Forever Stamps

How Many Stamps For A Manila Envelope? (2023 Updated)

How Many Stamps For A Manila Envelope? (2023 Updated)

Consider the following scenario: You have an important document to mail in a Manila envelope, and as you prepare to send it on its way, you wonder, “How many stamps for a Manila envelope?
With postage prices always changing, it’s critical to remain up-to-date on the newest information to guarantee your mail arrives on time.
In this article, we’ll delve into the realm of Manila envelopes and give you the most up-to-date information on how many stamps you’ll need in 2023.
Understanding the postage requirements for Manila envelopes can help you navigate the procedure with comfort and confidence, whether you’re a business professional, a student, or simply someone who routinely mails critical files.
So, let’s go on this adventure together and solve the secret of stamping your Manila envelopes in the most efficient and cost-effective manner possible.

What is a Manila Envelope?

What is a Manila Envelope

If you work 9 to 5, you’ll probably be flipping through these envelopes a lot without understanding what they’re called. A Manila envelope is one made of Manila paper, which is a strong, heavyweight, light brown paper. It is named after the Philippine city of Manila, where the publication originated.
Manila envelopes are larger and more durable than regular envelopes. As a result, two stamps are typically required to mail a Manila envelope within the United States. If you’re sending a Manila envelope internationally, check with your local post office to see what stamps you’ll need.

How Many Stamps For A Manila Envelope?

How Many Stamps For A Manila Envelope

A Manila envelope’s stamp count is determined by its size and weight.
However, because a normal Manila envelope weighs no more than 1 ounce, a Forever stamp is frequently required. If your Manila envelope is larger or heavier than 1 oz, you may need to use more stamps to cover postage.
Continue reading if you require more particular information.

Can I Use Forever Stamps On A Manila Envelope?

Can I Use Forever Stamps On A Manila Envelope

Yes, Forever stamps can be used on a Manila envelope. Forever stamps are a type of postage stamp issued by the United States Postal Service (USPS) that can be used to send first-class mail, including letters, large envelopes, and packages. The term “forever” indicates that these stamps can be used to mail items regardless offuture price increases for postage.
When using Forever stamps on a Manila envelope, you need to ensure that the total value of the stamps affixed to the envelope equals or exceeds the required postage for the specific weight and size of the envelope. If the envelope weighs more than 1 ounce, additional Forever stamps or additional postage will be necessary.

Continue to slide to read, there is more detailed information below.

Can I Mail a Manila Envelope with Just One Stamp?

Can I Mail a Manila Envelope with Just One Stamp

As we said above,the number of stamps required for a Manila envelope depends on its weight, size, and the postage rate at which it is being mailed.If your Manila envelope is within the size and weight limits of a standard First-Class Mail letter (usually no more than 1 ounce), then you can send it with just one stamp.As of 2023, standard First-Class Mail letters in the U.S. can be mailed with a Forever stamp that will cover the cost of a 1-ounce letter regardless of future price increases. However, it is important to note that postage rates are subject to change.

How Many Stamps For A 5×7 Manila Envelope?

How Many Stamps For A 5×7 Manila Envelope

For a 5×7 Manila envelope weighing less than 1 ounce, you can usually mail a Forever stamp.

Forever stamps cover the cost of a standard First-Class Mail letter up to 1 ounce, regardless of future price increases.
However, if your 5×7 Manila envelope weighs more than 1 ounce, additional postage will be required. This equates to $0.24 per additional ounce. However, the maximum acceptable weight is 3.5 oz.

1.1 – 2oz1 FS + 1 OUNCE STAMP (OS)
2.1 – 3oz1 FS + 2 OS
3.1 – 3.51 FS + 3 OS
How Many Stamps For A 5×7 Manila Envelope?

If it’s more than 3.5 ounces, your package is in the large envelope group (also known as large or flat mail).
For information on flat mailing, keep scrolling down.

Note: Once your small 5 x 7 manila envelope goes over 3.5 ounces in weight, USPS will consider it as a large envelope.

How Many Stamps For A 6×9 Manila Envelope?

How Many Stamps For A 6×9 Manila Envelope

The 6×9 Manila envelope is considered a standard-size letter by USPS, similar to the 5×7 envelope.
To cover the postage for a 1-ounce Manila envelope, you will need to affix a 1 Forever stamp.
Similar to the 5×7 envelope, the 6×9 envelope requires an additional ounce stamp if it weighs between 1.1 ounces and 2 ounces.
As of 2023, the additional ounce stamp costs 24 cents.
If your Manila envelopes weigh between 2.1 and 3 ounces, you will need to add 2 ounces worth of stamps.
For weights exceeding 3.5 ounces, a flat rate applies regardless of the envelope size.

