Culture File 16:
When keying into a computer or typing, you use a comma (,) or sometimes a blank space, to separate the thousands.
150,000 is one hundred and fifty thousand
150 000 is one hundred and fifty thousand
A period (.) is used for decimals (0.5), and therefore to separate dollars and cents (or pounds and pence, euros and cents etc.). In British English a period is called a full stop.
150.00 is one hundred and fifty (and no cents if it’s money).
17°C is «seventeen degrees Celsius» (or Centigrade).
In the Celsius system, water freezes at 0″C and water boils at 100°C.
58°F is «fifty-eight degrees Fahrenheit.»
In the Fahrenheit system, water freezes at 32°F and water boils at212°F.
Fahrenheit is used in the U.S.A. (except for science), Celsius is used in almost all other countries.