Wedding Invitation and Postage Calculator

People order invitations by guest count and end up with a hundred spare cards and not enough stamps. The print run is counted in households, the postage is counted in envelopes, and the two numbers are not the same as each other or as the number of guests.

One invitation per address. A couple at one address is one household, not two.
Only used for the day-of stationery below
Addressing mistakes, late additions, keepsakes, one for the photographer. A reorder of twenty is priced almost like a first order.
Card, RSVP card, details card and envelopes, as quoted per set
A postcard rate is usually lower than a letter rate
Check the actual rate for the weight and shape you are sending
Square envelopes, rigid or thick suites and anything over the standard weight are charged more. Take one finished suite to the counter and have it weighed before buying stamps.
A stamped return envelope is a second stamp on every invitation. Zero if replies are online.
Calligraphy or printed addressing. Zero if you are writing them yourself.
Often one per couple rather than per guest
Wedding Invitation Calculator — Print Counts and PostageBuildFigure

Households, envelopes, guests: three different counts

The single most common stationery error is ordering against the guest list. A guest list of 150 might be 110 addresses, so 150 invitations means forty spare sets of expensive card. Meanwhile the RSVP cards need return postage at 110, the menus need printing at 150, and the place cards at 150 as well. Three different denominators, one of which is not the guest count at all.

Work out the household count properly before ordering anything. Two people at one address is one invitation. A family of four at one address is one invitation. Two adult siblings living together may be one or two depending on how you are addressing them, which is a decision you should make before counting rather than after. Once you have the household number, everything before the wedding day is priced off it and everything on the day is priced off the guest number.

The spare percentage is not optional

Printing is dominated by setup cost. The plates, the proof, the press setup and the minimum order are the same for twenty pieces as for two hundred, which means a reorder of a handful of invitations often costs a substantial fraction of what the original order cost. That asymmetry is the reason for a spare allowance, and twelve percent on 110 households is fourteen sets, which sounds generous until you list what they are for.

Where spares goTypical
Addressing mistakes and smudgesSeveral, more if hand-written
Late additions to the listWhatever the B list turns out to be
Lost in the mail or never arrivedOne or two
Keepsakes, framing, the photographerTwo or three

The spares get printed. They do not get stamped, which is why the calculator separates the print run from the mailed count. Buying stamps for the full print run is the mirror image of the same error, and it wastes less money but it wastes it just as pointlessly.

Two stamps, not one

A traditional invitation suite with a reply card and a stamped return envelope carries postage twice: once to send it and once to bring the reply back. That doubles the postage line, and it is the part of the budget most reliably forgotten, because only the first stamp is visible at the point of posting. At the defaults on this page the return postage is eighty dollars on its own.

Moving replies online removes that line entirely and also removes the reply cards from the printed suite, which is a saving on both sides of the ledger. Whether that suits your guests is a separate question — it depends heavily on who is on the list — and it is worth noting that reply rates and reply timing tend to differ between the two, which affects when you can actually settle a headcount on the guest list calculator.

Shape and weight, which is where the surprise lives

A square envelope, a rigid or unusually thick suite, or anything past the standard weight is charged at a higher rate, and the difference per piece is small enough to ignore and large enough to matter across a hundred and ten envelopes. Rates and rules change and vary by country and service, so the only reliable method is physical: assemble one complete finished suite, including every insert and any wax seal or ribbon, take it to a post office counter, and have it weighed and measured. Then buy stamps.

Do that before the full order goes to print if you can, because the shape of the envelope is a design decision that can still be changed at that stage and cannot be changed afterwards. It is the cheapest fifteen minutes in the whole stationery process, and it is the one step people skip.

The day-of pile

Menus, programs, place cards, escort cards, table numbers, a seating chart, bar signs and directional signage are usually quoted separately from the invitation suite and frequently omitted from the stationery budget altogether. Individually they are inexpensive; at one per guest across three categories they add up to a real number, and unlike the invitations they cannot be ordered until the seating is settled, which is late.

Two easy reductions. Programs at one per couple rather than one per guest halves that line and nobody notices, since couples share one anyway. And a single printed seating chart replaces individual escort cards entirely, which is usually cheaper and is certainly faster to correct when someone drops out the week before. Once the numbers here are settled, they belong on the payment schedule alongside everything else, and the whole stationery total goes into the wedding budget. The table-side items are worth sizing against the actual layout from the seating layout calculator before you order them.

Questions people ask

How do I count households when I am not sure how to address someone?

Decide the addressing first, then count. Adult children living at their parents address are commonly sent their own invitation, which makes them a separate household for this purpose even though the address is shared. Housemates who are not a couple are usually addressed individually. Any of these choices is defensible and the calculator does not care which you make, but making them after you have ordered is what produces the reorder. Write the address list out in full before ordering anything, because the list is the order.

How many spares is the right number?

Enough that you never place a second order, because the second order is priced almost like the first. Ten to fifteen percent is a common allowance and it covers addressing errors, a handful of late additions, one or two that never arrive, and a couple kept as keepsakes. If your list has a substantial B list waiting on declines, count that separately and add it to the print run outright rather than hoping the spare allowance absorbs it, because the B list is a known quantity rather than a contingency.

Is digital save the dates worth it?

Financially, clearly — it removes both the printing and the postage from that line entirely, which at the defaults here is around 260 dollars. Whether it is right depends on your guests, particularly guests who are less likely to see or keep an email, and on the fact that a physical card ends up on a fridge where it functions as a reminder for months. A common middle path is digital for most of the list and printed for the people who would genuinely miss the email, which the calculator does not model but which you can price by running it twice.

When should invitations actually go out?

Far enough ahead that guests can arrange travel and time off, and not so far that everyone forgets. What is usual varies by community and by how much travel is involved, and a wedding that requires flights and accommodation needs considerably more notice than a local one. The practical constraint is the one at the other end: work back from the date your caterer needs a guaranteed headcount, allow time for chasing the people who have not replied, and set the reply deadline before that. The wedding guest guide covers what guests are dealing with on their side.

Should the postage go on the wedding budget or somewhere else?

On the budget, as its own line under stationery, because it is large enough to notice and it is the line most often missing. At the defaults here postage is around fifteen percent of the whole stationery total, which is more than most people would guess. Enter the whole figure from this page into the stationery line of your main budget rather than only the printing quote, and put it on the payment calendar in the month it will actually be spent, which is usually several months before most of the other bills.

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