- 6.1 The general rule
- 6.2 With four or more digits
- 6.3 Money
- 6.4 Fractions
- 6.5 Percentages
- 6.6 Number ranges
- 6.7 Telephone numbers
- 6.8 School grades
Spell out the numbers one through nine. For 10 and above, use numerals.
There are a number of exceptions that always require numerals:
- measurements that use abbreviations or symbols
- percentages that include decimals - 3.2 per cent
- combined whole numbers and fractions
Although it should be avoided, a number used to start a sentence is always spelled out.Back to Top
In numbers with four or more digits, commas are used to separate three-digit groups except for house numbers, phone numbers, years and other serial numbers.
- 1,000 not 1000
Avoid using too many zeros.
- 554.6 billion
Use numerals to represent currency with the appropriate symbols. There is no space between the symbol and the numeral.
Very large currency amounts can be written using a combination of numerals and words with the currency symbol but do not use $ and the word dollars.
- $9.34 million, not $9.34 million dollars
Avoid using full-sized numerals separated by a slash to express fractions. Use fraction characters (or superscript/subscript) instead.
- 4¾ not 4-3/4
Alt + 0188 for ¼; Alt + 0189 for ½; Alt + 0190 for ¾
Using MS Word with autocorrect enabled:
type numerator / denominator, then space or enter.
Find the fraction characters in the character palette under digits.
Spell out simple fractions that are not mixed numbers. Hyphenate only when the fraction is considered a single quantity.
- His kick carried the ball more than one-third the length of the field.
Percentages should always be expressed in numerals followed by "per cent." In text that includes numerous references to percentages, the symbol % is acceptable with no space between the number and the symbol.Back to Top
Use an en dash (slightly longer than a hyphen) between two numbers to indicate "up to and including" or "through."
- The information is found on pages 113–126.
For number ranges preceded by "from" or "between," use "to" or "through" and "and" respectively.
- from 1947 to 1949
- between 100 and 150
The following is university style for telephone numbers with the long-distance prefix.
- (306) 966-6607
Use dashes for toll-free numbers.
Use ext. to express extensions.Back to Top
- Grade 7, but seventh grade