Plan your event with real numbers
Free calculators and planners for parties, weddings, and events. No account, no signup — every tool runs right here in your browser.
All tools
Party & Event Budget Planner
Get a category-by-category budget split for a wedding, birthday, or corporate event — backed by real spending data, adjustable to your own quotes.
Wedding split backed by real data
Open tool →Tent Size Calculator
Figure out what tent size you need based on guest count and seating style — seated dinner, cocktail reception, theater, or conference setup.
Guest count to tent size, instantly
Open tool →Wedding & Event Seating Chart Planner
Build a seating chart by adding guests and tables, then assigning who sits where — with capacity limits, autosave, and a printable export.
Drag, drop, done — no spreadsheet
Open tool →Base64, Hex, Binary & URL Encoder/Decoder
Encode or decode text as Base64, hex, binary, or URL-encoded format — all four at once, with clear explanations of when to use each.
One tool, four encodings
Open tool →Why real numbers, not just a tool
Most planning calculators bury real methodology behind a generic result. Every tool here shows its work — where the default numbers come from, and when they're a named data source versus a general starting point — so you can trust the estimate or know exactly when to override it with your own quote. Event Tools is a companion project toEventRentalCosts.com, which tracks real, verified rental pricing across US metro areas.