{"id":249028,"date":"2025-01-16T16:43:19","date_gmt":"2025-01-16T16:43:19","guid":{"rendered":"https:\/\/www.stamps.com\/?p=249028"},"modified":"2025-12-08T18:27:08","modified_gmt":"2025-12-08T18:27:08","slug":"how-many-stamps-do-i-need","status":"publish","type":"post","link":"https:\/\/www.stamps.com\/article\/how-many-stamps-do-i-need\/","title":{"rendered":"How Many Postage Stamps Do You Need? A Guide"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"519\" src=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2024\/07\/Blog-Image-1-1-1024x519.png\" alt=\"\" class=\"wp-image-249030\" srcset=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2024\/07\/Blog-Image-1-1-1024x519.png 1024w, https:\/\/www.stamps.com\/wp-content\/uploads\/2024\/07\/Blog-Image-1-1-300x152.png 300w, https:\/\/www.stamps.com\/wp-content\/uploads\/2024\/07\/Blog-Image-1-1-768x389.png 768w, https:\/\/www.stamps.com\/wp-content\/uploads\/2024\/07\/Blog-Image-1-1-1536x779.png 1536w, https:\/\/www.stamps.com\/wp-content\/uploads\/2024\/07\/Blog-Image-1-1-1920x973.png 1920w, https:\/\/www.stamps.com\/wp-content\/uploads\/2024\/07\/Blog-Image-1-1.png 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Stamps are an essential piece in the world of mailing. Very rarely though do they offer much guidance outside of \u201cpeel here and stick there.\u201d Stamps give no answers to important questions like: What impacts postage costs? How do you determine the right postage? Do stamps expire? And of course, how many stamps do you need?<\/p>\n\n\n\n<p>Stamps.com does have those answers though. Mailing is one of the most important aspects of your business, which means learning what affects postage and how to keep those costs manageable is vital. So how many stamps do you need? Let\u2019s find out.<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-impacts-package-and-letter-postage-costs\">What impacts package and letter postage costs?<\/h2>\n\n\n\n<p>Postage costs depend on weight, size, shape, and destination. Not all services consider these factors equally. Let us help you figure it out.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-weight\">Weight<\/h3>\n\n\n\n<p>As you might expect, weight is a determining factor for postage, and you can expect your package to get more expensive the heavier it is. This is especially true for services like <a href=\"https:\/\/www.stamps.com\/usps\/library-mail\/\" target=\"_blank\" rel=\"noreferrer noopener\">Library Mail<\/a> and <a href=\"https:\/\/www.stamps.com\/usps\/media-mail\/\" target=\"_blank\" rel=\"noreferrer noopener\">Media Mail<\/a>, where weight is the sole determining factor of price. If you\u2019re using a Priority Mail Flat Rate packaging provided by USPS though, it\u2019s charged the same flat-rate no matter the weight.&nbsp;<\/p>\n\n\n\n<p>For those businesses shipping with USPS Marketing Mail, your package will cost the same if it weighs between 1 and 3.5 ounces, so long as they are Carrier Route, Automation, and Machinable Nonautomation letters. Nonautomation Carrier Route and Nonmachinable letters can weigh up to 4 ounces, but become flat-size mailpieces once they weigh more than that.<\/p>\n\n\n\n<p>Carrier Route letters are batches of at least 10 letters going to nearby addresses. Automation letters have Intelligent Mail barcodes and can be processed by postal equipment. Machinable Nonautomation letters have correct addresses but still need human handling. Machinable Nonautomation letters require manual handling.<\/p>\n\n\n\n<p>For <a href=\"https:\/\/www.stamps.com\/usps\/first-class-mail\/\" target=\"_blank\" rel=\"noreferrer noopener\">First-Class Mail flats<\/a>, postage is calculated in full ounces. This means any fractional weight will be rounded up to the next whole ounce.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-size-and-shape\">Size and Shape<\/h3>\n\n\n\n<p>One very important distinction to know when it comes to a package\u2019s size and shape is the difference between letters and flats.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-letters\">Letters<\/h3>\n\n\n\n<p>Letters are rectangular, 3-\u00bd\u201d to 6-\u215b\u201d high, 5\u201d to 11-\u00bd\u201d long, and about as thick as an index card. It&#8217;s important that letters are rectangular, because that is what the postal equipment is built to handle. Something shaped differently may create a problem in the equipment, resulting in an extra charge. If you do have something slightly too large or out of shape, consider folding it down to meet the requirements.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-flats\">Flats<\/h3>\n\n\n\n<p>USPS considers flats and large envelopes the same. They&#8217;re bigger than letters and usually cost more. To get the lowest price, consider folding your flat to fit letter size requirements, but remember that weight affects the cost as well.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-destination\">Destination<\/h3>\n\n\n\n<p>As mail travels, it passes through different \u201czones.