How to convert microinches to spans (cloth)
1 microinch is equal to 1.111111111 × 10⁻⁷ spans (cloth), and 1 span (cloth) is equal to 9,000,000 microinches. To convert, multiply by the conversion factor:
spans (cloth) = microinches × 1.111111111 × 10⁻⁷
spans (cloth) = microinches ÷ 9,000,000Example: convert 1 µin to span: 1 × 1.111111111 × 10⁻⁷ = 1.111111111 × 10⁻⁷ span.
Microinch to Span (cloth) conversion table
| Microinch (µin) | Span (cloth) (span) |
|---|---|
| 0.01 µin | 1.111111111 × 10⁻⁹ span |
| 0.1 µin | 1.111111111 × 10⁻⁸ span |
| 1 µin | 1.111111111 × 10⁻⁷ span |
| 2 µin | 2.222222222 × 10⁻⁷ span |
| 3 µin | 3.333333333 × 10⁻⁷ span |
| 5 µin | 5.555555556 × 10⁻⁷ span |
| 10 µin | 0.000001111111111 span |
| 20 µin | 0.000002222222222 span |
| 50 µin | 0.000005555555556 span |
| 100 µin | 0.00001111111111 span |
| 250 µin | 0.00002777777778 span |
| 500 µin | 0.00005555555556 span |
| 1,000 µin | 0.0001111111111 span |
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 span (cloth)
The cloth span is 9 inches (22.86 cm), originally the distance between the tips of the thumb and little finger of a spread hand.
Symbol: span · 1 span = 0.2286 m · Category: Historical & cloth