Physics & Units
Unit & Metric Converters
Instant multi-unit conversion for digital data rates, electrical parameters, thermodynamics, and length/area scales.
Suite Size
4 Specialized Tools
Unit Converters • Tool
Length, Area & Volume Converter
Imperial to metric unit conversions (mils, mm, inches, sq cm)
PCB Length & Mils
Engineering UnitsDimension Conversions
Mils (thou)
0 mils
Millimeters
0 mm
Micrometers
0 µm
Inches
0 in
ƒ
Mathematical Formula & Engineering Rules
1 mil = 0.001 inch = 0.0254 mm = 25.4 μm • 1 mm = 39.37 mils
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Worked Engineering Example
Example: Convert standard 100-mil pin header pitch to metric.
- 100 mils = 100 × 0.0254 mm = 2.54 mm pitch.
- 0.5mm BGA ball pitch = 0.5 × 39.37 = 19.68 mils.
Engineering FAQ
Frequently Asked Questions
Q1:
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