Length

Language

Deutsch: Unter einem Längenmaß oder genauer einer Längenmaßeinheit versteht man eine Maßeinheit für die Länge.

English: Length refers to the longest dimension of an object, or in certain contexts, a certain dimension of an object.

Main category: Length

Arc length

Main category: Arc length

arc-length approximation by multiple linear segments
arc length of a small piece of curve approximated with the Pythagorean theorem
Fermat's method

Length measuring devices

Main category: Length measuring devices

Messschieber/Vernier caliper
Dial indicator
Limit gauges
length calibration blocks
Interferometer diagram
Precision interferometer
Vernier caliper parts diagram
Micrometer caliper parts diagram
Measuring wheel
Opisometer
Retractable tape measure
Ruler icon
Architectural scale ruler

Units of length

Main category: Units of length

Imperial measurement standards at Greenwich
Metre compared to the Toscana Doppiabraccio measure
Chinese Cun variant 3
Hand span
Deutsch: Ruthe, Klafter, Elle und Schuh
Parsec used in astronomy

Orders of magnitude (length)

English: Orders of magnitude (length)

proton at the femtometre scale: 1e-15m
hydrogen atom at the Angstrom or tens of picometres scale: 1e-11m
Example lengths from 1e-6m to 1e5m
Example lengths from 1e6m to 1e17m
Typical spider silk at the micrometre scale: 1e-6m
Human body at the metre scale: 1e0m
Moons and planets at the megametre scale: 1e6m
stars at the 100 gigametres scale: 1e11m
1e15m or one light year
1e16m or ten light years
1e17m or 100 light years

Category:Length#%20

Category:Length