Do Wedding Invites Need Two Stamps? A Guide to Mail-in Weddings
When it comes to sending out wedding invitations, one of the most common questions couples face is whether they need to use two stamps. This query often arises due to a lack of clarity on the postal service's rules and regulations. In this article, we'll delve into the specifics of mail-in weddings, shedding light on the stamp conundrum and providing you with a comprehensive guide to ensure your invitations reach your guests safely.
A Brief History of Postal Regulations
The need for two stamps on wedding invitations stems from the United States Postal Service's (USPS) weight-based pricing system. Historically, the USPS used a single-rate stamp for all standard-sized letters. However, with the introduction of weight-based pricing, the need for two stamps arose for heavier packages.
Since wedding invitations often include embellishments like photos, ribbons, or other embellishments, they can become quite heavy. The USPS considers these added items as extra weight, necessitating a second stamp to cover the additional cost.

Understanding the Weight-Based Pricing System
The USPS categorizes mail based on weight, with standard letters weighing up to 1 ounce. When your invitation exceeds this weight, you'll need to add an additional stamp to cover the excess weight. The current USPS rate for a standard letter is 58 cents, and for a heavier letter (1-2 ounces), it's $1.17.
Here's a general breakdown of the USPS weight-based pricing system:
- 1 oz: 1 stamp (58 cents)
- 1-2 oz: 2 stamps ($1.17)
- 2-3 oz: 3 stamps ($1.76)
- Over 3 oz: Priority Mail or additional postage required
The Two-Stamp Requirement
The two-stamp requirement for wedding invitations is often misunderstood as a blanket rule. In reality, it's essential to consider the weight of your invitation, including any additional items like inserts, stickers, or photos.

If your invitation weighs 1-2 ounces, you'll indeed need to use two stamps. However, if your invitation is lighter, you can get away with a single stamp.
Other Factors to Consider
While the two-stamp requirement is a significant factor, it's not the only consideration when sending out wedding invitations. Other essential details include:
- Address formatting: Ensure you use the correct address formatting, including the recipient's name, address, and zip code.
- Return address: Include a return address on the envelope to facilitate efficient mail processing.
- Handling extra items: If you're sending inserts, photos, or other items, make sure to add extra postage or use a priority mail service.
Prioritizing Your Wedding Invitations
When sending out your wedding invitations, prioritize the importance of accurate postage and address formatting. A single mistake can result in delayed or lost invitations, causing unnecessary stress for you and your guests.
Take the time to carefully weigh your invitations, consider the additional items, and apply the correct postage to ensure timely delivery.
Conclusion (without saying it)
In the end, sending out wedding invitations requires attention to detail and a thorough understanding of the postal regulations. By grasping the weight-based pricing system and the two-stamp requirement, you'll be well on your way to creating a stress-free invitation process.