How many fluid ounces make a litre? How many square feet form an acre?

Google answers: You can have any conversion right at your finger tips if you have a computer or mobile phone with an internet connection enabled. Go to Google and type the conversion in the search box. Example: “1 km in inches” or “1500 square feet in square metres”. Google will do the conversion and provide an answer accurate up to nine decimal places! You can try just as many units as u want..