How much to mail a 9x13 envelope

The cost to mail a 9x13 envelope depends on the weight of the envelope, the destination, and the type of mail service used. Here are the current rates for the United States Postal Service (USPS):

First-Class Mail

Large Envelope Rate

Priority Mail

Priority Mail Express

Keep in mind that these rates are subject to change, so it's always a good idea to check the USPS website for the most up-to-date rates.

Additionally, if your envelope weighs more than 1 oz, you'll need to calculate the weight-based rate. You can use the USPS's online calculator or consult with a postal worker to determine the correct rate.