Page 394 - Practical English Usage 3ed - Michael Swan, Oxford

Ofis also possible with decimals below 1.
nought point six o f a mile
0.1625 cm nought point one six two five ofa centimetre
However, decimals below 1 are often followed directly by plural nouns. nought point six miles (NOT rtoftght point six mile)
nought point one three two five centimetres
Fractions and decimals over 1 are normally followed by plural nouns. one and a half hours (NOT one and a hal!hoftr)
three and tllree eigllths miles
1.3 millimetres (NOT 1.3 millimefre)
Note also the structure a ... and a half.
I've been waiting for an hour and a half.
3 singular or plural verbs
Singular verbs are normally used after fractions, decimals, and other expressions referring to amounts and measurements (for more details, see 527).
Three quarters ofa ton is too much. (NOT Three ql#lRerS "fa ttm are ...) 3.6 kilometres is about 2 miles.
But plural verbs are used when we are talking about numbers of people or things, even after a singular fraction.
A third ofthe students arefrom abroad. (NOT 1'\ third ofthe stutients is ...) Halfofthe glasses are broken.
After expressions like one in three, one out offlue + plural noun, both singular and plural verbs are possible.
One in three new cars break/breaks down in the first year.
4 nought, zero, nil etc
The figure 0 is usually called nought in British English and zero in American English. When we say numbers one figure at a time, 0 is often called all (like the letter 0).
My account number is four one three oh six.
In measurements of temperature, 0 is called zero in both British and American English. Zero is followed by a plural noun.
Zero degrees Celsius is thirty-two degrees Fahrenheit.
Zero scores in team games are called nil (American zero or nothing). In tennis and similar games, the word love is used (originally from French l'oeuf, meaning 'the egg' - the figure 0 is egg-shaped).
And the score at half-time is: Scotland three, England niL Forty-love; Andrews to serve.
S telephone numbers
We say each figure separately, pausing after groups of three or four (not two). When the same figure comes twice, British people usually say double.
307 4922 three oh seven, four nine double two
(AmE three zero seven, four nine two two)
numbers 389
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