30 lb to st — 30 pounds in stone
Exact 30 ÷ 14 = 2.142857
13 kilograms 607 grams 771 milligrams
30 pounds in other units
| Milligrams | 13,607,771.1 | mg |
|---|---|---|
| Grams | 13,607.77 | g |
| Kilograms | 13.607771 | kg |
| Tonnes | 0.01360777 | t |
| Grains | 210,000 | grain |
| Carats | 68,038.86 | ct |
| Ounces | 480 | oz |
| Stone | 2.142857 | st |
| Short tons | 0.015 | short ton |
| Long tons | 0.01339286 | long ton |
lb to st at a glance
| Pounds | Stone |
|---|---|
| 1 lb | 0.07142857 st |
| 2 lb | 0.14285714 st |
| 3 lb | 0.21428571 st |
| 5 lb | 0.35714286 st |
| 10 lb | 0.71428571 st |
| 20 lb | 1.428571 st |
| 25 lb | 1.785714 st |
| 50 lb | 3.571429 st |
| 100 lb | 7.142857 st |
| 250 lb | 17.857143 st |
| 500 lb | 35.714286 st |
| 1,000 lb | 71.428571 st |
How to convert pounds to stone
Multiply by 0.07142857 — one pound is 0.07142857 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 30 ÷ 14 = 2.142857
In words: about two stone.
What these units are
The pound 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 pound?
One pound is 0.07142857 stone. This figure is exact — it comes from the definition of the unit, not a measurement.
What is 30 pounds in stone?
30 pounds is 2.142857 stone. The working is 30 ÷ 14 = 2.142857.
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.