List of length, distance, or range measuring devices

There are several devices to measure a length, distance, or range.

Contact devices

• Architect's scale
• Caliper
• Diagonal scale
• Engineer's scale
• Feeler gauge,
  used in metal working to measure size of gaps
• Gauge blocks
• Gunter's chain
• Measuring rod
• Meter stick
• Metric scale
• Micrometer
• Opisometer or curvimeter
• Pacing (surveying)
• Ruler
• Stadimeter
• Surveyor's wheel
• Tape measure
• Thread pitch gauge
• Ultrasonic thickness gauge
• Yard stick

Non-contact devices

• Ranging

Based on time-of-flight

• Electronic distance meter
• Ultrasonic ranging module (sonar, echo sounding)
• Radar distance measurement
• Laser rangefinder, lidar

Other

• GPS,
  indirect by runtime measurement of electromagnetic waves in the GHz-range
• Hypsometer
• Interferometer
• Length measurement
• Macrometer
• Odometer
• Position sensor
• Positioning system
• Rangefinder
• Standard ruler, in astronomy
• Tachymeter
• Taximeter, measure usually includes a time component as well
• Tellurometer
• Travelling microscope

See also

• Distance measuring equipment (aviation)
• Altimeter, height