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Convert Pole to Micrometer (pole to µm) instantly with accurate, readable results.
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Pole (also rod or perch) - traditional surveying length
Pole is a historical Imperial/US surveying unit equal to 16.5 feet. Used in land measurement, parcel descriptions, and traditional fencing
- Symbols: rd (rod), p (perch); no standard symbol for “pole”
- System: Imperial/US customary (historic surveying)
- Exact relations: 1 pole = 16.5 ft = 5.5 yd = 1/4 chain = 25 links = 1/320 mi
- Metric equivalents: 1 pole = 5.0292 m (exact)
- Typical examples: fence runs; plot dimensions in old deeds (e.g., “4 poles 3 links”)
Micrometer (µm) — SI unit equal to one millionth of a meter
Used in precision engineering, microscopy, and semiconductor manufacturing for dimensions far below a millimeter
- Symbol: µm (also called micron)
- System: SI derived unit
- Exact relations: 1 µm = 10⁻⁶ m = 0.001 mm = 10⁻⁴ cm
- Imperial/US equivalents: 1 µm ≈ 0.0000393700787 in
- Typical examples: human hair ~70 µm; bacteria ~1–10 µm; semiconductor features in the sub-µm to tens of µm range