Length
Length is the measurement of the distance between two points. It can also be used to measure the height, width, or depth of an object. In science, length can be used to measure the size of the universe or the diameter of an atom.
Units of Length
There are various units of length, including:
- Centimeter (cm)
- Meter (m)
- Kilometer (km)
- Inch (in)
- Foot (ft)
- Yard (yd)
- Mile (mi)
The SI unit of length is the meter.
Converting Between Units of Length
To convert between units of length, you can use the following formulas:
- 1 m = 100 cm
- 1 km = 1000 m
- 1 in = 2.54 cm
- 1 ft = 12 in
- 1 yd = 3 ft
- 1 mi = 1760 yd
Solved Problems
1. A pencil is 8 cm long. Convert this length to meters.
8 cm = (8 cm) x (1 m / 100 cm) = 0.08 m
2. A person is 1.75 m tall. Convert this height to inches.
1.75 m = (1.75 m) x (39.37 in / 1 m) = 68.9 in