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There are ten millimetres in a centimetre. One millimetre is equal to 1000 micrometres or 1000000 nanometres. The answers is millimetre
A customary unit of length, which has 4 letters and starts with m, is mile.
It is a measurement of length equal to 19.05 centimetres.
There are at least 5 mils. They are a Cypriot monetary unit equal to one thousandth of a pound, a Swedish unit of length equal to 10 km, a unit of length of one thousandth of an inch, a metric unit equal to one thousandth, and an angular unit used in artillery that is equal to 1/6400 of a complete revolution.
The shortest unit of length is the Planck length, denoted ℓP, equal to 1.616252×10−35 meters.
An arshine is an alternative name for an arshin, an obsolete Russian unit of length equal to 71.12 centimetres.
You can not equate a unit of length with a unit of volume.
a centimeter is a unit of length, a gram is a unit of weight
A tetrameter is not a unit of length - it is a unit of rhythm. Perhaps you are mistaking this for a terameter, which indeed is a unit of length, equal to 1,000,000,000 metres.
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A yottametre is a unit of length equal to 1024 metres.
1 inch