How to convert microinches to barleycorns
1 microinch is equal to 0.000003 barleycorns, and 1 barleycorn is equal to 333,333.3333 microinches. To convert, multiply by the conversion factor:
barleycorns = microinches × 0.000003
barleycorns = microinches ÷ 333,333.3333Example: convert 15 µin to barleycorn: 15 × 0.000003 = 0.000045 barleycorn.
Microinch to Barleycorn conversion table
| Microinch (µin) | Barleycorn (barleycorn) |
|---|---|
| 0.01 µin | 3 × 10⁻⁸ barleycorn |
| 0.1 µin | 3 × 10⁻⁷ barleycorn |
| 1 µin | 0.000003 barleycorn |
| 2 µin | 0.000006 barleycorn |
| 3 µin | 0.000009 barleycorn |
| 5 µin | 0.000015 barleycorn |
| 10 µin | 0.00003 barleycorn |
| 20 µin | 0.00006 barleycorn |
| 50 µin | 0.00015 barleycorn |
| 100 µin | 0.0003 barleycorn |
| 250 µin | 0.00075 barleycorn |
| 500 µin | 0.0015 barleycorn |
| 1,000 µin | 0.003 barleycorn |
About the microinch
A microinch is one millionth of an inch (25.4 nm). It's used to specify surface roughness in machining.
Symbol: µin · 1 µin = 2.54 × 10⁻⁸ m · Category: Imperial & US customary
About the barleycorn
The barleycorn is one third of an inch (about 8.47 mm). It's still the basis of UK and US shoe sizes, where one size step is one barleycorn.
Symbol: barleycorn · 1 barleycorn = 0.008466666667 m · Category: Historical & cloth