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Symbol | Definition |
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≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |
Kilometer or kilometre is one of the most common metric units of length or distance. It is equal to 1 000 meters. It is about 0.62137119 mile, 1093.6133 yards, or 3280.8399 feet. Plural name is kilometers.
The palm is an obsolete anthropic unit of length, originally based on the width of the human palm and then variously standardized. The same name is also used for a second, rather larger unit based on the length of the human hand.