Convert Kilometer to Barleycorn
Convert kilometers to barleycorns instantly. 1 kilometer = 118110.2357554715 barleycorn — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Barleycorn to Kilometer converter for the reverse conversion.
Units explained
Kilometer
A kilometer is a metric unit of length equal to one thousand meters. It is the standard unit for measuring road distances, geographic distances, and other large-scale measurements in metric countries.
The kilometer was defined alongside the meter in 1795 using the standard SI prefix kilo- (from Greek chilioi, "thousand"), denoting one thousand units.
Kilometers are used worldwide (except the United States and a few others) for road signage, geographic distance, athletic events, and scientific distances at planetary scale. Speed limits in most countries are given in km/h.
Adopted 1795 in France as part of the original metric system; the kilometer became the global standard for road and geographic distance through the 19th and 20th century metric adoption.
Barleycorn
A barleycorn is an Imperial unit of length equal to one third of an inch (about 8.47 mm). It is the basis of UK shoe sizing and is one of the oldest English length units still in use.
The barleycorn derives from the average length of a grain of barley as a natural reference. Standardised at exactly 1/3 inch by the Statute of Edward II in 1324, which used three barleycorns to define an inch.
Barleycorns are the foundation of UK and US children's shoe sizing — each whole size differs by one barleycorn. Also occasionally referenced in horse-handling and historical English literature.
Standardised in 1324 by the Statute of Edward II at 1/3 inch; the value became exact in 1959 when the inch was fixed at 25.4 mm.
Kilometer to Barleycorn conversion formula
The relationship between kilometers and barleycorns:
To convert kilometers to barleycorns, multiply the value in kilometers by 118110.2357554715. To reverse, multiply barleycorns by 8.466667e-6.
How to use this converter
Type a value into the calculator. The result in barleycorns updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Barleycorn to Kilometer converter for the reverse direction.
Step-by-step: convert kilometers to barleycorns
- Write down the value in kilometers (km).
- Multiply that value by the factor 118110.2357554715.
- The product is the equivalent value in barleycorns (barleycorn).
- To reverse, multiply the barleycorn value by 8.466667e-6.
Worked examples
Example 1 — Convert 1 km to barleycorn:
1 × 118110.2357554715 = 118110.2357554715 barleycorn
Example 2 — Convert 100 km to barleycorn:
100 × 118110.2357554715 = 1.181102e+7 barleycorn
Real-world example — Geographic to architectural scale
One kilometer equals 100,000 barleycorns. Map scales use this when an architectural site plan (in the smaller unit) must be related to road-network plans (in the larger unit) on the same drawing.
1 km × 118110.2357554715 = 118110.2357554715 barleycorn
Real-world example — Geographic to architectural conversion
One kilometer equals 100,000 barleycorns. The conversion bridges geographic-scale survey work and architectural-scale building plans on the same drawing.
1 km × 118110.2357554715 = 118110.2357554715 barleycorn
Kilometer to Barleycorn conversion table
Standard reference values for converting kilometers to barleycorns:
| Kilometer [km] | Barleycorn [barleycorn] |
|---|---|
| 0.01 | 1181.1023575547 |
| 0.1 | 11811.0235755472 |
| 1 | 118110.2357554715 |
| 2 | 236220.471510943 |
| 3 | 354330.7072664145 |
| 4 | 472440.9430218861 |
| 5 | 590551.1787773576 |
| 10 | 1181102.3575547151 |
| 20 | 2362204.7151094303 |
| 30 | 3543307.0726641454 |
| 40 | 4724409.4302188605 |
| 50 | 5905511.7877735756 |
| 100 | 1.181102e+7 |
| 500 | 5.905512e+7 |
| 1000 | 1.181102e+8 |
Frequently asked questions
How many barleycorns is 1 kilometer?
How do I convert kilometers to barleycorns?
How do I convert barleycorns back to kilometers?
How many barleycorns is 100 kilometers?
Popular length unit conversions
Convert Kilometer to other length units
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Metric / SI (17 units)
Imperial / US Customary (27 units)
Nautical (1 units)
Astronomical (9 units)
Atomic / Physics (6 units)
Typographic (3 units)
Sources & references
Conversion factor (1 km = 118110.2357554715 barleycorn) 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.