Pounds to Stones Converter
Convert pounds to stones — fourteen pounds to the stone. Results update as you type; exact factors shown.
One pound is 0.0714 stones — see the exact factor, not a rounded rule of thumb.
How the pounds to stones converter works
Mass converts through the kilogram. The avoirdupois pound has been exactly 0.45359237 kg since 1959, so an ounce is 28.349523125 g and a stone (14 lb) is 6.35029318 kg. A US short ton is 2,000 lb; an imperial long ton is 2,240 lb; a metric tonne is 1,000 kg.
Australia is fully metric under the National Measurement Act 1960; imperial units appear only in trade with the US and in older documents.
Common mass conversions
| From | To | Units |
|---|---|---|
| 14 lb | 1 st | pounds to stones |
| 28 lb | 2 st | pounds to stones |
| 100 lb | 7.1429 st | pounds to stones |
| 112 lb | 8 st | pounds to stones |
| 126 lb | 9 st | pounds to stones |
| 140 lb | 10 st | pounds to stones |
| 154 lb | 11 st | pounds to stones |
| 168 lb | 12 st | pounds to stones |
| 180 lb | 12.8571 st | pounds to stones |
| 196 lb | 14 st | pounds to stones |
| 210 lb | 15 st | pounds to stones |
| 250 lb | 17.8571 st | pounds to stones |
Units in this converter and their exact factors
| Unit | Symbol | One unit in kilograms |
|---|---|---|
| milligram | mg | 0.000001 kilogram |
| gram | g | 0.001 kilogram |
| kilogram | kg | 1 kilogram |
| tonne (metric ton) | t | 1,000 kilogram |
| ounce | oz | 0.0283495231 kilogram |
| pound | lb | 0.45359237 kilogram |
| stone | st | 6.35029318 kilogram |
| US ton (short) | US ton | 907.18474 kilogram |
| imperial ton (long) | long ton | 1,016.0469088 kilogram |
FAQFrequently asked questions about mass conversion
How many pounds in a stone?
Fourteen.
What is 154 lb in stones?
Exactly 11 stone.
How do I read the decimal?
Multiply the fraction by 14 to get the leftover pounds.
Who uses stones?
Britain and Ireland, and almost only for body weight.
Where these figures come from
- BIPM — The International System of Units (SI Brochure, 9th edition) — definitions of the base and derived units.
- NIST Special Publication 811 — Guide for the Use of the International System of Units — the exact conversion factors used here.
- National Measurement Institute (NMI) — Australia's national measurement authority.
Last checked: September 2026. Conversion factors are fixed by definition and do not change with tax years or regulations.