Party Budget Optimizer
You have a number in mind but no idea where to allocate it. This optimizer takes your total budget and shows you the smartest way to split it — food, venue, activities, decorations, favors — with specific cost-saving swaps that cut spending without cutting fun.
Written by Baljeet Aulakh | Last updated February 2026
Quick Answer
To budget a kids birthday party, allocate 30% to food, 15% to decorations, 15% to entertainment, 10% to cake, and split the rest between supplies, favors, invitations, and photography. Use the free Party Genius budget optimizer below to get a personalized allocation with save-or-splurge tips for your exact budget and priorities.
- 30%
- food & drinks
- 15%
- decorations
- 15%
- entertainment
- 10%
- cake
How Should You Split Your Birthday Party Budget?
Quick reference table for common party budgets. Based on 15 kids with all categories set to nice-to-have. The optimizer above adjusts for your exact priorities, guest count, and must-have categories.
Pro Tip
The 50/30/20 rule for party budgets: 50% on food + venue (the essentials), 30% on activities + entertainment (the fun), 20% on decorations + favors (the extras). If you're over budget, cut from the 20% first — decorations are the first thing parents over-spend on and the last thing kids remember.
Turn Your Optimized Budget Into a Real Plan
Budget optimized — now build the party around it. A free Party Genius plan takes your budget and creates themed activities, a menu, decorations, and a shopping list that fits. No surprises at checkout.
Build Within My BudgetRelated Tools
Estimate how much your entire party will cost by category.
🍕Food CalculatorCalculate exactly how much food to buy for your party.
📦Supply CalculatorCalculate plates, cups, napkins, and all supplies you need.
🎨Decoration CalculatorCalculate balloons, streamers, and decorations for your party.
✅Checklist GeneratorGet a complete party planning checklist with timelines.
🎮Game FinderFind the perfect party games for your age group and theme.