Select a category
Conversion Formula:
Convert Link to Millimeter (li to mm) instantly with accurate, readable results.
Use our Length Unit Converter to quickly convert between meters, kilometers, feet, inches, miles, and more. This powerful unit conversion tool supports both metric and imperial systems, making it ideal for travel, engineering, education, and everyday use. Whether you're calculating distances or comparing measurements, our length unit conversion calculator ensures fast and accurate results every time.
Link - traditional surveying length unit
Link is a historical unit used in land surveying as 1/100 of a Gunter’s chain. Used on cadastral maps, field books, and deeds throughout the English-speaking world.
- Symbols: l, lk, or lnk (varies)
- System: Imperial/US customary (historic surveying)
- Exact relations: 1 link = 1/100 chain = 1/25 rod = 0.66 ft = 7.92 in
- Metric equivalents: 1 link = 0.201168 m (exact); 100 links = 20.1168 m (1 chain)
- Typical examples: parcel frontage like “12 ch 37 lks”; old plats listing sides in chains and links
Millimeter (mm) — one thousandth of a meter
Used for precision work, machining, and rainfall depth reporting. Suitable for tolerances and tiny parts.
- Symbol: mm
- System: SI derived unit
- Exact relations: 1 mm = 0.001 m = 0.1 cm
- Imperial/US equivalents: 1 mm = 0.0393700787 in
- Typical examples: screw diameters, gasket thickness, PCB traces