Refine By

Browse By Title: "numbers"

Units of measurement

For an international audience, use both imperial and metric standards. Use the local preference with the secondary in brackets. If you need help converting between metric and non-metric units, just use Google – conversion tools are baked right into their services....Read More

Phone numbers

Always include “+” and the country code. For US numbers, we use the standard “+1 (XXX) XXX-XXXX” format. For UK numbers, we use the standard “+44 XXX XXXX XXXX format. For other international numbers, please use E.164 formatting, so that...Read More


Use Fahrenheit in the US, Metric internationally. It may be appropriate to use both measurements for a global audience. Example Enjoy average summer temperatures of 95°F (35°C). See also Units of measurement, Area, Dimensions...Read More


If you spell out the number, spell out “percent.” If you use the numeral, use the symbol “%.” Examples Four percent 11% See also Numbers & numerals...Read More

Numbers & numerals

Spell out numbers less than ten in body copy. Ten and above get numerals, unless they’re the first word in a sentence. Ordinal numbers (e.g. “first,” “31st”) follow the same rule. However, always use numerals when writing: Dates Dimensions Percentages Price Sums of...Read More

Search the style