Use the unit symbol after the number
Leave a space between the number and the unit
Write units in standard abbreviations
Use consistent decimal places
Use the correct metric or imperial unit for the context
Write fractions clearly when needed
Use superscripts for squared or cubed units
Use plural forms only when writing unit names in full
Use abbreviations without periods unless required by style
Use the same format throughout the document
Write ranges with a dash or the word to, as appropriate
Use significant figures correctly
Avoid mixing units in the same measurement
Write temperatures with the correct symbol
Write time in a consistent format
Write dimensions in the same order each time