A wedding-planning spreadsheet that works.

A wedding-planning spreadsheet is the single most useful non-purchase tool couples make at the start of the process. A good one tracks the budget line by line, the guest list with RSVP status, the vendor list with contract and payment status, and the timeline. Four tabs, one document. No fancy formulas required.

Below is the structure we use with clients. It is set up to be copied, customised, and filled in. You can build it in Google Sheets, Excel, Numbers, or Notion; the structure is the same either way.

One row per line item. Columns: category, line, estimated cost, actual cost, deposit paid, balance due, vendor, notes.

Categories in roughly this order: Venue, Catering, Planning, Photography, Videography, Florals, Music, Attire, Stationery, Transport, Accommodations, Paperwork, Contingency, Other.

At the bottom: a sum row. A second sum row showing the 15% contingency target. A cell calculating actual-vs-estimated so you can see overages at a glance.

Update weekly. The single most useful thing a budget spreadsheet does is show you when a category is drifting before it is too late to correct.

One row per guest. Columns: first name, last name, relationship (bride's side / groom's side / mutual), invitation address, invitation sent date, RSVP status (attending / not attending / pending), plus-one name if applicable, dietary requirements, accommodation (where they are staying), transfers needed, notes.

At the top: counters showing total invited, total yes, total no, total pending. These pull from the RSVP column via COUNTIF.

Colour-code the rows: green for yes, red for no, yellow for pending. You will use this visual at a glance daily in the last six weeks.

One row per vendor. Columns: category (venue, catering, photographer, florist, etc.), vendor name, contact person, email, phone, contract signed (date), deposit paid (amount + date), balance due (amount + date), arrival time on the day, contract notes.

This tab becomes the source of truth in the last month. Your planner should have a copy; you should be able to find any vendor's contact and contract status in under thirty seconds.

One row per task. Columns: phase (Foundation / Vendors / Design / Detail / Finalising / Week-of), task, due date, owner (you / partner / planner / wedding-party member), status (not started / in progress / done).

Mirror the 18-month planning checklist structure for the task list; add a custom column for your specific destination or cultural requirements.

This tab is the one that keeps you honest on what is ahead. Filter to "not started" + due in the next 30 days whenever planning feels overwhelming; it usually is not as bad as your head makes it feel.

Some couples outgrow the spreadsheet and move to dedicated wedding-planning tools. Aisle's planning dashboard handles budget, guest list, vendors, and timeline in an integrated way, plus the wedding website, RSVP tracking, and guest communication. Notion works well if you want more flexibility in how you organise non-spreadsheet material (ceremony scripts, vendor quotes, inspiration boards).

The spreadsheet remains the simplest starting point. Build it first, use it for a month, and migrate to a tool only if you find it limiting. Most couples do not.