Numbers, measurements and units: Difference between revisions
Created page with " See Notes for Authors p. 22 for detailed guidance. Brief guidelines as below: • use numerals o whenever a number is followed by a unit symbol (for example kg, m) o for refe..." |
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See Notes for Authors p. 22 for detailed guidance. | See Notes for Authors p. 22 for detailed guidance. | ||
Brief guidelines as below: | Brief guidelines as below: | ||
• use numerals | • use numerals | ||
o whenever a number is followed by a unit symbol | o whenever a number is followed by a unit symbol | ||
(for example kg, m) | (for example kg, m) | ||
o for references to illustrations | o for references to illustrations | ||
o for dates, page numbers, percentages and expressions of | o for dates, page numbers, percentages and expressions of | ||
time | time | ||
o where several numbers are used in succession, some less | o where several numbers are used in succession, some less | ||
and some more than ten, use numerals throughout | and some more than ten, use numerals throughout | ||
o use decimals and never fractions | o use decimals and never fractions | ||
• use words | • use words | ||
o for numbers from one to ten; numerals for larger numbers | o for numbers from one to ten; numerals for larger numbers | ||
o in whole numbers containing several zeros, either substitute | o in whole numbers containing several zeros, either substitute | ||
a word for part of the number | a word for part of the number | ||
(e.g. 16 million instead of 16 000 000) | (e.g. 16 million instead of 16 000 000) | ||
o do not begin a sentence with a numeral | o do not begin a sentence with a numeral | ||
• spaces and markers | • spaces and markers | ||
o use a full point for the decimal marker e.g. 16.6 kg | o use a full point for the decimal marker e.g. 16.6 kg | ||
o numbers with up to four digits or fewer on either side of the | o numbers with up to four digits or fewer on either side of the | ||
decimal marker are set without spaces or commas: 616, | decimal marker are set without spaces or commas: 616, | ||
1684, 0.8333 | 1684, 0.8333 | ||
o numbers with more than four digits are divided by a fixed | o numbers with more than four digits are divided by a fixed | ||
space, not a comma, every three digits from the decimal | space, not a comma, every three digits from the decimal | ||
marker: 25 000, 1 584 000, 0.616 42 | marker: 25 000, 1 584 000, 0.616 42 | ||
• units | • units | ||
o millions: use m and decimals: 1 m, 1.5 m, 20 m | o millions: use m and decimals: 1 m, 1.5 m, 20 m | ||
o billions: use bn and decimals: 1 bn, 1.5 bn, 20 bn | o billions: use bn and decimals: 1 bn, 1.5 bn, 20 bn | ||
o per cent should be spelt out, not % | o per cent should be spelt out, not % | ||
[[category:writers' guide]] | [[category:writers' guide]] | ||
Revision as of 16:30, 18 September 2013
See Notes for Authors p. 22 for detailed guidance.
Brief guidelines as below:
• use numerals
o whenever a number is followed by a unit symbol (for example kg, m)
o for references to illustrations
o for dates, page numbers, percentages and expressions of time
o where several numbers are used in succession, some less and some more than ten, use numerals throughout
o use decimals and never fractions
• use words
o for numbers from one to ten; numerals for larger numbers
o in whole numbers containing several zeros, either substitute a word for part of the number (e.g. 16 million instead of 16 000 000)
o do not begin a sentence with a numeral
• spaces and markers
o use a full point for the decimal marker e.g. 16.6 kg
o numbers with up to four digits or fewer on either side of the decimal marker are set without spaces or commas: 616, 1684, 0.8333
o numbers with more than four digits are divided by a fixed space, not a comma, every three digits from the decimal marker: 25 000, 1 584 000, 0.616 42
• units
o millions: use m and decimals: 1 m, 1.5 m, 20 m
o billions: use bn and decimals: 1 bn, 1.5 bn, 20 bn
o per cent should be spelt out, not %