Convert Quarter (UK) to Grain
Convert quarters (uk) to grains instantly. 1 quarter (uk) = 196000.0302474271 grain — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Grain 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.
Grain
The grain (gr) equals 1/7000 of an avoirdupois pound, about 64.8 milligrams.
Based on the nominal mass of a single barley grain.
Ammunition and bullet mass, archery, and historical pharmacy.
Standardized through the English avoirdupois system and retained in 1959.
Quarter (UK) to Grain conversion formula
The relationship between quarters (uk) and grains:
To convert quarters (uk) to grains, multiply the value in quarters (uk) by 196000.0302474271. To reverse, multiply grains by 5.10204e-6.
How to use this converter
Type a value into the calculator. The result in grains updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Grain to Quarter (UK) converter for the reverse direction.
Step-by-step: convert quarters (uk) to grains
- Write down the value in quarters (uk) (qr).
- Multiply that value by the factor 196000.0302474271.
- The product is the equivalent value in grains (gr).
- To reverse, multiply the grain value by 5.10204e-6.
Worked examples
Example 1 — Convert 1 qr to gr:
1 × 196000.0302474271 = 196000.0302474271 gr
Example 2 — Convert 100 qr to gr:
100 × 196000.0302474271 = 1.96e+7 gr
Quarter (UK) to Grain conversion table
Standard reference values for converting quarters (uk) to grains:
| Quarter (UK) [qr] | Grain [gr] |
|---|---|
| 0.01 | 1960.0003024743 |
| 0.1 | 19600.0030247427 |
| 1 | 196000.0302474271 |
| 2 | 392000.0604948541 |
| 3 | 588000.0907422812 |
| 4 | 784000.1209897082 |
| 5 | 980000.1512371353 |
| 10 | 1960000.3024742706 |
| 20 | 3920000.6049485411 |
| 30 | 5880000.9074228117 |
| 40 | 7840001.2098970823 |
| 50 | 9800001.5123713538 |
| 100 | 1.96e+7 |
| 500 | 9.800002e+7 |
| 1000 | 1.96e+8 |
Frequently asked questions
How many grains is 1 quarter (uk)?
How do I convert quarters (uk) to grains?
How do I convert grains back to quarters (uk)?
How many grains 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 = 196000.0302474271 gr) 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.