
Wedding Invitation Sizes: Dimensions, Envelopes and Postage
Most wedding invitations are 5 x 7 inches and fit an A7 envelope. See every size in inches and mm, the envelope for each, and why squares cost more.
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Wedding etiquette is the set of conventions behind who you invite, how you word and address your invitations, and how you thank guests afterward. Most of it nobody explains until you need it. These guides cover the rules couples actually face, with copy-ready wording and guidance checked against the Emily Post Institute.
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Most wedding invitations are 5 x 7 inches and fit an A7 envelope. See every size in inches and mm, the envelope for each, and why squares cost more.
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Most wedding etiquette has softened into preference, but a few rules still hold because they protect guests from confusion or hurt feelings. These are worth following even at a relaxed wedding.
Anyone invited to a pre-wedding party is invited to the wedding. Engagement parties, showers and bachelorettes all count, office showers aside. Our guide to wedding invitation etiquette covers the guest list, plus ones and the conversations that follow.
A save the date commits you to an invitation. Send one only to guests you are certain about, and only once the list is final.
The envelope decides who is invited. Whoever is named is invited, and leaving a name off is how you signal that children or a plus one are not. Addressing wedding invitations walks through families, couples and titles.
Registry details stay out of the invitation suite. Not on the invitation and not on an enclosure card. They belong on your wedding website.
Every gift gets a handwritten note. The card itself can be printed, but the message inside is written by hand, including for cash and group gifts.
Plenty of conventions now come down to what fits your day.
Naming your parents as hosts. It once signaled who was paying. Today it usually honors them, and couples hosting themselves can include them or open with their own names. Our wedding invitation wording guide has examples for every family situation.
Printing a dress code. Your invitation's design already signals formality. Add a code only when the venue or season could mislead guests, and keep it to two or three words. Wedding dress code wording has lines for every level.
Sending save the dates at all. They earn their place for destination weddings, holiday weekends and guests traveling far. For a local wedding, invitations can do the job alone. Our save the date wording guide covers when they're worth it and what to include.
Plus ones for everyone. Spouses, fiances and live-in partners are invited by name. Beyond that, plus ones are your call, as long as you apply the rule consistently.
Handwritten envelopes. Printed addresses are perfectly correct, and postal equipment reads them more reliably than calligraphy.
Across orders placed on Wedding Templates, the median couple buys their first stationery about seven months before the wedding, which lines up with save the date timing. From there, the standard schedule looks like this:
StationeryWhen it goes outSave the dates6 to 8 months before a local wedding, 8 to 12 for a destination weddingInvitations6 to 8 weeks before, or 8 to 10 if many guests are travelingRSVP deadline3 to 4 weeks before the weddingThank you notesWithin three months of receiving each gift
The thank you deadline surprises most couples. The Emily Post Institute's standard is three months, not the year of grace still repeated online. Our wedding thank you card wording guide covers what to write for cash, group gifts and guests who gave nothing.
With the guest list, because every other decision depends on it: how many invitations to order, who gets a save the date, and how each envelope is addressed. Then set a budget; how much wedding invitations cost gives a real price breakdown. When you're ready to design, start from our printable wedding invitation templates and add matching save the date templates and wedding thank you card templates, so the whole suite shares one design.
Every guide is written by Tamjeeda Batool, who has covered the wedding industry for four years, and is checked against primary sources such as the Emily Post Institute and USPS rather than other wedding blogs. Where etiquette authorities disagree, the guides say so and explain both options.