Practical wedding planning tools
Free wedding calculators for the numbers that actually matter
Budget splits, bar orders, tent sizes, tip envelopes, room blocks: the planning questions with numeric answers, answered in seconds.
19 free calculators · no login · instant, shareable results.
Our biggest tool
Wedding Seating Chart Generator
Drag guests to tables, sketch your real floor plan, catch problems before the big day, and export print-ready charts, escort cards, and a find-your-seat board — all free, no login.
- Drag-and-drop table assignments
- Visual floor-plan designer
- Print, PNG & PDF exports
- Shareable link — no account
Most used
Popular calculators
- Wedding Budget CalculatorOne number in, a full plan out: enter your total budget and see what each category gets, contingency reserve included.Budget & money
- Wedding Budget TrackerA running ledger of planned vs. actual spending for every wedding category, so you always know what's left. Free, no login, saved on your device.Budget & money
- Wedding Alcohol CalculatorHow much wine, beer, liquor, and champagne to buy, based on your guest count and how long the bar is open.Food & drink
- Wedding Catering CalculatorAppetizer counts, meal servings, dessert, and late-night snacks, sized to your meal style.Food & drink
- Guest List CalculatorThe guest list is where budgets go to die. Count it honestly: invite list, RSVP rate, plus-ones, and vendor meals in, a realistic headcount out.Guests & seating
- Wedding Timeline CalculatorA realistic day-of timeline, from getting ready in the morning through the send-off.Day-of logistics
- Wedding Seating Chart GeneratorAdd guests and tables, drag to assign seats, catch problems, and print or export the finished chart. No account needed.Guests & seating
Why use Wedding Math?
Built for real planning
Every tool answers a concrete question: how much, how many, how long.
No account, no catch
Nothing to sign up for. Use it, copy your numbers, and move on.
Shareable & printable
Send a link to your partner or print a clean copy for your binder.
Numbers you can check
Transparent formulas, cited sources, and open, unit-tested math.
Planning categories
Budget & money
Plan what you'll spend and where it goes.
Food & drink
Order the right amount of food and drinks.
Guests & seating
Size your guest list and fit everyone in the room.
Day-of logistics
Hotels, transportation, and the day-of schedule.
Popular guides
View all →How Much Alcohol Do You Need for a Wedding?
The two-drinks-first-hour rule, how crowd type changes the math, and a ready-to-shop bottle breakdown.
6 min readWedding Budget Breakdown: Where the Money Goes
A category-by-category percentage guide plus how to flex the numbers toward what matters most to you.
7 min readHow Many Appetizers Per Person for a Wedding?
How many pieces per guest for light, moderate, and heavy passed apps, and when apps replace dinner.
5 min readWedding Day Timeline Template
A sample timeline from getting ready to send-off, plus the buffers that keep the day on track.
7 min readOne plan, every number
Bring the whole wedding into one plan
Enter your details once and get budget, guest count, food, drink, seating, and the day-of timeline together, on one shareable page.
The reference shelf
Quick answers by the numbers
Frequently asked questions
Are these wedding calculators really free?
Yes. Every calculator is free to use, with no login or sign-up required. You can copy, print, or share your results instantly.
How accurate are the estimates?
Our calculators use widely accepted planning rules of thumb to give you realistic ballpark numbers. They're a starting point — always confirm final quantities and pricing with your venue and vendors.
Do I need to create an account?
No account is needed. Your inputs are saved in the page URL, so you can bookmark or share a link to come back to your exact numbers.
Can I share my results?
Yes. Each calculator builds a shareable link as you type, plus buttons to copy your results to the clipboard or print them.