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Invitation Postage

Postage for a 2 oz Invitation

An invitation over 1 oz and up to 2 oz costs $1.11 to mail. That is the 2 oz letter price, and one Two-Ounce stamp covers it exactly.

Units

Stuffed and sealed, on a kitchen or postal scale

Letters max out at 0.25 in

Which way does the address run?
What are you mailing?
Anything on or in it?
Envelope drawn to scaleEnvelope 7.25 in long by 5.25 in high, with the address running along the 7.25 in side. Length divided by height is 1.38. That is inside the 1.3 to 2.5 range, so it passes the aspect ratio rule.Right edge must land in the green zone6.825 in to 11.5 in long7.25 in long5.25 in high
Drawn to scale with the address running left to right. Length ÷ height = 1.38 (must be 1.3 to 2.5).

Your answer

Standard letter

No extra postage

Regular letter postage. No surcharge.

Postage per piece
$1.11
100 invitations
$111.00

Stamps for each one

1 × Two-Ounce (often sold as a wedding stamp)

Why

  • This is a standard letter: within 6.125 x 11.5 in, no thicker than 0.25 in, and length divided by height is 1.38 (it must be between 1.3 and 2.5). USPS rule

Rates last verified on

100 invitations: $111.00 in postage ($1.11 each, standard letter)

The usual weight for a wedding suite

A full suite, with the invitation, a reply card and its envelope, and a details card, very often weighs between 1 and 2 oz. USPS sells a Two-Ounce stamp for exactly this weight.

If you have not weighed yours yet, 2 oz is a sensible figure to budget with. Confirm it on a scale before you buy stamps, because the lines on either side are strict.

Three ways to pay it

All of these are valid postage for a 2 oz letter:

  • One Two-Ounce stamp. Worth $1.11. One stamp, exact postage, the tidiest look.
  • One Forever stamp plus one Additional Ounce stamp. $0.82 + $0.29 = $1.11. Exact, and useful when you want a particular Forever design.
  • Two Forever stamps. Worth $1.64. It works, but you overpay $0.53 per invitation, which is $53.00 per 100.

Two-Ounce stamps keep their value

The Two-Ounce stamp is a Forever-type stamp: it is always worth the current 2 oz letter price, even if you bought it before a price change. Stamps left over from an earlier year still cover a 2 oz invitation today.

When 2 oz costs more

A nonmachinable 2 oz invitation is $1.60. That covers square envelopes, wax seals, ribbons and rigid cards. For 100 invitations the total goes from $111.00 to $160.00.

And the 2 oz line is strict. At 2.1 oz the price is $1.40. If you are within a tenth of an ounce, trimming a little weight pays for itself.

What 2 oz costs for the batch

At $1.11 each, 100 invitations cost $111.00 and 150 cost $166.50. If you pre-stamp reply envelopes, add $0.82 per invitation for those; the reply stamp is already part of the 2 oz you weighed, but it is a separate purchase.

Compare the options

2 oz in different envelopes
OptionMail classEachFor 100
A7 rectangle, 2 ozStandard letter$1.11$111.00
A7 with a wax seal, 2 ozNonmachinable letter$1.60$160.00
5.5 in square, 2 ozNonmachinable letter$1.60$160.00
6.5 in square, 2 ozLarge envelope (flat)$1.98$198.00
A7 at 2.1 ozStandard letter$1.40$140.00

Questions and answers

How much does a 2 oz invitation cost to mail?

$1.11 in a standard rectangular envelope, or $1.60 if it is square, wax sealed or otherwise nonmachinable.

Can I use two Forever stamps on a 2 oz invitation?

Yes, but two Forever stamps are worth $1.64 and you only need $1.11. A Forever stamp plus an Additional Ounce stamp is exact.

What is a 2 oz stamp for wedding invitations?

It is the USPS Two-Ounce stamp. It is always worth the current 2 oz letter price, $1.11 today.

How many stamps for a 2 oz square invitation?

Enough for $1.60. Two Forever stamps cover it with a small overpayment.

Are old Two-Ounce stamps still good?

Yes. Two-Ounce stamps keep pace with the 2 oz price, so older ones still cover a 2 oz letter.

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