Current USPS® Postage Rates for 2025
USPS rates are determined by a combination of weight, mail class, and shape. Weigh your mail piece and choose your mail class, destination, and special services, and we’ll automatically calculate the required postage for you.
USPS First-Class postage rates
Learn everything you need to know about USPS First-Class® postage, USPS postage rates by weight and size, USPS postage rates for letters and envelopes, and USPS international postage rates — all in one place.
First-Class mail letter (1 oz.)
$0.78
Postcard
$0.61
First-Class mail flat (1 oz.)
$1.63
First-Class mail flat - each additional ounce
$0.29
*Retail/post office rate: prices paid when going to post office to purchase postage. Unless indicated, rates listed are discounted rates for online purchase available through Stamps.com.
USPS special service postage rates
In addition to postage for delivery, USPS also offers a variety of special services such as Certified Mail®, USPS Tracking®, and insurance. Here is a summary of these special services:
Certificate of mailing
$2.40
Certified Mail®
$5.30
Electronic USPS tracking: Priority Mail®, Ground Advantage™, service and media mail
Included
Registered mailing
$19.70 and up
Restricted delivery
$13.35
*Retail/post office rate: prices paid when going to post office to purchase postage. Unless indicated, rates listed are discounted rates for online purchase available through Stamps.com.
Simplify postage rates
Our software includes everything you need to calculate current postage rates with ease so you can avoid the postage math. And if postage rates change, we’ll update the rates automatically with no fees to updated rates.
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