\u201d Zone 1 is local to you, Zone 9 is very far away. Not every service becomes more expensive the more zones it crosses though. <strong>First-Class Mail, USPS Marketing Mail, Library Mail, and Media Mail are the same price no matter the destination.<\/strong> Priority Mail Express, Priority Mail, USPS Retail Ground, and Bound Printed Matter do care about crossing zones.&nbsp;<\/p>\n\n\n\n<p>One way to potentially save money on far-traveling packages is to use Flat Rate packaging. These are boxes and envelopes the USPS offers that are charged the same flat rate regardless of their destination. This can be a great way to get consistent pricing on mail that is being sent multiple zones away. You can even use Flat Rate packaging on international shipments, though lower weight limits do apply.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-find-the-right-postage-with-a-postage-rate-calculator\">Find the Right Postage with a Postage Rate Calculator<\/h2>\n\n\n\n<p>One simple way to find the right postage every time, is to sign up for a <a href=\"https:\/\/www.stamps.com\/postage-online\/\" target=\"_blank\" rel=\"noreferrer noopener\">Stamps.com account!<\/a> As your one-stop mailing solution, we calculate the most efficient and affordable way to send mail. Stop guessing if you have the lowest price and start saving with our expert service.<\/p>\n\n\n\n<p>USPS also has a <a href=\"https:\/\/www.stamps.com\/calculators\/how-to-use-usps-shipping-calculator\/\" target=\"_blank\" rel=\"noreferrer noopener\">calculator tool<\/a> of their own that you can use to find accurate USPS shipping rates. You\u2019ll start off by inputting basic information like the package\u2019s start point and destination. After declaring all the proper dimensions and contents, you\u2019ll be shown a list of shipping options to choose from.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"384\" src=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2024\/07\/Screenshot-2024-07-30-at-7.59.13\u202fAM-1024x384.png\" alt=\"\" class=\"wp-image-249033\" srcset=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2024\/07\/Screenshot-2024-07-30-at-7.59.13\u202fAM-1024x384.png 1024w, https:\/\/www.stamps.com\/wp-content\/uploads\/2024\/07\/Screenshot-2024-07-30-at-7.59.13\u202fAM-300x112.png 300w, https:\/\/www.stamps.com\/wp-content\/uploads\/2024\/07\/Screenshot-2024-07-30-at-7.59.13\u202fAM-768x288.png 768w, https:\/\/www.stamps.com\/wp-content\/uploads\/2024\/07\/Screenshot-2024-07-30-at-7.59.13\u202fAM-1536x575.png 1536w, https:\/\/www.stamps.com\/wp-content\/uploads\/2024\/07\/Screenshot-2024-07-30-at-7.59.13\u202fAM.png 1538w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cost-of-postage-stamp-vs-metered-mail\">Cost of Postage Stamp vs. Metered Mail<\/h2>\n\n\n\n<p>Another way for small to medium sized businesses to cut costs is to use Metered Mail. With Metered Mail, you can print your postage online, skipping out on long lines. You can also access discounts not available at USPS retail locations. By using a meter with a Stamps.com account, your letters will cost<a href=\"https:\/\/www.stamps.com\/article\/usps-rate-change\/#:~:text=First%2DClass%20Mail%20stamps%20are,by%20an%20average%20of%207.8%25\" target=\"_blank\" rel=\"noreferrer noopener\"> 69 cents per ounce<\/a> instead of 73 cents. As those time and financial savings add up, you&#8217;ll find yourself able to focus on parts of your business you might have previously been unable to get to.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-pro-tips-for-postage\">Pro Tips for Postage<\/h2>\n\n\n\n<p>There is a lot going on in the world of mailing. It can be overwhelming, especially for business owners who just want to get their packages out the door at an affordable price. To achieve that, there are a few final tips to keep in mind.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-always-weigh-your-mail\">Always Weigh Your Mail<\/h3>\n\n\n\n<p>Having an accurate weight measurement for your package is key, especially with First-Class Mail flats where partial ounces are charged as whole ounces. This is a great reason to use a Meter because it will weigh the package and charge the appropriate postage in the same instance. It\u2019s essentially a mail weight calculator. Regardless of how you weigh, having inaccurate weights listed is a sure fire way to waste money and postage.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-invest-in-forever-stamps\">Invest in Forever Stamps<\/h3>\n\n\n\n<p>If you\u2019re often shipping normal-sized, one ounce letters within the United States, <a href=\"https:\/\/www.stamps.com\/usps\/forever-stamps\/\" target=\"_blank\" rel=\"noreferrer noopener\">Forever Stamps<\/a> can be a great long-term investment for your business. These stamps retain the postage cost from the time they were bought, even if postage changes over time. You can print these with the USPS official Stamps.com feature <a href=\"https:\/\/help.stamps.com\/hc\/en-us\/articles\/20821630044955-Printing-<a href=\"https:\/\/www.stamps.com\/article\/how-to-print-netstamps\/\">NetStamps<\/a>#undefined\">NetStamps<\/a>. NetStamps sheets do not expire, and can hold up to 25 stamps, including Forever Stamps. This way you can <a href=\"https:\/\/www.stamps.com\/mail\/print-stamps-online\/\">print postage<\/a> in bulk, and at a lower price.