The cost of a postage stamp today is 49 cents. This is a 3 cent rate increase from 2013. The rate was increased as of Jan. 26, 2014.
The postage rate is determined based on mail class and package dimensions like weight and shape. As a result of the rate hike, metered mail is now 1 cent less than First Class 1-ounce letters.
Postage services also include insurance, tracking and certified mail. The rate for insurance begins at $1.89 and goes up based on the contents of the package. The rate for certified mail is $3.30, and mail tracking is free.