The average U.S. wedding now runs well into five figures, and most couples start planning with a number in mind and end 10-20% over it. The overage rarely comes from one big splurge. It comes from dozens of small line items nobody wrote down. A budget spreadsheet fixes that by forcing every dollar into a row before it gets spent.
Decide the all-in number first: your savings contribution, any family contributions, and anything you are willing to finance (ideally nothing). That total is a ceiling, not a target. Then allocate it by category before you talk to a single vendor, so every quote you receive gets compared against a number you already committed to.
| Category | Typical share | On a $30,000 budget |
|---|---|---|
| Venue + catering | 40-45% | $12,000-$13,500 |
| Photography + video | 10-12% | $3,000-$3,600 |
| Attire + beauty | 8-10% | $2,400-$3,000 |
| Flowers + decor | 8-10% | $2,400-$3,000 |
| Music + entertainment | 5-8% | $1,500-$2,400 |
| Rings | 3-5% | $900-$1,500 |
| Stationery | 2-3% | $600-$900 |
| Contingency reserve | 10% | $3,000 |
The contingency row is the one couples delete first and regret most. Keep it. If you reach the week of the wedding with the reserve intact, it becomes honeymoon money.
Every line item gets three cost columns: estimated (your allocation), quoted (the vendor's number), and actual (what you signed for, including taxes and fees). The spreadsheet earns its keep in the gap between those columns. When the photographer quote lands 30% over your estimate, you see immediately which other category has to give.
Alongside costs, track deposit paid, deposit date, balance due, and balance due date per vendor. Wedding spending is not one purchase. It is fifteen vendors on fifteen different payment schedules across a year.
Build a second tab that lists every payment by due date, not by category. Sort it chronologically. Two failure modes vanish instantly: the missed deposit that puts a booking at risk, and the surprise month where the venue balance, the caterer balance, and the band balance all land in the same pay period. Seeing that pile-up six months early lets you spread payments or renegotiate dates.
Add these as rows on day one, each with a real dollar estimate:
For each major category, a small comparison block (three vendors, their quote, what the quote includes, and your gut read) keeps decisions structured. The "what it includes" column matters more than the price column. A $3,200 photography quote with an engagement shoot, two shooters, and full-resolution files beats a $2,800 quote without them.
The Wedding Budget Planner has the category allocations, the estimated/quoted/actual columns, the payment schedule tab, and the forgotten-items checklist already wired with formulas. Excel and Google Sheets compatible, one-time purchase.
Browse the templatesVenue and catering 40-45%, photography 10-12%, attire 8-10%, flowers 8-10%, music 5-8%, stationery 2-3%, rings 3-5%, contingency 10%. Adjust shares to your priorities, never the contingency.
Category, line item, estimated cost, quoted cost, actual cost, deposit paid and date, balance due and date, vendor, and notes.
Vendor meals, alterations, delivery and setup fees, overtime, and tips. Together they routinely add $2,000-$4,000.
Yes, on a dedicated tab sorted by due date, so deposit deadlines and balance pile-ups are visible months ahead.
For control, offline access, and one-time cost, yes. Apps are convenient but lock you into their categories and upsell vendor marketplaces.