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-does-postage-expire\">Does Postage Expire?<\/h3>\n\n\n\n<p>As you might expect, Forever Stamps do not expire. Metered postage however does need to be sent out the day it is printed. NetStamps work a little differently though. <a href=\"https:\/\/www.stamps.com\/article\/usps-rate-change\/\" target=\"_blank\" rel=\"noreferrer noopener\">NetStamps printed before the July 14th<\/a> rate increase retain their price, but you will need to print a second NetStamp to make up the price difference. If your original NetStamp was printed at the old rate of 64 cents, you\u2019ll need to print a new one for 5 cents to match the current postage requirement of 69 cents.&nbsp;&nbsp;<\/p>\n\n\n\n<p>Postage is likely where a majority of your business\u2019 time and money is spent. Getting accurate measurements of weight, size, and distance is important, but can be a lot to keep track of. This is why so many businesses use Stamps.com. With our <a href=\"https:\/\/www.stamps.com\/postage-online\/postage-discounts\/\" target=\"_blank\" rel=\"noreferrer noopener\">discounts<\/a> and <a href=\"https:\/\/help.stamps.com\/hc\/en-us\/articles\/20821630044955-Printing-NetStamps\" target=\"_blank\" rel=\"noreferrer noopener\">printing options<\/a>, Stamps.com can be the solution to your postage problems. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.stamps.com\/registration\/\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/01\/Blog-CTA-1-1024x576.jpg\" alt=\"\" class=\"wp-image-250120\" srcset=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/01\/Blog-CTA-1-1024x576.jpg 1024w, https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/01\/Blog-CTA-1-300x169.jpg 300w, https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/01\/Blog-CTA-1-768x432.jpg 768w, https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/01\/Blog-CTA-1-1536x864.jpg 1536w, https:\/\/www.stamps.com\/wp-content\/uploads\/2025\/01\/Blog-CTA-1.jpg 1601w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Stamps are an essential piece in the world of mailing. Very rarely though do they offer much guidance outside of \u201cpeel here and stick there.\u201d Stamps give no answers to important questions like: What impacts postage costs? How do you determine the right postage? Do stamps expire? And of course, how many stamps do you [&hellip;]<\/p>\n","protected":false},"author":98,"featured_media":249029,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[103],"tags":[],"class_list":["post-249028","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-common-questions"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.1 (Yoast SEO v25.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How Many Stamps Do I Need? Stamps.com<\/title>\n<meta name=\"description\" content=\"Quickly calculate how many stamps you need to mail letters and packages.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.stamps.com\/article\/how-many-stamps-do-i-need\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Many Postage Stamps Do You Need? A Guide\" \/>\n<meta property=\"og:description\" content=\"Quickly calculate how many stamps you need to mail letters and packages.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.stamps.com\/article\/how-many-stamps-do-i-need\/\" \/>\n<meta property=\"og:site_name\" content=\"Stamps.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/stampscom\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-01-16T16:43:19+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-08T18:27:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.stamps.com\/wp-content\/uploads\/2024\/07\/Blog-Image-.png\" \/>\n\t<meta property=\"og:image:width\" content=\"2000\" \/>\n\t<meta property=\"og:image:height\" content=\"1014\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Sam Mitchell\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@stampscom\" \/>\n<meta name=\"twitter:site\" content=\"@stampscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Sam Mitchell\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.stamps.com\/article\/how-many-stamps-do-i-need\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.stamps.com\/article\/how-many-stamps-do-i-need\/\"},\"author\":{\"name\":\"Sam Mitchell\",\"@id\":\"https:\/\/www.stamps.com\/#\/schema\/person\/8295dbd8457a2c9e21459145b3649729\"},\"headline\":\"How Many Postage Stamps Do You Need? 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