Units for measuring length are discussed here.
We know that the standard unit of length is ‘Meter’ which is written in short as ‘m’.
A meter length is divided into 100 equal parts.
Each part is named centimeter and written in short as ‘cm’.
Thus, 1 m = 100 cm and 100 cm = 1 m
The long distances are measured in kilometer. This kilometer equals to 1000 meters. The kilometer is written in short as km.
1 kilometer (km) = 1000 meters (m) and 1000 m = 1 km
The different units of length and their equivalents are given here:
1 kilometer (km) 
= 10 Hectometers (hm) = 1000 m = 10 Metres (m) = 10 Millimetres (mm) 
Mostly we use Kilometer (km), Meter (m) and Centimeter (cm) as the units of length.
Related Concepts
● To Measure the Length of a Linesegment
● Examples on Unit of Mass or Weight
● Units for The Measurement of Capacity
● Examples on Measurement of Capacity
● Antemeridian (a.m.) or Postmeridian (p.m.)
● Calendar
● Reading and Interpreting a Calendar
4th Grade Math Activities
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