How many Postage Stamps do i Need for a 10 x 13 Envelope

To deliver your products through USPS Postage services you need to put these items in envelopes. USPS issues mailing envelopes in different sizes which you can choose depending upon the weight and size of your item to be delivered. If you want to deliver relatively large items then 10×13 envelopes are the best and most commonly used size.

A 10×13 is basically a Large Envelope because of its dimensions. The large dimensions of these 10×13 make them perfect for your large items which usually don’t fit in regular or standard size envelopes.

There are many types of items for which 10×13 envelopes are the best choice. Some of the popular products or items that can be easily delivered through 10×13 envelopes are:

  • Documents of any type like tax and legal documents
  • Soft Cover Books and Magazines
  • Catalogs
  • Financial Reports
  • Multipage Documents
  • Tax Returns
  • CDS and DVDs
  • Photoframes and Albums

How Many Postage Stamps for a 10×13 Envelope?

All envelopes that are 9×12 or larger are considered Large Envelopes. If the weight of your Large envelope of any size including a 10×13 envelope is not more than 1 ounce, then can ship it by using two First Class Forever Stamps.
For a 10×13 which weighs more than 1 ounce, you will require additional Stamps.
The number of additional Stamps that you need for a 10×13 envelope is decided by the increase in the weight. i.e you need 1 extra Stamp for each 1 ounce.
If the large items that you want to deliver through 10×13 envelopes are not flats i.e if they have buttons, are rigid, strings etc, then they get sorted by hand, and there they come under the category of non-machinable surcharge.

How Much is the Cost of 10×13 Envelope Postage?

The cost for a 10×13 envelope Postage depends upon various factors. The price of a 10×13 envelope postage is distributed as below:

  • As long as the weight of your 10×13 envelope is not more than 1 ounce, you can ship it by using 2 Forever Stamps. For these two Forever Stamps, you will have to pay $1.20 ($0.60 for a single Forever Stamp)
  • A 2 Oz 10×13 Envelope needs a total of three Stamps i.e 2 Forever Stamps and one additional Stamp for an extra one ounce. This will cost you $1.20+$0.24=$1.44
  • 2 Forever Stamps and 2 extra Stamps will have to be pasted on your 10×13 envelope whose weight is between 2 ounces to 3 ounces. The cost of 3 ounces 10×13 envelope will be $1.20+$0.24+$0.24=$1.68
  • A 4-ounce 10×13 envelope can be shipped by using 2 Forever Stamps and 3 additional Stamps, for which the total cost will be $1.20+$0.24+$0.24$0.24=$1.92
Weight not over (ounces) Price
1 $1.20
2 $1.44
3 $1.68
4 $1.92

Where to Buy 10×13 Envelopes?

You can buy 10×13 envelopes from many offline as well as online stores. If you want to purchase 10×13 envelopes from the comfort of your home without going anywhere then there are many online portals that let you buy 10×13 envelopes easily.

You can buy 10×13 envelopes from the below websites.

Buy 10×13 Envelopes from Amazon

The Internet has completely changed the way of shopping. Before the availability of the internet and online shopping websites, you were able to do shopping only by visiting the physical stores located nearby you. But with the help of online portals like, you can buy anything including 10×13 envelopes from your sofa at home.

Buying envelopes from Amazon is very easy and has many advantages because you can also avail of various offers and discounts. If you don’t receive the 10×13 envelopes delivered to you, you can also return them, which is impossible if you purchase through any offline store.

Buy 10×13 Envelopes from Walmart

Walmart is one of the largest stores for the shopping of clothing, furniture, accessories, technology, and home-living items. On the official website of Walmart, you can also get various daily deals and discounts on your purchasing of anything including 10×13 Envelopes.

By simply making an account on, you will be able to buy 10×13 envelopes easily by following simple steps. Keep in mind that, you will have the option to buy 10×13 envelopes from Walmart of various colors and themes at very affordable prices.

Buy 10×13 Envelopes from eBay

eBay is also another renowned online shopping portal in the USA which is providing online purchasing services with many products available including clothing, electronics, home decor, baby products, Women’s products, and a lot more.

eBay is also providing various postage-related services to its users and the option of buying 10×13 envelopes is one such service that can be availed from eBay.

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