Convert Quarter (UK) to Kilogram
Convert quarters (uk) to kilograms instantly. 1 quarter (uk) = 12.70058636 kilogram — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Kilogram to Quarter (UK) converter for the reverse conversion.
Units explained
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.
Kilogram
The kilogram (kg) is the SI base unit of mass, defined by fixing the Planck constant h at 6.62607015E-34 J s.
From Greek 'khilioi' (thousand) plus 'gramma' (small weight).
The worldwide base unit of mass in science, commerce, and everyday life.
Adopted in 1795; redefined through the Planck constant on 20 May 2019.
Quarter (UK) to Kilogram conversion formula
The relationship between quarters (uk) and kilograms:
To convert quarters (uk) to kilograms, multiply the value in quarters (uk) by 12.70058636. To reverse, multiply kilograms by 0.0787365222.
How to use this converter
Type a value into the calculator. The result in kilograms updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Kilogram to Quarter (UK) converter for the reverse direction.
Step-by-step: convert quarters (uk) to kilograms
- Write down the value in quarters (uk) (qr).
- Multiply that value by the factor 12.70058636.
- The product is the equivalent value in kilograms (kg).
- To reverse, multiply the kilogram value by 0.0787365222.
Worked examples
Example 1 — Convert 1 qr to kg:
1 × 12.70058636 = 12.70058636 kg
Example 2 — Convert 100 qr to kg:
100 × 12.70058636 = 1270.058636 kg
Quarter (UK) to Kilogram conversion table
Standard reference values for converting quarters (uk) to kilograms:
| Quarter (UK) [qr] | Kilogram [kg] |
|---|---|
| 0.01 | 0.1270058636 |
| 0.1 | 1.270058636 |
| 1 | 12.70058636 |
| 2 | 25.40117272 |
| 3 | 38.10175908 |
| 4 | 50.80234544 |
| 5 | 63.5029318 |
| 10 | 127.0058636 |
| 20 | 254.0117272 |
| 30 | 381.0175908 |
| 40 | 508.0234544 |
| 50 | 635.029318 |
| 100 | 1270.058636 |
| 500 | 6350.29318 |
| 1000 | 12700.58636 |
Frequently asked questions
How many kilograms is 1 quarter (uk)?
How do I convert quarters (uk) to kilograms?
How do I convert kilograms back to quarters (uk)?
How many kilograms is 100 quarters (uk)?
Popular weight unit conversions
Convert Quarter (UK) to other weight units
Show all Quarter (UK) 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 qr = 12.70058636 kg) 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.