Measurements

Measurements include distance, temperature, volume, size, weight, points, and picas, but generally not units of time.
  • Use numerals for all measurements. This applies even if the number is under 10, as in 5 inches.
  • Repeat the unit of measure for two or more quantities. Between 32 KB and 100 KB.
  • It's acceptable to abbreviate measurements, as in KB and GHz, if the abbreviations are common to the audience.
  • In abbreviations for measurements, don't add an s to indicate plurality. For example: 10 oz or 30 mm
  • When a measurement is used as an adjective, use a hyphen to connect the number to the measurement, as in 10-point type. Otherwise, don't use a hyphen.
  • Don't use periods with abbreviations for units of measure. If the abbreviation forms a word, such as in as an abbreviation for inches, spell out the word in text to avoid confusing the reader. Confine use of the abbreviation to tabular matter and other condensed copy.