Convert Stone (US) to Quarter (UK)
Convert stones (us) to quarters (uk) instantly. 1 stone (us) = 0.4464285714 quarter (uk) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Quarter (UK) to Stone (US) converter for the reverse conversion.
Units explained
Stone (US)
A less common US definition of the stone, about 5.67 kilograms.
A variant stone weight used in some historical US trade.
Rare; appears mainly in historical or specialized contexts.
Derived from older English stone weights that varied by commodity.
Quarter (UK)
The UK quarter equals one-fourth of a long hundredweight, 28 pounds (about 12.7 kg).
A 'quarter' of the hundredweight in the British imperial system.
Historical British trade in coal, grain, and agricultural goods.
Defined within the imperial hundredweight system.
Stone (US) to Quarter (UK) conversion formula
The relationship between stones (us) and quarters (uk):
To convert stones (us) to quarters (uk), multiply the value in stones (us) by 0.4464285714. To reverse, multiply quarters (uk) by 2.24.
How to use this converter
Type a value into the calculator. The result in quarters (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 Quarter (UK) to Stone (US) converter for the reverse direction.
Step-by-step: convert stones (us) to quarters (uk)
- Write down the value in stones (us) (st).
- Multiply that value by the factor 0.4464285714.
- The product is the equivalent value in quarters (uk) (qr).
- To reverse, multiply the quarter (uk) value by 2.24.
Worked examples
Example 1 — Convert 1 st to qr:
1 × 0.4464285714 = 0.4464285714 qr
Example 2 — Convert 100 st to qr:
100 × 0.4464285714 = 44.6428571429 qr
Real-world example — Reference scenario in case of fallback
Conversion between human-scale length units is the everyday workflow of architecture, athletics, and apparel design — three of the most common contexts that span metric and imperial systems.
1 st × 0.4464285714 = 0.4464285714 qr
Real-world example — Adult height conversion
A 1.8-stone (us)-tall person measures a value in quarters (uk) that converts the height to the unit favoured by American forms, schools, or driver's licences. This is daily routine for anyone living between metric and imperial systems.
1.8 st × 0.4464285714 = 0.8035714286 qr
Real-world example — Fabric purchase length
Two stones (us) of fabric equals a value in quarters (uk) essential for tailors and textile buyers sourcing material from international suppliers that quote in different units.
2 st × 0.4464285714 = 0.8928571429 qr
Stone (US) to Quarter (UK) conversion table
Standard reference values for converting stones (us) to quarters (uk):
| Stone (US) [st] | Quarter (UK) [qr] |
|---|---|
| 0.01 | 0.0044642857 |
| 0.1 | 0.0446428571 |
| 1 | 0.4464285714 |
| 2 | 0.8928571429 |
| 3 | 1.3392857143 |
| 4 | 1.7857142857 |
| 5 | 2.2321428571 |
| 10 | 4.4642857143 |
| 20 | 8.9285714286 |
| 30 | 13.3928571429 |
| 40 | 17.8571428571 |
| 50 | 22.3214285714 |
| 100 | 44.6428571429 |
| 500 | 223.2142857143 |
| 1000 | 446.4285714286 |
Frequently asked questions
How many quarters (uk) is 1 stone (us)?
How do I convert stones (us) to quarters (uk)?
How do I convert quarters (uk) back to stones (us)?
How many quarters (uk) is 100 stones (us)?
Popular weight unit conversions
Convert Stone (US) to other weight units
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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 st = 0.4464285714 qr) 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 Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.