Standard envelopes They measure up to a maximum of 245 mm by 156 mm (9.6 inches by 6.1 inches), can be up to 5 mm thick when filled, and can weigh up to 50 g when filled.
How thick is too thick for a letter?
To be eligible for mailing at the price for letters, a piece must be: Rectangular. At least 3-1/2 inches high x 5 inches long x 0.007 inch thick. No more than 6-1/8 inches high x 11-1/2 inches long x 1/4 inch thick.
How thick can a regular letter be?
1/4-inch
For a mailpiece to be eligible for First-Class Mail letter rates, it must be at least 3-1/2 inches by 5 inches by 0.007-inch thick, and no more than 6-1/8 inches by 11–1/2 inches by 1/4-inch thick. If the mailpiece falls within these dimensions, it is classified as a letter. Follow these easy steps for letters: 1.
How thick can a letter posted?
1/4 inch
Letters: maximum thickness 1/4 inch. Large Envelopes: maximum thickness 3/4 inch. Once a piece of mail exceeds the maximum length, height, or thickness of one shape, it automatically gets classified as the next largest shape.
Can an envelope be too thick to mail?
Yes. Large envelopes as well as padded mailing bags must be somewhat flexible (not rigid) and uniformly thick. Items mailed in large envelopes cannot have more than a 1/4 inch variance in thickness.
What happens when a letter is too thick?
If you are mailing overstuffed letters or home-made cards, be aware there is a limitation on the thickness of the envelope. A standard size card that is too fat (over ¼ inch) or too irregular in thickness will not go through automated processing equipment and will need to be processed by hand.
What if my letter is thicker than 1 4 inch?
The maximum size for letters did not change: 11-1/2″ x 6-1/8″ x 1/4″ thick. When a piece of First-Class Mail exceeds any one of the maximum measurements of a letter, it is classified and priced as a large envelope (flat). The maximum weight for letter-size pieces is 3.5 ounces.
How thick can a non machinable letter be?
The nonmachinable surcharge is added to First-Class Mail® with any of the following criteria: For pieces more than 4-1/4 inches high or 6 inches long, the thickness is less than 0.009 inch.
How thick and heavy can a letter be for one stamp?
Weight, Size, & Shape Requirements
Maximum weight for First-Class Mail letters is 3.5 oz; for large First-Class Mail envelopes and parcels, the maximum weight is 13 oz. All postcards and envelopes (or flats) must be rectangular, otherwise an additional charge may apply.
How thick can an envelope be with one stamp?
For example, a square envelope requires additional postage. To meet the standard envelope requirements for using only one Forever Stamp, the envelope needs to be a minimum of 3.5 inches in height by 5 inches in length and the thickness must be a minimum of 0.007 inches.
How many stamps do I need for a thick letter?
Most large envelopes containing documents that USPS delivers weigh one ounce or less. Therefore, most manila and large envelopes only require one Forever stamp to send them.
Can I mail a lumpy envelope?
First-Class Mail letters and USPS Marketing Mail letters that are square, rigid, or unusually shaped are subject to higher prices. Speaking of odd shapes, don’t mail bulky, odd-shaped things like pens or bottle caps in regular letter-size envelopes.
How thick can an envelope be for two stamp?
So, if your letter weighs two (2) ounces, you need two Forever stamps. If your letter hits the maximum amount of 3.5 ounces, USPS will likely require a total of four Forever stamps, since that extra half-an-ounce needs its own postage stamp to cover it.
What is considered package thick envelope?
3/4 Inches Thick
Bubble Mailers and Envelopes are Considered Packages When They’re 3/4 Inches Thick or More. USPS will only accept bubble mailers as packages if their total thickness is 3/4 of an inch or more. This applies not when the bubble mailer is empty, but when the contents of your shipment are inside.
How do I know if my letter is too heavy?
If the large envelope is rigid, contains items that cause more than 1/4 inch variation in thickness, or it is more than ¾″ thick, 12″ high, 15″ long or weighs more than 13 ounces, USPS may consider the envelope, a parcel.
What is the thickest letter?
Capital “M” is conventionally the widest.
What makes a letter non machinable?
Examples of a non-machinable letter:
A letter that has clasps, strings, buttons, or similar closure devices. A letter that is too rigid. A letter that has a delivery address parallel to the shorter side of the mail piece. A letter that contains items such as pens, pencils, or keys that create an uneven thickness.
How do I mail a thick document?
Letters, large or thick envelopes, tubes, and packages containing mailable items can be sent using Priority Mail. This service is typically used to send documents, gifts, and merchandise. Select Priority Mail packaging is available at the Post Office. All Priority Mail packaging can be ordered at www.usps.com/store.
How thick can a small letter be?
5mm
Your envelope will need to be less than 240mm x 165mm and weigh less than 100g, plus the thickness under 5mm, to qualify for this postage rate, so you could use a C6, DL or C5 envelope to fit within this size range. The cost of a standard 2nd class stamp at letter rate is 66p.
How bulky can an envelope be?
13 ounces
Envelopes used for flat mail cannot be more than ¾″ thick, 12″ high, 15″ long or weigh more than 13 ounces. The USPS considers any envelope bigger than this size to be a package, and will be subject to parcel prices.
Which is thicker a 1/4 inch or 1/8 inch?
Fourths are larger than eighths, so one fourth is larger than one eighth.