Convert Hundredweight (US) to Stone (UK)
Convert hundredweights (us) to stones (uk) instantly. 1 hundredweight (us) = 7.1428571429 stone (uk) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Stone (UK) to Hundredweight (US) converter for the reverse conversion.
Units explained
Hundredweight (US)
The US (short) hundredweight equals 100 pounds, about 45.36 kilograms.
The American 'hundred'-pound commercial weight (also called the cental).
US commodity trade in grain, livestock feed, and produce.
Standardized at 100 pounds in US customary units.
Stone (UK)
The UK stone (st) equals 14 pounds, about 6.35 kilograms.
From standardized market 'stones' once used for weighing goods.
Body weight in the United Kingdom and Ireland.
Fixed at 14 pounds by British statute in 1835.
Hundredweight (US) to Stone (UK) conversion formula
The relationship between hundredweights (us) and stones (uk):
To convert hundredweights (us) to stones (uk), multiply the value in hundredweights (us) by 7.1428571429. To reverse, multiply stones (uk) by 0.14.
How to use this converter
Type a value into the calculator. The result in stones (uk) updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Stone (UK) to Hundredweight (US) converter for the reverse direction.
Step-by-step: convert hundredweights (us) to stones (uk)
- Write down the value in hundredweights (us) (cwt).
- Multiply that value by the factor 7.1428571429.
- The product is the equivalent value in stones (uk) (st).
- To reverse, multiply the stone (uk) value by 0.14.
Worked examples
Example 1 — Convert 1 cwt to st:
1 × 7.1428571429 = 7.1428571429 st
Example 2 — Convert 100 cwt to st:
100 × 7.1428571429 = 714.2857142857 st
Hundredweight (US) to Stone (UK) conversion table
Standard reference values for converting hundredweights (us) to stones (uk):
| Hundredweight (US) [cwt] | Stone (UK) [st] |
|---|---|
| 0.01 | 0.0714285714 |
| 0.1 | 0.7142857143 |
| 1 | 7.1428571429 |
| 2 | 14.2857142857 |
| 3 | 21.4285714286 |
| 4 | 28.5714285714 |
| 5 | 35.7142857143 |
| 10 | 71.4285714286 |
| 20 | 142.8571428571 |
| 30 | 214.2857142857 |
| 40 | 285.7142857143 |
| 50 | 357.1428571429 |
| 100 | 714.2857142857 |
| 500 | 3571.4285714286 |
| 1000 | 7142.8571428571 |
Frequently asked questions
How many stones (uk) is 1 hundredweight (us)?
How do I convert hundredweights (us) to stones (uk)?
How do I convert stones (uk) back to hundredweights (us)?
How many stones (uk) is 100 hundredweights (us)?
Popular weight unit conversions
Convert Hundredweight (US) to other weight units
Show all Hundredweight (US) conversions
Metric / SI (18 units)
Avoirdupois (14 units)
Troy & Apothecary (10 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Sources & references
Conversion factor (1 cwt = 7.1428571429 st) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.