RSVP Deadline Calculator

Pick a reply-by date that gives guests enough time and leaves you room to chase missing answers.

Your recommended date will appear here

Choose the event date and planning details above.

When should RSVPs be due?

Weddings commonly need an earlier cutoff because caterers and seating plans require final numbers. Casual birthdays can use a shorter window. Whatever date you choose, avoid making it the same day your vendor needs the count—late replies are normal.

What if guests do not reply?

Send a friendly reminder the day after the deadline. A short message such as “We’re finalizing the headcount today and would love to know if you can join us” is clear without sounding harsh.