Convert Barleycorn to Meter
Convert barleycorns to meters instantly. 1 barleycorn = 0.0084666667 meter — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Meter to Barleycorn converter for the reverse conversion.
Units explained
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.
Meter
The meter is the SI base unit of length. Since 2019, the meter has been defined by fixing the numerical value of the speed of light in vacuum to exactly 299,792,458 meters per second. Every other SI length unit derives from the meter.
The meter was originally defined in 1793 by the French Academy of Sciences as one ten-millionth of the distance from the equator to the North Pole along a meridian through Paris. It has been redefined multiple times — by physical prototype, then by atomic transitions, and finally in 2019 by fundamental physical constants.
The meter is the international standard for length in science, engineering, construction, athletics, and everyday measurement in metric countries. It underpins definitions of area (m²), volume (m³), and most derived SI units.
Established 1793 in France; ratified internationally via the Metre Convention 1875; redefined in 1960, 1983, and most recently 2019 when the SI redefinition fixed it to the speed of light.
Barleycorn to Meter conversion formula
The relationship between barleycorns and meters:
To convert barleycorns to meters, multiply the value in barleycorns by 0.0084666667. To reverse, multiply meters by 118.1102357555.
How to use this converter
Type a value into the calculator. The result in meters updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Meter to Barleycorn converter for the reverse direction.
Step-by-step: convert barleycorns to meters
- Write down the value in barleycorns (barleycorn).
- Multiply that value by the factor 0.0084666667.
- The product is the equivalent value in meters (m).
- To reverse, multiply the meter value by 118.1102357555.
Worked examples
Example 1 — Convert 1 barleycorn to m:
1 × 0.0084666667 = 0.0084666667 m
Example 2 — Convert 100 barleycorn to m:
100 × 0.0084666667 = 0.84666667 m
Real-world example — Furniture and large objects
A 72-barleycorn piece of furniture converts to a value in meters that's easier to mentally compare with room dimensions. This is the typical workflow when shopping internationally and product specs use a different unit than your room measurements.
72 barleycorn × 0.0084666667 = 0.6096000024 m
Real-world example — Children's height milestones
A 150-barleycorn-tall child measures a value in meters that's commonly used for theme-park ride height requirements when travelling between countries that use different measurement units.
150 barleycorn × 0.0084666667 = 1.270000005 m
Real-world example — Body height conversion
You enter your height as 180 barleycorns into an international job or visa application. The form then asks for the same value in meters — converting between these adjacent units is one of the most-used length conversions globally.
180 barleycorn × 0.0084666667 = 1.524000006 m
Barleycorn to Meter conversion table
Standard reference values for converting barleycorns to meters:
| Barleycorn [barleycorn] | Meter [m] |
|---|---|
| 0.01 | 8.466667e-5 |
| 0.1 | 0.0008466667 |
| 1 | 0.0084666667 |
| 2 | 0.0169333334 |
| 3 | 0.0254000001 |
| 4 | 0.0338666668 |
| 5 | 0.0423333335 |
| 10 | 0.084666667 |
| 20 | 0.169333334 |
| 30 | 0.254000001 |
| 40 | 0.338666668 |
| 50 | 0.423333335 |
| 100 | 0.84666667 |
| 500 | 4.23333335 |
| 1000 | 8.4666667 |
Frequently asked questions
How many meters is 1 barleycorn?
How do I convert barleycorns to meters?
How do I convert meters back to barleycorns?
How many meters is 100 barleycorns?
Popular length unit conversions
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Metric / SI (4 units)
Imperial / US Customary (26 units)
Sources & references
Conversion factor (1 barleycorn = 0.0084666667 m) 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.