Envelope cost to mail

The cost to mail an envelope depends on several factors, including the weight, size, and destination of the envelope, as well as the type of mail service used. Here are the current rates for mailing an envelope in the United States:

First-Class Mail

• Letters (1 oz or less): $0.55
• Large Envelopes (1 oz or less): $0.95
• Flat Rate Envelopes (1 oz or less): $7.35

Priority Mail

• Small Flat Rate Envelope: $7.35
• Medium Flat Rate Envelope: $13.75
• Large Flat Rate Envelope: $19.75

Priority Mail Express

• Small Flat Rate Envelope: $25.50
• Medium Flat Rate Envelope: $31.50
• Large Flat Rate Envelope: $37.50

International Mail

• First-Class Mail International: $1.20 (1 oz or less)
• Priority Mail International: $24.95 (up to 1 lb)

Additional Fees

• Additional ounces (over 1 oz): $0.15 per ounce
• Insurance (up to $5,000): $2.75
• Signature Confirmation: $3.10
• Delivery Confirmation: $0.60

Note: These rates are subject to change, so it's always a good idea to check the official USPS website for the most up-to-date pricing information.

It's also worth noting that you can use online tools, such as the USPS Postage Price Calculator, to estimate the cost of mailing an envelope based on its weight, size, and destination.