Should there be a gap between number and unit?

There should be no space between the number and its corresponding symbol. However, place a space between the number and an abbreviated unit of measurement. 5 p. Write ‘per cent’ as two separate words, but ‘percentage’ as one.

Do you put a space before CM?

Always use the space. They are two different things, the quantity (100) and the unit (km).

Should there be a space between number and unit UK?

There is a space between a number and a unit of measurement e.g. 20 mg – except for temperatures e.g. 20°C and percentages e.g. 20% (or in text use 20 per cent). When giving a range do not repeat the unit, e.g. 5 to 8 mg and not 5 mg to 8 mg. Use the word ‘to’ in text, not a dash.

Do you put a space before KM?

Leave a space between kilometre (or its symbol km ) and the number that immediately precedes it.

What are the rules for writing SI units?

Rules and conventions for writing SI units and their symbols

  • The units named after scientists are not written with a capital initial letter.
  • The symbols of the units named after scientist should be written by a capital letter.
  • Small letters are used as symbols for units not derived from a proper name.

Is space required after slash?

There is no need to include a space on either side of a forward slash. The exceptions are for: official dual place names. lines of poetry in running text – use forward slashes with spaces around them to show the line breaks.

Should there be a space after ellipses?

There should be no space between the ellipsis and the word.

Is there a space before grams?

When a specific figure is given, leave a space between the word gram (or the symbol g ) and the number that immediately precedes it. In scientific and technical writing, either the number and unit name are both written in full ( e.g. twelve grams), or a numeral is used with the symbol ( e.g. 12 g ).

What are the rules for writing symbols?

If an element has a single English letter as a symbol, it should be written in the upper case. 2. If an element has a two-letter symbol, the first letter should be written in the upper case and the second letter in the lower case.

Do you put space before and after slash?

A. If the slash divides two words, there is no space. If it divides two phrases or sentences (or a single word from a phrase), it requires a space before and after.