Wedding Planning

Wedding Budget Calculator and Cost Breakdown

Build a wedding budget category by category with example percentages, a worked $30,000 example and a step-by-step guide to the free WeddingOS budget calculator.

Updated · 7 min read

The simplest way to build a wedding budget is to start with one total you can afford, split it across categories using example percentages, and then shift money toward the two or three things you care about most. This guide shows a typical category split, a worked example for a $30,000 wedding and exactly how to use the free WeddingOS budget calculator to do the math for you.

Key takeaways

  • Decide your total first, from savings and confirmed contributions, before you look at venues.
  • A common starting split puts venue and catering together at about half the budget.
  • Set aside a contingency of around 8 percent and don't spend it until late in planning.
  • Raise your top priorities and take the difference from everything else, so the total stays the same.
  • Treat any split as a starting point, then replace estimates with real quotes as they arrive.
Illustrated calculator next to a donut chart and a notebook with a heart, with the title Wedding Budget Calculator and Cost Breakdown
Illustrated calculator next to a donut chart and a notebook with a heart, with the title Wedding Budget Calculator and Cost Breakdown

Step 1: Set your total budget

Your total is the one number everything else depends on, so set it before you tour venues or talk to vendors.

  1. Add up what you have. Savings you're willing to spend on the wedding, plus anything you can set aside each month until the date.
  2. Confirm contributions. If family members are helping, ask for an amount (and any expectations attached) rather than assuming.
  3. Agree on a ceiling. Choose a total you can pay without debt you're uncomfortable with. Both partners should agree on it.

If you don't know what's realistic for your area and guest count, our guide How Much Does a Wedding Cost in the USA? explains the main cost drivers and gives example ranges.

Step 2: Split the total by category

Next, divide the total into categories. The split below is a common starting point for a single-day wedding in the US, UK or Canada. It's also the base split the WeddingOS calculator uses.

Category Example share What it usually covers
Venue 28% Ceremony and reception spaces, venue fees, sometimes tables and chairs
Catering 22% Food, drinks, service staff, cake if not separate
Photography and video 10% Photographer, videographer, albums
Decor and flowers 8% Florals, centerpieces, rentals for decor, lighting
Contingency 8% Surprises, overages, last-minute needs
Attire and beauty 7% Outfits, alterations, accessories, hair and makeup
Music and entertainment 6% Band or DJ, ceremony musicians, sound equipment
Planner 4% Planner or day-of coordinator
Rings 3% Wedding bands
Stationery 2% Save-the-dates, invitations, signage, postage
Transport 2% Wedding party and guest transport

These are example percentages, not rules. If your venue includes catering, look at those two lines together. If a friend is officiating and you're skipping a planner, move that money where you need it.

Donut chart of an example wedding budget split: venue 28 percent, catering 22, photography and video 10, decor and flowers 8, contingency 8, attire and beauty 7, music 6, planner 4, rings 3, stationery 2, transport 2
Donut chart of an example wedding budget split: venue 28 percent, catering 22, photography and video 10, decor and flowers 8, contingency 8, attire and beauty 7, music 6, planner 4, rings 3, stationery 2, transport 2

Why keep a contingency?

Almost every wedding has surprises: a service charge you didn't notice, extra rentals, a rain plan, a late RSVP surge. A contingency gives you room to absorb them without cutting something you love. Keep it untouched until the final month or two, then release whatever's left to your priorities.

Step 3: Adjust for your priorities

Every couple values different things. Pick your top two or three priorities and give them more, then take the difference from the rest so your total doesn't change.

For example, if photography is your top priority, you might raise it from 10 percent to 13 percent and take those three points from the other categories in proportion to their size. Venue would drop from 28 percent to about 27 percent, catering from 22 to about 21, and the smaller categories would each give up a fraction of a point. Leave the contingency alone.

Good questions to find your priorities:

  • What do you want to remember most in 20 years?
  • What would guests notice if it were missing?
  • What are you happy to keep simple, borrow or skip?

Worked example: $30,000 for 100 guests

Here is the base split applied to an example total of $30,000 for 100 guests. Your own numbers will differ by city, season and vendor.

