3 st to kg — 3 stone in kilograms
Exact 3 × 6.350293 = 19.05088
19 kilograms 50 grams 879 milligrams
3 stone in other units
| Milligrams | 19,050,879.54 | mg |
|---|---|---|
| Grams | 19,050.88 | g |
| Kilograms | 19.05088 | kg |
| Tonnes | 0.01905088 | t |
| Grains | 294,000 | grain |
| Carats | 95,254.4 | ct |
| Ounces | 672 | oz |
| Pounds | 42 | lb |
| Short tons | 0.021 | short ton |
| Long tons | 0.01875 | long ton |
st to kg at a glance
| Stone | Kilograms |
|---|---|
| 1 st | 6.350293 kg |
| 2 st | 12.700586 kg |
| 3 st | 19.05088 kg |
| 5 st | 31.751466 kg |
| 10 st | 63.502932 kg |
| 20 st | 127.005864 kg |
| 25 st | 158.75733 kg |
| 50 st | 317.514659 kg |
| 100 st | 635.029318 kg |
| 250 st | 1,587.57 kg |
| 500 st | 3,175.15 kg |
| 1,000 st | 6,350.29 kg |
How to convert stone to kilograms
Multiply by 6.350293 — one stone is 6.350293 kilograms. 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 3 × 6.350293 = 19.05088
In words: about nineteen kilograms.
What these units are
The stone and the kilogram are covered in the weight unit guide, along with every other unit on this page.
Questions
How many kilograms are in a stone?
One stone is 6.350293 kilograms. This figure is exact — it comes from the definition of the unit, not a measurement.
What is 3 stone in kilograms?
3 stone is 19.05088 kilograms. The working is 3 × 6.350293 = 19.05088.
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.