Micrometer to Inch Converter 2025 - µm to inch Calculator | Thiyagi

Micrometer to Inch Converter

Convert between micrometers and inches for precision engineering and scientific measurements

1 µm = 0.00003937 inch
1 inch = 25,400 µm
Enter a value to see the conversion result

Precision Measurement Reference

Micrometers ⇔ Inches
1 µm ⇔ 0.00003937 in
10 µm ⇔ 0.0003937 in
100 µm ⇔ 0.003937 in
1,000 µm (1 mm) ⇔ 0.03937 in
10,000 µm (1 cm) ⇔ 0.3937 in
25,400 µm ⇔ 1.0000 in

Real-World Scale Reference

Biological Scale:
• Human hair diameter: 17-180 µm
• Red blood cell: 6-8 µm
• Bacteria: 0.5-5 µm
• Virus: 0.02-0.3 µm
Industrial Tolerances:
• Precision machining: ±1-10 µm
• Surface roughness: 0.1-100 µm
• Semiconductor: 0.01-1 µm
• Optical components: ±0.1 µm
Material Properties:
• Paint thickness: 25-100 µm
• Plastic film: 10-250 µm
• Paper thickness: 70-180 µm
• Aluminum foil: 6-20 µm

Measurement Systems

  • Micrometer: Metric unit (SI)
  • Inch: Imperial/US unit
  • Conversion: 1 in = 25,400 µm exactly
  • Symbol: µm (micron alternative)

Measurement Tips

  • Use appropriate scale instruments
  • Control environmental conditions
  • Account for thermal expansion
  • Calibrate measuring devices

Applications

  • Manufacturing: Quality control
  • Research: Material analysis
  • Electronics: Component sizing
  • Medical: Microscopy measurements