Wedding budget calculator: split your total across every line

How to calculate a wedding budget: start with a total and a guest count

To calculate a wedding budget, you need two numbers: the total you can spend and the number of guests you expect, because the guest count decides how much of the total each category can take.

The total comes first because it is the only number that is truly yours. It is the money you have saved plus whatever family members have said, clearly and out loud, that they will contribute. Anything that is only a hope stays out until someone confirms it.

The guest count comes second because it drives the biggest lines. Food, drinks, rentals, and sometimes the venue itself are priced in some way per person. Change the guest count by ten and the whole breakdown moves, so it helps to try two or three headcounts rather than falling in love with one.

A breakdown is a starting point, not a verdict. It tells you where the money tends to want to go, and your job is to move it toward what you actually care about. A couple who would rather have great music than a tall cake should see that in their budget.

How to read a breakdown: each category answers one question

Each category in a wedding budget covers one job, and the worksheet below lists what that job includes, so you can tell whether a quote belongs on that line or on another one.

The most common mistake is not a bad split, it is a line that quietly absorbs costs from another line. Rentals show up inside the venue quote, the bar shows up inside catering, and the same chairs get counted twice. Before you compare a vendor quote with a category, read what is included and write it next to the line.

When two lines overlap, pick one home for the cost and note it on the other. This is a small habit, and it is the difference between a budget that matches your bank statements in month nine and one that is off by a mystery amount.

Fixed costs versus per-guest costs: what moves when you add ten guests

A fixed cost stays the same whatever your guest count, while a per-guest cost rises or falls with every person you add or remove.

Photography, music, officiant, and most attire are usually fixed: the photographer shoots the same day whether there are 60 guests or 90. Catering, the bar, rentals, and stationery are usually per guest, because every extra person needs a plate, a glass, a chair, and an invitation.

Some lines are mixed, and these are the ones to ask about. A venue may have a flat rental fee plus a per-person minimum for food. Flowers may be fixed for the ceremony and per table for the reception. Transportation may be one shuttle or two depending on the headcount. For each mixed line, ask the vendor where the price steps up, because the jump often happens at a specific number of guests.

• Mostly fixed: photo and video, music, officiant, attire, ceremony décor, and the license.
• Mostly per guest: food, drinks, rentals, stationery, favors, and guest transportation.
• Mixed, so ask: venue, flowers, cake, and anything priced by table.

This split is why cutting guests saves more than it seems to. Ten fewer guests lowers every per-guest line at once, and it can also take you under a vendor’s step, such as one fewer table or one smaller room. Your guest list is the biggest lever on the whole page.

When the total does not fit: pull three levers, in this order

When the breakdown adds up to more than your total, change the guest count first, then the date and day, and only then start dropping categories.

1. Guest count. It moves the most lines at once, and it is the lever that costs you nothing to test. Try a version of the list that is 15 or 20 guests shorter and see what the breakdown does. If you want a model for a much smaller day, see this micro wedding checklist.
2. Date and day. Many venues and vendors price a Friday, a Sunday, or an off-season date differently from a peak Saturday. Not all of them do, so ask each one directly rather than assuming. Moving the date can change a venue line without touching your guest list.
3. Categories you can drop or shrink. Decide what you would not miss: a second photographer, printed programs, a large floral installation, favors. Dropping a line you do not care about hurts less than shaving ten percent off every line you do.

Resist the urge to squeeze the cushion or the vendors who matter most to you. A tight photography or music budget is rarely where couples feel relieved later.

If you are doing more of the work yourselves to make the numbers fit, be honest about your time too. Our guide to planning without a planner covers what that really involves.

From estimate to real budget: planned, booked, and left to spend

An estimate becomes a real budget when every line carries three numbers: what you planned to spend, what you have actually booked, and what is left to spend.

The planned number is your breakdown. The booked number is what a signed quote or contract says you owe. The difference between them is the part that gets forgotten: if you planned a certain amount for flowers and booked less, the rest is not free money, it is room for a line that came in higher.

Then add the dates. A booked amount is not the same as a paid amount, and the real pressure on a budget comes from when payments are due, not only from how much they add up to. Write down the deposit, each installment, and the final balance with its date. Our guide to the deposits and payment schedule shows how to pull those dates out of your contracts.

• Plan every line before you book anything.
• Update a line to “booked” the day you sign, with the quote attached.
• Add each payment with its due date, and mark it paid when it leaves your account.
• Look at what is left to spend on each line before you say yes to an extra.

A spreadsheet can do all of this, and plenty of couples start there. If that is your preference, here is a wedding planning spreadsheet to begin with. The only thing that matters is that one place holds the numbers.

The lines couples forget: ask these questions before you sign

The costs that break a budget are usually not big items, they are small ones that were never on the list, so ask each vendor a handful of questions before you commit.

Tipping, taxes, and service charges differ by state and by vendor, so treat the following as questions, not rules. Ask the vendor, and write the answer on the line.

• Is the quote you gave me before or after taxes?
• Is there a service charge or administrative fee, and is gratuity included or left to us?
• Is there an overtime rate if the evening runs late, and when does it start?
• Who pays for delivery, setup, and pickup of rentals?
• Are alterations or steaming included with attire, and what happens to the fitting schedule?
• What does postage cost for the number of invitations we plan to send, including replies?
• Are there fees for a cake cutting, corkage, or an outside caterer or bar?
• What is your cancellation and date-change policy if our plans move?

Two more habits help. Keep every quote and contract with the line it belongs to, so the answer to “what did they say?” is one click away. And run the checklist at the start of planning, not the week before: our planning checklist puts the budget conversations early in the order.

Keeping the breakdown alive in MyWedding Planner

In MyWedding Planner, each budget line holds the amount planned, the amount booked, and what is left to spend, so the breakdown you start with becomes the budget you track.

Payments sit under their line with due dates and attachments, so a signed quote can be stored next to the payment it created. You can choose the currency your budget is displayed in from a list that includes USD, EUR, GBP, CAD, AUD, MXN, and BRL. It changes the display only, and there is no conversion.

Vendors have their own cards with a status (contacted, quote received, confirmed, declined) and attached documents, which keeps the quote behind a budget line easy to find. The app does not connect to your bank, so you mark payments yourself.

You can start with a free trial, no card required. The trial lets you add up to 10 guests, and the other features are limited during the trial. After that, access is a single payment of €69, with lifetime access, no subscription, and taxes included.