Category Share Example amount
Venue 28% $8,400
Catering 22% $6,600
Photography and video 10% $3,000
Decor and flowers 8% $2,400
Contingency 8% $2,400
Attire and beauty 7% $2,100
Music and entertainment 6% $1,800
Planner 4% $1,200
Rings 3% $900
Stationery 2% $600
Transport 2% $600
Total 100% $30,000

That works out to $300 per guest overall and $66 per guest for catering. Per-guest numbers are a quick reality check. If local caterers quote well above $66 per guest, you'll know early that you need to move money from other categories, trim the guest list or choose a venue that includes food.

How to use the WeddingOS budget calculator

The free calculator does this math for you and keeps everything adding up to your total.

Four steps to use the wedding budget calculator: enter total and currency, add guests, choose up to three priorities, optionally switch on multi-event mode, then read the results
Four steps to use the wedding budget calculator: enter total and currency, add guests, choose up to three priorities, optionally switch on multi-event mode, then read the results
  1. Enter your total budget and currency. The calculator supports US dollars, Canadian dollars, British pounds and Indian rupees.
  2. Add your expected guest count. This is used to show your budget per guest and your catering budget per guest.
  3. Choose up to three priorities. Each priority gets 3 extra percentage points, taken proportionally from the other categories. The contingency is never reduced.
  4. Switch on multi-event mode if you need it. For weddings with several events, you can split the budget across mehndi, sangeet, haldi, ceremony and reception (see below).
  5. Read your results. You'll see an amount for each category, your contingency and your per-guest figures. Amounts are rounded to whole units and still add up exactly to your total.

Run your own numbers: open the free Wedding Budget Calculator, enter your total and guest count, and pick your top priorities.

Multi-event mode

Many South Asian weddings, and other weddings with several celebrations, need a budget per event. In multi-event mode, the calculator keeps stationery, rings, planner and contingency at the wedding level, then splits every other category across the events you choose. The default weighting gives the ceremony and reception the largest shares, followed by the sangeet, mehndi and haldi, re-weighted to whichever events you select. Treat these shares as a starting point and adjust them to your family's plans.

Turn the estimate into a working budget

A calculator gives you targets. A working budget tracks what actually happens. For each category, keep four columns:

  • Target: the amount from your split.
  • Quote: the written quote, including tax, service charges and delivery.
  • Paid: deposits and payments made so far, with dates.
  • Due: remaining balances and their due dates.

Update it every time you sign a contract. When a quote comes in over target, decide right away where the difference comes from, so overspending doesn't pile up at the end.

Track it in WeddingOS: budget tracking with forecasts shows your targets, quotes, payments and where your total is heading as you book vendors. Create your free wedding plan.

Common budgeting mistakes

  • Booking before budgeting. A dream venue that eats 45 percent of the budget squeezes everything else.
  • Forgetting the "extras." Service charges, sales tax, delivery, overtime, alterations, postage and tips.
  • Spending the contingency early. Protect it until the final weeks.
  • Not tracking small purchases. Lots of small purchases add up. Log them too.
  • Ignoring who pays for what. If family is contributing to specific items, record it so everyone knows.

Frequently asked questions

What percentage of a wedding budget should go to the venue?

A common starting point is around 28 percent for the venue and 22 percent for catering, so roughly half the budget together. If your venue includes food and drinks, combine the two lines. Adjust based on your priorities and the quotes you receive.

How much should we set aside for a wedding contingency?

Many couples hold back around 5 to 10 percent; the WeddingOS calculator uses 8 percent. Keep it separate from the category budgets and don't spend it until late in planning. Whatever is left can then go to your priorities.

How do I make a wedding budget with a calculator?

Enter your total budget, currency and expected guest count, then choose up to three priorities. The calculator splits the total into categories and shows your budget per guest. Use the results as targets and replace them with real quotes as you book.

Does the budget calculator work for Indian weddings with several events?

Yes. The calculator has a multi-event mode for mehndi, sangeet, haldi, ceremony and reception, and supports Indian rupees as well as US and Canadian dollars and British pounds. Shared costs like rings, stationery, planner and contingency stay at the wedding level.

Are budget percentages the same everywhere?

No. Percentages are only a starting point. Local venue and catering prices, your guest count and your priorities can change the split a lot, so always check it against written quotes from vendors in your area.

Plan it in one place

Keep your guest list, budget, vendors and timeline together, and share them with family.

Create your free wedding plan Try the free tools

More wedding planning guides