Pounds to Stone (lb → st)
Formula
1 lb = 0.07142857142857142 stConversion Table
| lb | st |
|---|---|
| 0 | 0 |
| 1.0000 | 0.071429 |
| 2.0000 | 0.14286 |
| 3.0000 | 0.21429 |
| 4.0000 | 0.28571 |
| 5.0000 | 0.35714 |
| 6.0000 | 0.42857 |
| 7.0000 | 0.50000 |
| 8.0000 | 0.57143 |
| 9.0000 | 0.64286 |
| 10.000 | 0.71429 |
| 11.000 | 0.78571 |
| 12.000 | 0.85714 |
| 13.000 | 0.92857 |
| 14.000 | 1.0000 |
| 15.000 | 1.0714 |
| 16.000 | 1.1429 |
| 17.000 | 1.2143 |
| 18.000 | 1.2857 |
| 19.000 | 1.3571 |
| lb | st |
|---|---|
| 20.000 | 1.4286 |
| 21.000 | 1.5000 |
| 22.000 | 1.5714 |
| 23.000 | 1.6429 |
| 24.000 | 1.7143 |
| 25.000 | 1.7857 |
| 26.000 | 1.8571 |
| 27.000 | 1.9286 |
| 28.000 | 2.0000 |
| 29.000 | 2.0714 |
| 30.000 | 2.1429 |
| 31.000 | 2.2143 |
| 32.000 | 2.2857 |
| 33.000 | 2.3571 |
| 34.000 | 2.4286 |
| 35.000 | 2.5000 |
| 36.000 | 2.5714 |
| 37.000 | 2.6429 |
| 38.000 | 2.7143 |
| 39.000 | 2.7857 |
| lb | st |
|---|---|
| 40.000 | 2.8571 |
| 41.000 | 2.9286 |
| 42.000 | 3.0000 |
| 43.000 | 3.0714 |
| 44.000 | 3.1429 |
| 45.000 | 3.2143 |
| 46.000 | 3.2857 |
| 47.000 | 3.3571 |
| 48.000 | 3.4286 |
| 49.000 | 3.5000 |
| 50.000 | 3.5714 |
| 51.000 | 3.6429 |
| 52.000 | 3.7143 |
| 53.000 | 3.7857 |
| 54.000 | 3.8571 |
| 55.000 | 3.9286 |
| 56.000 | 4.0000 |
| 57.000 | 4.0714 |
| 58.000 | 4.1429 |
| 59.000 | 4.2143 |
| lb | st |
|---|---|
| 60.000 | 4.2857 |
| 61.000 | 4.3571 |
| 62.000 | 4.4286 |
| 63.000 | 4.5000 |
| 64.000 | 4.5714 |
| 65.000 | 4.6429 |
| 66.000 | 4.7143 |
| 67.000 | 4.7857 |
| 68.000 | 4.8571 |
| 69.000 | 4.9286 |
| 70.000 | 5.0000 |
| 71.000 | 5.0714 |
| 72.000 | 5.1429 |
| 73.000 | 5.2143 |
| 74.000 | 5.2857 |
| 75.000 | 5.3571 |
| 76.000 | 5.4286 |
| 77.000 | 5.5000 |
| 78.000 | 5.5714 |
| 79.000 | 5.6429 |
Pounds to Stone Conversion
Converting Pounds (lb) to Stone (st) is a common weight conversion. 1 lb equals 0.071429 st. For example, 100 lb is equal to 7.142857 st.
Quick Mental Math: Pounds to Stone
Use dimensional analysis: track units through each multiplication step.
Why is converting Pounds to Stone tricky?
Without explicit unit tracking, conversions degrade into number-only arithmetic.
Quick Reference Values
1 lb = 0.071429 st. 5 lb = 0.357143 st. 10 lb = 0.714286 st. 25 lb = 1.785714 st. 50 lb = 3.571429 st. 100 lb = 7.142857 st.
What is Pounds?
Pounds (lb) is a unit of weight. A pound (lb) is a unit of mass equal to 0.45359237 kilograms exactly, as defined by international agreement. It is used primarily in the United States and countries employing the imperial system to measure body weight, food products, and industrial materials [nist-si-guide]. The pound is subdivided into 16 ounces. The pound traces back to Roman libra units, evolving through medieval English measures. The international avoirdupois pound was standardized in 1959 by the United States, United Kingdom, and other anglophone countries to harmonize measurements [nist-si-guide]. The pound remains in use in the US, Liberia, and Myanmar for everyday mass measurement. It is common in commerce, health, and transportation sectors despite SI units predominating globally [bipm-si-brochure].
What is Stone?
Stone (st) is a unit of weight. The stone is a British unit of mass equal to exactly 6.35029 kilograms. It is primarily used for measuring body weight in the UK and Ireland. The stone is recognized by British Imperial and US customary systems but is not part of the SI [nist-sp-811]. The stone originated in England around the 14th century as a trading weight, varying by region and commodity. It was standardized to 14 pounds (6.35029 kg) in the 19th century to unify weights in commerce [nist-sp-811]. The stone remains in common use for body weight in the UK, Ireland, and some Commonwealth countries. It is not used in scientific or medical contexts, which prefer kilograms [nist-sp-811].
Common Misspellings
People often search for this conversion using these alternate spellings: lbs, pound, punds, pnd, stones, stne, ston, stonne. All of these refer to the Pounds to Stone conversion.