How Many Stamps For A 9×12 Manila Envelope?

How Many Stamps For A 9×12 Manila Envelope

As per USPS guidelines, the 9×12 manila envelope falls into the category of large or flat mailings, requiring a different number of stamps compared to the previously mentioned sizes.
Starting in 2023, a 9×12 manila envelope weighing 1 ounce will require two stamps, with an additional stamp needed for each additional ounce.
Now, if your envelopes are heavier, how do I know if mine needs more stamps?

Related Content: How Many Stamps Do I Need for An International Letter?

How Do I Know If My Manila Envelope Needs More Stamps?

How Do I Know If My Manila Envelope Needs More Stamps

Are you feeling uncertain about the postage on your manila envelope?

Don’t worry, we’ve got you covered!

Picture this: you’re standing in line at the post office, wondering, “How do I know if my manila envelope needs more stamps?”

Well, fear not, dear reader, for we’re here to demystify the process for you. The weight of your envelope holds the key to determining the right postage. If your manila envelope weighs up to one ounce, two stamps should do the trick. But what if it’s heavier? That’s where it gets interesting. For each additional ounce, you’ll need to affix another stamp. Now, here’s a handy tip: if you’re unsure about the weight, simply use a kitchen scale to get an accurate measurement. And remember, it’s always better to err on the side of caution and add an extra stamp if you’re in doubt. By ensuring the correct postage, you can avoid the hassle of returned mail and enjoy a smooth mailing experience. Say goodbye to postage confusion and hello to worry-free sending!

FAQs about Mailing Items Using a Manila Envelope

In addition to some of the questions above, here are some frequently asked questions about using Manila envelopes to mail items.

FAQs about Mailing Items Using a Manila Envelope

Q: Are there any size restrictions for mailing a Manila envelope?

A: While there are no specific size restrictions for using a Manila envelope, it’s important to ensure that it falls within the acceptable dimensions set by USPS. Envelopes that are too large or too thick may require extra postage or may need to be sent using a different mailing class or packaging option.

Q: Can I track a Manila envelope?

A: Tracking options for a Manila envelope may vary depending on the mailing service you choose. If you require tracking, you can opt for USPS services like Priority Mail or Certified Mail, which offer tracking and delivery confirmation. Additional fees may apply for these services.

Q: Are there any restrictions on what I can mail in a Manila envelope?

A: While Manila envelopes are commonly used for mailing documents and papers, there are some restrictions on what can be sent through the mail. Prohibited items include hazardous materials, weapons, explosives, perishable goods, and illegal substances. It’s important to familiarize yourself with USPS guidelines and restrictions to ensure compliance when mailing items in a Manila envelope.

SUMMARY: How Many Stamps Do I Need for a Manila Envelope?

  • Small Manila Envelope (5 x 7″) = 1 Forever Stamp up to 1oz in weight. 1oz Stamp for each additional ounce (max 3.5oz).
  • Medium Manila Envelope (6 x 9″) = 1 Forever Stamp up to 1oz in weight. 1oz Stamp for each additional ounce (max 3.5oz).
  • Once a small & Medium Manila Envelope goes over 3.5oz it is considered a large (flat) envelope.
  • Large Manila Envelope (6 x 12″) = 2 Forever Stamps up to 1oz in weight. 1oz Stamp for for each additional ounce.


To summarize, maintaining knowledgeable about the postage requirements for mailing a Manila envelope is critical to ensuring that your letter arrives at its intended destination on time.
A standard-sized Manila envelope weighing less than 1 ounce requires one Forever stamp as of 2023.
To precisely establish the amount of stamps required, consider criteria such as size, weight, postal class, and destination.
For the most up-to-date information, check the current USPS postage rates or speak with a postal clerk. By understanding the postage rules and correctly affixing the necessary number of stamps, you can send your Manila envelopes with confidence, knowing that your mail will arrive on time.
So, the next time you prepare to send essential documents, you can be confident that you have the skills to correctly stamp your Manila envelopes and manage the shipping process.


About Jose Beltran

Jose Beltran is a distinguished specialist in philately with a distinguished professional background. With more than 20 years of experience, he has worked at prestigious institutions such as the Philatelic Institute. Throughout their careers, Tony has carefully researched and cataloged countless rare and valuable postage stamps, developing unparalleled expertise in identification and valuation. In addition to his practical expertise, Tony is an accomplished writer. Tony's engaging and informative writing style has made them sought-after columnists for prominent philatelic magazines.

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