oz | 0.08928571 st |
| 25 oz | 0.11160714 st |
| 50 oz | 0.22321429 st |
| 100 oz | 0.44642857 st |
| 250 oz | 1.116071 st |
| 500 oz | 2.232143 st |
| 1,000 oz | 4.464286 st |
How to convert ounces to stone
Multiply by 0.004464285714 — one ounce is 0.004464285714 stone. That factor is exact: it comes from the definition of the units rather than from a measurement, so it will not change and does not need rounding.
Working 20 ÷ 224 = 0.08928571
What these units are
The ounce and the stone are covered in the weight unit guide, along with every other unit on this page.
Questions
How many stone are in a ounce?
One ounce is 0.004464285714 stone. This figure is exact — it comes from the definition of the unit, not a measurement.
What is 20 ounces in stone?
20 ounces is 0.08928571 stone. The working is 20 ÷ 224 = 0.08928571.
Is a ton the same everywhere?
No, and the gap is wide enough to matter on an invoice. A tonne is 1,000 kg. A US short ton is 907.18474 kg. A UK long ton is 1,016.0469088 kg. Shipping quotes that say only "ton" are worth querying.
What is the difference between weight and mass?
Mass is how much matter something contains and does not change. Weight is the force gravity applies to that mass, so it changes with location. Everyday use treats them as one thing, and every unit on this page is really a unit of mass.
Why is the pound exactly 0.45359237 kilograms?
Because the countries still using the pound agreed in 1959 to define it against the kilogram rather than maintain a separate physical standard. The figure is a definition, so it never rounds and never drifts.
How do I read weight in stone and pounds?
One stone is 14 pounds. British body weight is usually given as stone plus a remainder, so 11 st 4 lb means 158 pounds, or about 71.7 kg.