11 1/2 inches by 6 1/8 inches
Yes, postage is determined by weight category, not envelope size. Everything that weighs one ounce or less falls into the same weight category.
If it fits in a standard business size envelope, regular domestic postage stamp.
There is not a set price based on the size of the envelope. The final amount of postage will depend on the weight, the destination of the envelope and the thickness and/or the rigidness of the parcel.
For flat paper items, postage goes by weight, not by size.
It is not the size of the envelope that matters, it is the weight - it is probably best to have the package weighed at the Post Office to obtain the correct postage.
In the UK, it is not only the weight, but also the size and thickness of the envelope or package, and the destination (UK or abroad). It is best take take the envelope to a post office to ensure the correct postage is used.
Postage is by weight - not size where letters are concerned.
3 1/2" x 5"
Postage is determined by weight and by size. An envelope with three pieces of normal paper can normally be sent with one first class postage stamp. Additional stamps may be required based on additional ounces and on the size of the envelope.
A person should allow three days for a letter with first class postage to travel from Dallas, Texas to Columbus, Ohio. If mailed in a regular letter-size envelope, the postage cost is 49 cents as of September 2014.
an 8x8 envelope is charged "parcel rate"..because it is square and over the letter size dimension...cant be a "large envelope" because it is not rectangular
There are specific rules set by the United States Postal service regarding size and what is accepted and what is not. In regards to the maximum size for invitation envelopes, The requirements state that the envelope must be at least 3.5 inches tall by 5 inches wide, and a maximum measurement of 6.125 inches tall by 11.5 inches wide.