Searching for numbers

Google has built-in features to handle certain numbers.

Tracking your UPS, FedEx, and U.S. Postal Service shipments. Type your tracking number in the search box and press Search.

Looking up the values of constants. Google knows mathematical and scientific constants, such as pi, Avogadro's Number, Planck's Constant, the mass of the sun, the speed of light, the gravitational constant, and a lot more.

Converting units of measure. Google knows miles and meters, furlongs and light years, seconds and fortnights, and more. The format of the query is: n firstunits in secondunits.

Looking up patent numbers.

Looking up Universal Product Codes (UPCs). It doesn't work for all products, but it's always worth a try. Just enter the code.

Federal Communications Commission equipment ID numbers. It's in wireless phone realm and if you are not in that field professionally, you probably don't need it.

Tracking the status of air flights. Enter the airline and flight number.

Looking up vehicle identification numbers (VINs). Enter a VIN and Google provides a link to the Carfax info for that car.

Finding maps by area tt or Zip code. Enter an area tt or Zip tt and Google will return a link to its map.

Reverse phone lookups. Enter a phone number and Google will try to return a phonebook entry for that number.