How to convert spans (cloth) to microns
1 span (cloth) is equal to 228,600 microns, and 1 micron is equal to 0.000004374453193 spans (cloth). To convert, multiply by the conversion factor:
microns = spans (cloth) × 228,600
microns = spans (cloth) ÷ 0.000004374453193Example: convert 15 span to µ: 15 × 228,600 = 3,429,000 µ.
Span (cloth) to Micron conversion table
| Span (cloth) (span) | Micron (µ) |
|---|---|
| 0.01 span | 2,286 µ |
| 0.1 span | 22,860 µ |
| 1 span | 228,600 µ |
| 2 span | 457,200 µ |
| 3 span | 685,800 µ |
| 5 span | 1,143,000 µ |
| 10 span | 2,286,000 µ |
| 20 span | 4,572,000 µ |
| 50 span | 11,430,000 µ |
| 100 span | 22,860,000 µ |
| 250 span | 57,150,000 µ |
| 500 span | 114,300,000 µ |
| 1,000 span | 228,600,000 µ |
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
About the micron
The micron is the older name for the micrometer (one millionth of a meter). It's still common in filtration, semiconductor manufacturing and particle sizes.
Symbol: µ · 1 µ = 0.000001 m · Category: Metric (SI)